WO2015120667A1 - Electronic sparking apparatus and communication method therefor - Google Patents
Electronic sparking apparatus and communication method therefor Download PDFInfo
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- WO2015120667A1 WO2015120667A1 PCT/CN2014/077058 CN2014077058W WO2015120667A1 WO 2015120667 A1 WO2015120667 A1 WO 2015120667A1 CN 2014077058 W CN2014077058 W CN 2014077058W WO 2015120667 A1 WO2015120667 A1 WO 2015120667A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/78—Apparatus for connecting with wire connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
- H01L2224/7825—Means for applying energy, e.g. heating means
- H01L2224/78268—Discharge electrode
- H01L2224/78271—Circuitry of the discharge electrode
Definitions
- the present invention relates to an electronic ignition device and a communication method thereof, and more particularly to a fully automatic wire bonding machine Electronic ignition device and communication method thereof.
- the fully automatic wire bonding machine uses a wire (usually a gold wire, a copper wire, a silver wire or an alloy wire having a diameter of 25 micrometers and 50 micrometers) to connect the semiconductor chip pad to the metal frame pin to complete the chip.
- a wire usually a gold wire, a copper wire, a silver wire or an alloy wire having a diameter of 25 micrometers and 50 micrometers
- the semiconductor chip pad solder joint is called the first solder joint, and the ball soldering technology is used, that is, the metal wire tail is melted into a ball and then welded.
- the electronic ignition device is a process device for melting the metal wire into a ball.
- the electronic ignition device is based on the principle of air breakdown discharge and arc generation.
- the tail of the 'bonding' process is melted into a ball, which is accompanied by the presence of a high voltage electric field, air breakdown discharge, and sudden change of current, thereby generating strong electromagnetic Interference field.
- Electronic ignition devices are a very critical device in the wire bonding process.
- the difficulty in implementing serial communication in electronic ignition devices is that electronic ignition is based on 'heat generation after arc discharge'.
- the purpose of melting the metal wire tail into a ball in the process accompanied by 'high voltage required to break through the air', 'arc discharge', 'current abrupt change during air breakdown', and inevitably emit strong electromagnetic interference
- the signal forms a strong electromagnetic interference field.
- the serial signal is extremely susceptible to interference
- the electronic device is susceptible to interference and the operation is disordered, and the accuracy and non-volatility of the data are extremely difficult to guarantee; in addition, the electronic ignition device is completed in microsecond time. Correct
- the energy control of the whole process of metal wire tail melting into a ball has extremely high requirements on real-time performance. Under such conditions, the contradiction between real-time logic control and system intelligence exists objectively. Therefore, it is necessary to propose a technical means Serial communication is implemented in an electronic ignition device.
- the main object of the present invention is to provide an electronic ignition device and a communication method thereof, which are realized.
- Serial communication is realized in the electronic ignition device, which can greatly reduce the connection of data signals, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device.
- an electronic ignition device comprising:
- Serial communication interface connecting the host computer and the central data processing unit, Providing a serial communication connection interface for the user, which is an input interface for user data information and parameter configuration information;
- a central data processing unit for serial data reception and transmission, data analysis processing, data storage, and serial data to parallel data conversion, and latching the converted parallel data to the center through a parallel communication mechanism through a peripheral IO interface Logical control unit
- the central logic control unit provides real-time logic control, fault detection, current control, current stability monitoring and spherical monitoring for the ignition process, parallel data latching, data storage and parameter assignment in the parallel communication mechanism.
- serial communication interface uses a high speed optoelectronic isolation device to isolate the electrical connection of the electronic ignition device to the communication interface.
- serial communication interface uses a high frequency and large impedance ferrite device to isolate high frequency interference signal conduction in the communication line.
- the data enable signal data_en effectively enables the data receiving mechanism of the central logic control unit, the central data processing unit
- the address signal and the data signal are transmitted, and the data setting signal data_set is placed in an active state after the signal is stabilized for a period of time;
- the self-check result is compared with bcc0-bcc2. If the comparison successfully sets data_ready, the central logic control unit After receiving the data_ready signal, the previously latched data is moved to the storage unit, and the data_back state is changed, the data transfer is successful, and all signals are restored to the initial state; if the comparison is unsuccessful, the central data processing unit All signals are restored to an inactive state, the central logic control unit discards the latch information, and the central data processing unit replies with an error message to the upper computer.
- central data processing unit and the central power control unit have a working power reference and an electronic ignition circuit reference ground.
- the central data processing unit adopts AVR Microcontroller
- the central logic control unit uses Altera's programmable gate circuit.
- the electronic ignition device is applied to a fully automatic wire bonding machine.
- the present invention also provides a communication method of an electronic ignition device, comprising the following steps:
- Step one the host computer controller sends the parameter data information to the central data processing unit through the serial communication interface;
- Step 2 After receiving the data, the central data processing unit performs serial data verification, stores it after successful verification, and converts it into parallel data, and starts and centralizes at the same time. Parallel communication between logic control units;
- Step 3 the central logic control unit receives the parameter data and performs verification. If the data is correct, the data is saved, the electronic ignition device enters the ready state, and the communication status information is fed back to the central data processing unit;
- step four the central data processing unit feeds back the communication result to the upper computer controller through the serial communication interface.
- step 3 the central logic control unit performs latching after receiving the parameter data, and returns a check code; the central data processing unit verifies whether there is a bit error according to the check code. If it exists, the saved record is erased and the fault information is replied. If there is no error, the data received by the central logic control unit takes effect.
- an electronic ignition device and a communication method thereof pass The realization of serial communication in the electronic ignition device can greatly reduce the data signal connection, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device; meanwhile, the present invention adopts a central data processing unit And a central logic control unit, Overcoming the contradiction between real-time logic control and system intelligence; by configuring the working environment of the two microprocessors to float with the electromagnetic interference environment generated by electronic ignition, solving the difficulty of device operation disorder; and adopting 'high frequency
- the ultra-high-impedance ferrite magnetic device processes the serial communication signal loop to avoid high-frequency electromagnetic interference conduction between the electronic ignition device and the whole device, and effectively improves electromagnetic compatibility.
- FIG. 1 is a hardware structural diagram of an electronic ignition device according to the present invention.
- FIG. 2 is a schematic diagram showing the hardware structure and data transmission of a preferred embodiment of an electronic ignition device according to the present invention
- FIG. 3 is a timing diagram of communication between a central data processing unit and a central logic control unit in accordance with a preferred embodiment of an electronic ignition device of the present invention
- FIG. 4 is a flow chart showing the steps of a communication method of an electronic ignition device according to the present invention.
- FIG. 5 is a detailed flow chart of a preferred embodiment of a communication method of an electronic ignition device according to the present invention.
- FIG. 6 is a schematic diagram of an application scenario of an electronic ignition device according to the present invention.
- FIG. 1 is a hardware structural diagram of an electronic ignition device according to the present invention
- FIG. 2 The hardware structure and data transmission diagram of a preferred embodiment of an electronic ignition device of the present invention.
- an electronic ignition device of the present invention comprises: a serial communication interface 101.
- the serial communication interface 101 is connected to the upper computer and the central data processing unit 102. Provide serial communication connection interface for users, which is user data information and parameter configuration information input interface.
- serial communication interface 101 The high-speed optoelectronic isolation device is used to isolate the electrical connection between the electronic ignition device and the communication interface, and the serial communication mechanism is adopted.
- the adaptive device MAX3160 is the communication port core, and the 'RS232, RS422, RS485' communication mode is selected through configuration, and the high-frequency impedance is adopted. 'Ferrite devices, high-frequency interference signal transmission in isolated communication lines.
- the central data processing unit 102 is configured to implement functions such as serial data receiving and transmitting, data analysis processing, data storage, serial data to parallel data conversion, and the parallel data is locked by the 'parallel communication mechanism' through the device peripheral IO interface. It is stored in the central logic control unit 103.
- the central logic control unit 103 is a main control unit of the entire ignition process of the electronic ignition device, and provides real-time logic control, fault detection, current control, current stability monitoring, spherical monitoring and the like for the ignition process.
- Parallel data latching, RAM type memory pair data storage, and parameter allocation functions are implemented in the communication mechanism.
- FIG. 3 is a timing diagram of communication between a central data processing unit and a central logic control unit in accordance with a preferred embodiment of an electronic ignition device of the present invention.
- the parallel communication mechanism between the central data processing unit 102 and the central logic control unit 103 will be specifically described below with reference to Figs. 2 and 3.
- central data processing unit 102 Using the AVR microcontroller Mega16, the central logic control unit 103 uses Altera's programmable gate circuit EPM1270.
- the operating power reference of the AVR microcontroller Mega16 (central data processing unit 102) and the Altera company programmable gate circuit EPM1270 (central logic control unit 103) is equivalent to the electronic ignition circuit reference ground, so that the two main unit power supply environments follow the electronic
- the fire reference floats which can cancel the interference of the common mode component under strong electromagnetic interference, and can guarantee the working stability of the AVR microcontroller Mega16 (central data processing unit 102) and Altera's programmable gate circuit EPM1270 (central logic control unit 103).
- the parallel communication mechanism between the central data processing unit 102 (AVR microcontroller Mega16) and the central logic control unit 103 (Altera Corporation programmable gate circuit EPM1270) involves "data_en, data”. _set, data_load, data_back, data_ready, data0-data11, add0-add2, bcc0-bcc2" twenty-four signals. In the initial state, all signals are in an invalid state, and the data enable signal data_en is enabled to enable central logic control after communication starts.
- the central data processing unit Mega16 transports the address signals add0-add7 and the data signals data0-data11, delaying for a period of time (such as 1mS) to ensure that the data setting signal data_set is placed in an active state after the signal is stable, at this time, the central logic control unit
- the EPM1270 latches the address and data information, and performs XOR logical operations on the data 1-3 bits, data 4-6 bits, data 7-9 bits, data 10-12 bits, and addresses 1-3 bits.
- To bcc0- The bcc2 signal path is delayed by a period of time (such as 1mS) and the data_back is set.
- the central data processing unit Mega16 After receiving the data_back information, the central data processing unit Mega16 compares the verification result with bcc0-bcc2. If the comparison successfully sets data_ready, the central logic control After receiving the data_ready signal, the unit EPM1270 moves the previously latched data to the storage unit (RAM), and transitions the data_back state. The data transmission is successful, and all signals are restored to the initial state. If the unsuccessful central data processing unit Mega16 recovers all the signals, the signal recovery is invalid. State, the central logic control unit EPM1270 discards the latch information, and the central data processing unit Mega16 replies with an error message to the upper computer. It should be noted that in the communication process, the selection of the high and low levels of the signal active state is crucial.
- the validity of the communication handshake signals such as data_en, data_set, data_load, data_back, and data_ready are cross-configured to effectively avoid being affected. Differential mode component interference in a strong electromagnetic interference field can largely avoid misjudgment of data communication.
- a communication method of an electronic ignition device according to the present invention includes the following steps:
- Step 401 The host computer controller sends parameter data information to the central data processing unit through the serial communication interface.
- Step 402 After receiving the data, the central data processing unit performs serial data verification, stores the data after the verification is successful, and converts the data into parallel data, and simultaneously initiates parallel communication with the central logic control unit;
- Step 403 the central logic control unit receives the parameter data and performs verification. If the data is correct, the data is saved, the electronic ignition device enters the ready state, and the communication status information is fed back to the central data processing unit;
- Step 404 The central data processing unit feeds back the communication result to the upper computer controller through the serial communication interface.
- FIG. 5 is a detailed flow chart of a preferred embodiment of a communication method of an electronic ignition device according to the present invention.
- Central data processing unit uses AVR Microcontroller Mega16
- the central logic control unit uses Altera's programmable gate circuit EPM1270, as shown in Figure 5, the host computer controller sends serial parameter data information through the serial line; the microcontroller Mega16 receives serial data; Mega16 Check whether the received data has error code; if there is error, it will reply the error data. If there is no error, store the received serial data and perform serial-to-parallel data conversion to start with the central logic control unit EPM1270.
- the converted parallel data is sent to the central logic control unit EPM1270; the EPM1270 latches the data after receiving the parameter data, and returns the check code; the microcontroller Mega16 checks whether there is a bit error, if it exists, then wipes In addition to saving the record and replying to the fault message, if it does not exist, the EPM1270 data is valid.
- FIG. 6 is a schematic diagram of an application scenario of an electronic ignition device according to the present invention.
- the upper computer downloads the preset parameters to the bonding machine through the invention.
- the command is sent to the bonding machine by the upper computer through the invention, and the bonding machine control mechanism passes the fine metal wire through the ⁇ .
- the capillary tube and the electronic ignition device generate high voltage to cause the sparking terminal to generate an electric spark to melt the thin metal wire to the outside of the boring chamber. Under the surface tension, the molten metal solidifies to form a standard sphere, and the control mechanism lowers the boring tool.
- the first ball is pressed and the file is moved to the second bonding position by applying the appropriate pressure to the first solder joint and causing plastic deformation and atomic diffusion for a set time. Finishing the wedge-welding welding and pulling the tail line, raising the boring tool to break the tail end of the wedge-welding point under the action of the pulling force of the wire. During the bonding, the wire feeding mechanism is smoothly fed with the file movement under the control of the bonding machine. After the two solder joints are bonded, the disconnection detecting device operates to detect the bonding state and communicates with the host computer by the present invention, and then the file is raised to the height at which the ball is formed, and the next solder joint is prepared.
- the present invention relates to an electronic ignition device and a communication method thereof
- the realization of serial communication in the electronic ignition device can greatly reduce the data signal connection, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device; meanwhile, the present invention adopts a central data processing unit And a central logic control unit, Overcoming the contradiction between real-time logic control and system intelligence; by configuring the working environment of the two microprocessors to float with the electromagnetic interference environment generated by electronic ignition, solving the difficulty of device operation disorder; and adopting 'high frequency
- the ultra-high-impedance ferrite magnetic device processes the serial communication signal loop to avoid high-frequency electromagnetic interference conduction between the electronic ignition device and the whole device, and effectively improves electromagnetic compatibility.
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Abstract
An electronic sparking apparatus and a communication method therefor. The apparatus comprises a serial communication interface (101), a central data processing unit (102), and a central logic control unit (103). The serial communication interface (101) is connected to an upper machine and the central data processing unit (102), provides a serial communication connection interface to a user, and is an input interface of user data information and parameter configuration information. The central data processing unit (102) is used for receiving and sending serial data, analyzing and processing data, storing data and converting the serial data to parallel data, and latching the converted parallel data into the central logic control unit (103) through a peripheral IO interface by means of a parallel communication mechanism. The central logic control unit (103) provides real-time logic control, fault detection, current control, current stability monitoring and spherical monitoring for a sparking process, and implements parallel data latching, data storage and parameter distribution in the parallel communication mechanism. The apparatus and the method therefor can greatly reduce data signal connections and reduce possible electromagnetic interference conduction paths, thereby and reducing the probability of data errors and improving the electromagnetic compatibility of the whole device.
Description
技术领域 Technical field
本发明涉及一种 电子打火装置及其通信方法 ， 特别 是涉及一种用于 全自动引线键合机的
电子打火装置及其通信方法。 The present invention relates to an electronic ignition device and a communication method thereof, and more particularly to a fully automatic wire bonding machine
Electronic ignition device and communication method thereof.
背景技术 Background technique
全自动引线键合机是采用金属丝（一般采用直径在25微米50微米之间的金线、铜线、银线或合金线）将半导体芯片焊盘与金属框架引脚连接起来，从而完成芯片'键合'后的封装工艺。此过程中半导体芯片焊盘焊接点称为第一焊点，采用球焊技术，即，将金属丝线尾烧熔成球后进行焊接
， 而电子打火装置即为金属丝线尾烧熔成球过程设备。
The fully automatic wire bonding machine uses a wire (usually a gold wire, a copper wire, a silver wire or an alloy wire having a diameter of 25 micrometers and 50 micrometers) to connect the semiconductor chip pad to the metal frame pin to complete the chip. The packaging process after 'bonding'. In this process, the semiconductor chip pad solder joint is called the first solder joint, and the ball soldering technology is used, that is, the metal wire tail is melted into a ball and then welded.
The electronic ignition device is a process device for melting the metal wire into a ball.
电子打火装置是基于空气击穿放电并产生电弧的原理，将'键合'过程中线尾融化成球，此过程中伴随着高压电场、空气击穿放电、电流突变的存在，从而产生强电磁干扰场。电子打火装置作为引线键合工艺中非常关键的设备，目前世界上仅有几家可提供电子打火装置的公司，而到目前为止未使用串行数据通信机制电子打火装置。
The electronic ignition device is based on the principle of air breakdown discharge and arc generation. The tail of the 'bonding' process is melted into a ball, which is accompanied by the presence of a high voltage electric field, air breakdown discharge, and sudden change of current, thereby generating strong electromagnetic Interference field. Electronic ignition devices are a very critical device in the wire bonding process. Currently, there are only a few companies in the world that can provide electronic ignition devices, and so far no serial data communication mechanism electronic ignition devices have been used.
在电子打火装置中实现串行通信的难点在于：电子打火是基于'电弧放电后产生热量'实现'
既将金属丝线尾烧熔成球'目的，在此过程中伴随着'击穿空气所需高电压'、'电弧放电'、'空气击穿过程中电流突变'发生，而必然发射强电磁干扰信号，形成一个强电磁干扰场。
在这种环境下，串行信号极易受到干扰，电子器件易受到干扰而工作紊乱，数据的准确性和非易失性极难保障；另外，电子打火装置在微秒级的时间内完成对
金属丝线尾烧熔成球整个过程的能量控制，对实时性要求极高，在这样的条件下，实时性逻辑控制与系统智能性矛盾客观存在。因此，实有必要提出一种技术手段
在电子打火装置中实现串行通信。 The difficulty in implementing serial communication in electronic ignition devices is that electronic ignition is based on 'heat generation after arc discharge'.
The purpose of melting the metal wire tail into a ball, in the process accompanied by 'high voltage required to break through the air', 'arc discharge', 'current abrupt change during air breakdown', and inevitably emit strong electromagnetic interference The signal forms a strong electromagnetic interference field.
In this environment, the serial signal is extremely susceptible to interference, the electronic device is susceptible to interference and the operation is disordered, and the accuracy and non-volatility of the data are extremely difficult to guarantee; in addition, the electronic ignition device is completed in microsecond time. Correct
The energy control of the whole process of metal wire tail melting into a ball has extremely high requirements on real-time performance. Under such conditions, the contradiction between real-time logic control and system intelligence exists objectively. Therefore, it is necessary to propose a technical means
Serial communication is implemented in an electronic ignition device.
发明内容 Summary of the invention
为克服上述现有技术存在的不足，本发明之主要目的在于提供一种电子打火装置及其通信方法，实现了
在电子打火装置中实现串行通信，其可大幅度减少数据信号连接，减少电磁干扰可能传导通路，降低了数据错误几率，提高设备整体的电磁兼容性 。 In order to overcome the deficiencies of the prior art described above, the main object of the present invention is to provide an electronic ignition device and a communication method thereof, which are realized.
Serial communication is realized in the electronic ignition device, which can greatly reduce the connection of data signals, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device.
为达上述及其它目的，本发明提出 一种电子打火装置，包括： To achieve the above and other objects, the present invention provides an electronic ignition device comprising:
串行通信接口，连接上位机与中央数据处理单元，
为用户提供串行通信连接接口，是用户数据信息、参数配置信息的输入接口； Serial communication interface, connecting the host computer and the central data processing unit,
Providing a serial communication connection interface for the user, which is an input interface for user data information and parameter configuration information;
中央数据处理单元，用于实现串行数据接收与发送、数据分析处理、数据存储以及串行数据到并行数据转换，并通过外设IO接口将转化后的并行数据通过并行通信机制锁存到中央逻辑控制单元；
A central data processing unit for serial data reception and transmission, data analysis processing, data storage, and serial data to parallel data conversion, and latching the converted parallel data to the center through a parallel communication mechanism through a peripheral IO interface Logical control unit
中央逻辑控制单元，为打火过程提供实时的逻辑控制、故障检测、电流控制、电流稳定性监控及球形监控，在并行通信机制中实现并行数据锁存、对数据存储及参数分配。
The central logic control unit provides real-time logic control, fault detection, current control, current stability monitoring and spherical monitoring for the ignition process, parallel data latching, data storage and parameter assignment in the parallel communication mechanism.
进一步地，该串行通信接口 采用高速光电隔离器件隔离该电子打火装置与通信接口的电气连接。 Further, the serial communication interface uses a high speed optoelectronic isolation device to isolate the electrical connection of the electronic ignition device to the communication interface.
进一步地，该串行通信接口 采用高频大阻抗铁氧体器件，隔离通信线路中的高频干扰信号传导。 Further, the serial communication interface uses a high frequency and large impedance ferrite device to isolate high frequency interference signal conduction in the communication line.
进一步地，该并行通信机制为： Further, the parallel communication mechanism is:
初始状态下该中央数据处理单元与该中央逻辑控制单元间的所有信号处于无效状态； In the initial state, all signals between the central data processing unit and the central logic control unit are in an inactive state;
通信开始后数据使能信号data_en有效使能该 中央逻辑控制单元的 数据接收机制，该 中央数据处理单元
输送地址信号与数据信号，延迟一段时间保障信号稳定后数据设置信号data_set置于有效状态； After the communication starts, the data enable signal data_en effectively enables the data receiving mechanism of the central logic control unit, the central data processing unit
The address signal and the data signal are transmitted, and the data setting signal data_set is placed in an active state after the signal is stabilized for a period of time;
该 中央逻辑控制单元
锁存地址和数据信息，并将数据1-3位、数据4-6位、数据7-9位、数据10-12位、地址1-3位按位进行异或逻辑运算并将结果输送到bcc0-
bcc2信号通路，延迟一段时间后置位data_back； Central logic control unit
The address and data information are latched, and the data 1-3 bits, data 4-6 bits, data 7-9 bits, data 10-12 bits, address 1-3 bits are XORed by bit and the result is sent to Bcc0-
Bcc2 signal path, after a delay, set data_back;
该 中央数据处理单元
接收到data_back信息后将本身校验结果与bcc0-bcc2进行比对，如比对成功置位data_ready，该 中央逻辑控制单元
接到data_ready信号后将之前锁存数据移至存储单元，并转变data_back状态，数据传送成功，所有信号恢复初始状态；如比对不成功该 中央数据处理单元
将所有信号恢复无效状态，该 中央逻辑控制单元 抛弃锁存信息，该 中央数据处理单元 向上位机回复错误信息。 Central data processing unit
After receiving the data_back information, the self-check result is compared with bcc0-bcc2. If the comparison successfully sets data_ready, the central logic control unit
After receiving the data_ready signal, the previously latched data is moved to the storage unit, and the data_back state is changed, the data transfer is successful, and all signals are restored to the initial state; if the comparison is unsuccessful, the central data processing unit
All signals are restored to an inactive state, the central logic control unit discards the latch information, and the central data processing unit replies with an error message to the upper computer.
进一步地，该 中央数据处理单元与该中央逻辑控制单元的工作电源基准与电子打火回路基准地等同。 Further, the central data processing unit and the central power control unit have a working power reference and an electronic ignition circuit reference ground.
进一步地，该中央数据处理单元采用 AVR
微控制器，该中央逻辑控制单元采用Altera公司的可编程门电路。 Further, the central data processing unit adopts AVR
Microcontroller, the central logic control unit uses Altera's programmable gate circuit.
进一步地，该电子打火装置应用于 全自动引线键合机。 Further, the electronic ignition device is applied to a fully automatic wire bonding machine.
为达到上述目的，本发明还提供一种电子打火装置的通信方法，包括如下步骤： In order to achieve the above object, the present invention also provides a communication method of an electronic ignition device, comprising the following steps:
步骤一，上位机控制器通过串行通信接口向中央数据处理单元发送参数数据信息； Step one, the host computer controller sends the parameter data information to the central data processing unit through the serial communication interface;
步骤二，中央数据处理单元接收到数据后，进行串行数据校验，于校验成功后存储，并转化为并行数据，同时启动与中央
逻辑控制单元 间的并行通信； Step 2: After receiving the data, the central data processing unit performs serial data verification, stores it after successful verification, and converts it into parallel data, and starts and centralizes at the same time.
Parallel communication between logic control units;
步骤三，该中央逻辑控制单元接收到参数数据后进行校验，如数据无误则保存数据，电子打火装置进入就绪状态，并将通信状态信息反馈给该中央数据处理单元；
Step 3, the central logic control unit receives the parameter data and performs verification. If the data is correct, the data is saved, the electronic ignition device enters the ready state, and the communication status information is fed back to the central data processing unit;
步骤四，该中央数据处理单元通过串行通信接口将通信结果反馈给该上位机控制器。 In step four, the central data processing unit feeds back the communication result to the upper computer controller through the serial communication interface.
进一步地，于步骤三中，该中央逻辑控制单元接收到参数数据后进行锁存，并回馈校验码；该中央数据处理单元根据校验码校验是否存在误码，
若存在，则擦除保存记录，并进行故障信息回复， 若不存在误码，则该中央逻辑控制单元接收的数据生效。
Further, in step 3, the central logic control unit performs latching after receiving the parameter data, and returns a check code; the central data processing unit verifies whether there is a bit error according to the check code.
If it exists, the saved record is erased and the fault information is replied. If there is no error, the data received by the central logic control unit takes effect.
与现有技术相比， 本发明一种电子打火装置及其通信方法通过
在电子打火装置中实现串行通信，可大幅度减少数据信号连接，减少电磁干扰可能传导通路，降低了数据错误几率，提高设备整体的电磁兼容性；同时，本发明通过采用中央数据处理单元及中央逻辑控制单元，
克服了实时性逻辑控制与系统智能性间的矛盾；通过配置两种微处理器的工作环境随电子打火产生的电磁干扰环境整体浮动，解决了器件工作紊乱的难点；并通过采用'高频率下超高阻抗'的铁氧体磁性器件对串行通信信号回路进行处理，避免电子打火装置与整机设备间的高频电磁干扰传导，有效的提高了电磁兼容性。 Compared with the prior art, an electronic ignition device and a communication method thereof according to the present invention pass
The realization of serial communication in the electronic ignition device can greatly reduce the data signal connection, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device; meanwhile, the present invention adopts a central data processing unit And a central logic control unit,
Overcoming the contradiction between real-time logic control and system intelligence; by configuring the working environment of the two microprocessors to float with the electromagnetic interference environment generated by electronic ignition, solving the difficulty of device operation disorder; and adopting 'high frequency The ultra-high-impedance ferrite magnetic device processes the serial communication signal loop to avoid high-frequency electromagnetic interference conduction between the electronic ignition device and the whole device, and effectively improves electromagnetic compatibility.
附图说明 DRAWINGS
图 1 为本发明一种电子打火装置的硬件结构图； 1 is a hardware structural diagram of an electronic ignition device according to the present invention;
图 2 为本发明一种电子打火装置之较佳实施例的硬件结构及数据传输示意图； 2 is a schematic diagram showing the hardware structure and data transmission of a preferred embodiment of an electronic ignition device according to the present invention;
图 3 为本发明一种电子打火装置之较佳实施例的 中央数据处理单元与中央逻辑控制单元间的通信时序图
； 3 is a timing diagram of communication between a central data processing unit and a central logic control unit in accordance with a preferred embodiment of an electronic ignition device of the present invention;
;
图4为本发明一种电子打火装置的通信方法的步骤流程图 ； 4 is a flow chart showing the steps of a communication method of an electronic ignition device according to the present invention;
图5为本发明一种电子打火装置的通信方法之较佳实施例的细部流程图 ； 5 is a detailed flow chart of a preferred embodiment of a communication method of an electronic ignition device according to the present invention;
图6为本发明一种电子打火装置应用场景示意图。 FIG. 6 is a schematic diagram of an application scenario of an electronic ignition device according to the present invention.
具体实施方式 detailed description
以下通过特定的具体实例并结合附图说明本发明的实施方式，本领域技术人员可由本说明书所揭示的内容轻易地了解本发明的其它优点与功效。本发明亦可通过其它不同的具体实例加以施行或应用，本说明书中的各项细节亦可基于不同观点与应用，在不背离本发明的精神下进行各种修饰与变更。
The embodiments of the present invention will be described by way of specific examples and the accompanying drawings, and those skilled in the art can readily understand the advantages and advantages of the present invention. The present invention may be embodied or applied in various other specific embodiments, and various modifications and changes may be made without departing from the spirit and scope of the invention.
图 1 为本发明一种电子打火装置的硬件结构图，图 2
为本发明一种电子打火装置之较佳实施例的硬件结构及数据传输示意图。如图 1 及图 2 所示，本发明一种电子打火装置，包括：串行通信接口 101
、中央数据处理单元 102 以及中央逻辑控制单元 103 。 1 is a hardware structural diagram of an electronic ignition device according to the present invention, FIG. 2
The hardware structure and data transmission diagram of a preferred embodiment of an electronic ignition device of the present invention. As shown in FIG. 1 and FIG. 2, an electronic ignition device of the present invention comprises: a serial communication interface 101.
The central data processing unit 102 and the central logic control unit 103.
其中，串行通信接口 101 ，连接上位机与中央数据处理单元 102 ，
为用户提供串行通信连接接口，是用户数据信息、参数配置信息输入接口。在本发明较佳实施例中， 串行通信接口 101
采用高速光电隔离器件隔离电子打火装置与通信接口的电气连接，采用串行通信机制适应性器件MAX3160为通信端口核心，通过配置选择'RS232、RS422、RS485'通信模式，采用'高频大阻抗'铁氧体器件，隔离通信线路中的高频干扰信号传导。 The serial communication interface 101 is connected to the upper computer and the central data processing unit 102.
Provide serial communication connection interface for users, which is user data information and parameter configuration information input interface. In a preferred embodiment of the invention, serial communication interface 101
The high-speed optoelectronic isolation device is used to isolate the electrical connection between the electronic ignition device and the communication interface, and the serial communication mechanism is adopted. The adaptive device MAX3160 is the communication port core, and the 'RS232, RS422, RS485' communication mode is selected through configuration, and the high-frequency impedance is adopted. 'Ferrite devices, high-frequency interference signal transmission in isolated communication lines.
中央数据处理单元102，用于实现串行数据接收与发送、数据分析处理、数据存储、串行数据到并行数据转换等功能，并通过器件外设IO接口将并行数据通过'并行通信机制'锁存到以中央逻辑控制单元103。
The central data processing unit 102 is configured to implement functions such as serial data receiving and transmitting, data analysis processing, data storage, serial data to parallel data conversion, and the parallel data is locked by the 'parallel communication mechanism' through the device peripheral IO interface. It is stored in the central logic control unit 103.
中央逻辑控制单元103，为电子打火装置整个打火过程的主控单元，为打火过程提供实时的逻辑控制、故障检测、电流控制、电流稳定性监控、球形监控等功能。在通信机制中实现并行数据锁存、RAM型存储器对数据存储、参数分配功能。
The central logic control unit 103 is a main control unit of the entire ignition process of the electronic ignition device, and provides real-time logic control, fault detection, current control, current stability monitoring, spherical monitoring and the like for the ignition process. Parallel data latching, RAM type memory pair data storage, and parameter allocation functions are implemented in the communication mechanism.
图 3 为本发明一种电子打火装置之较佳实施例的 中央数据处理单元与中央逻辑控制单元间的通信时序图。
以下将配合图 2 及图 3 具体介绍中央数据处理单元 102 与中央逻辑控制单元 103 间的并行通信机制。在本发明较佳实施例中，中央数据处理单元 102
采用 AVR 微控制器Mega16，中央逻辑控制单元103采用Altera公司可编程门电路EPM1270，
AVR微控制器Mega16（中央数据处理单元102）与Altera公司可编程门电路EPM1270（中央逻辑控制单元103）的工作电源基准与电子打火回路基准地等同，这样两个主要单元电源环境跟随电子打火基准浮动，这样可抵消强电磁干扰下共模分量的干扰，可保障AVR微控制器Mega16（中央数据处理单元102）与Altera公司可编程门电路EPM1270（中央逻辑控制单元103）的工作稳定性。
3 is a timing diagram of communication between a central data processing unit and a central logic control unit in accordance with a preferred embodiment of an electronic ignition device of the present invention.
The parallel communication mechanism between the central data processing unit 102 and the central logic control unit 103 will be specifically described below with reference to Figs. 2 and 3. In a preferred embodiment of the invention, central data processing unit 102
Using the AVR microcontroller Mega16, the central logic control unit 103 uses Altera's programmable gate circuit EPM1270.
The operating power reference of the AVR microcontroller Mega16 (central data processing unit 102) and the Altera company programmable gate circuit EPM1270 (central logic control unit 103) is equivalent to the electronic ignition circuit reference ground, so that the two main unit power supply environments follow the electronic The fire reference floats, which can cancel the interference of the common mode component under strong electromagnetic interference, and can guarantee the working stability of the AVR microcontroller Mega16 (central data processing unit 102) and Altera's programmable gate circuit EPM1270 (central logic control unit 103). .
在本发明较佳实施例中，中央数据处理单元102（AVR微控制器Mega16）与中央逻辑控制单元103（Altera公司可编程门电路EPM1270）间的并行通信机制中涉及到“data_en、data
_set、data_load、data_back、data_ready、data0-data11、add0-add2、bcc0-bcc2”二十四路信号组成。初始状态下所有信号处于无效状态，通信开始后数据使能信号data_en有效使能中央逻辑控制单元EPM1270数据接收机制，中央数据处理单元Mega16输送地址信号add0-add7与数据信号data0-data11，延迟一段时间（如1mS）保障信号稳定后数据设置信号data_set置于有效状态，此时中央逻辑控制单元EPM1270锁存地址和数据信息，并将数据1-3位、数据4-6位、数据7-9位、数据10-12位、地址1-3位按位进行异或逻辑运算并将结果输送到bcc0-
bcc2信号通路，延迟一段时间（如1mS）后置位data_back，中央数据处理单元Mega16接收到data_back信息后将本身校验结果与bcc0-bcc2进行比对，如比对成功置位data_ready，中央逻辑控制单元EPM1270接到data_ready信号后将之前锁存数据移至存储单元（RAM），并转变data_back状态，数据传送成功，所有信号恢复初始状态，如比对不成功中央数据处理单元Mega16将所有信号恢复无效状态，中央逻辑控制单元EPM1270抛弃锁存信息，中央数据处理单元Mega16向上位机回复错误信息。应该来说，通信过程中对于信号有效状态高低电平的选择至关重要，本发明较佳实施例中交叉设定data_en、data_set、data_load、data_back、data_ready等通信握手信号之有效性，有效避免受到强电磁干扰场中差模分量干扰，可很大程度上避免数据通信误判断。In the preferred embodiment of the present invention, the parallel communication mechanism between the central data processing unit 102 (AVR microcontroller Mega16) and the central logic control unit 103 (Altera Corporation programmable gate circuit EPM1270) involves "data_en, data".
_set, data_load, data_back, data_ready, data0-data11, add0-add2, bcc0-bcc2" twenty-four signals. In the initial state, all signals are in an invalid state, and the data enable signal data_en is enabled to enable central logic control after communication starts. Unit EPM1270 data receiving mechanism, the central data processing unit Mega16 transports the address signals add0-add7 and the data signals data0-data11, delaying for a period of time (such as 1mS) to ensure that the data setting signal data_set is placed in an active state after the signal is stable, at this time, the central logic control unit The EPM1270 latches the address and data information, and performs XOR logical operations on the data 1-3 bits, data 4-6 bits, data 7-9 bits, data 10-12 bits, and addresses 1-3 bits. To bcc0-
The bcc2 signal path is delayed by a period of time (such as 1mS) and the data_back is set. After receiving the data_back information, the central data processing unit Mega16 compares the verification result with bcc0-bcc2. If the comparison successfully sets data_ready, the central logic control After receiving the data_ready signal, the unit EPM1270 moves the previously latched data to the storage unit (RAM), and transitions the data_back state. The data transmission is successful, and all signals are restored to the initial state. If the unsuccessful central data processing unit Mega16 recovers all the signals, the signal recovery is invalid. State, the central logic control unit EPM1270 discards the latch information, and the central data processing unit Mega16 replies with an error message to the upper computer. It should be noted that in the communication process, the selection of the high and low levels of the signal active state is crucial. In the preferred embodiment of the present invention, the validity of the communication handshake signals such as data_en, data_set, data_load, data_back, and data_ready are cross-configured to effectively avoid being affected. Differential mode component interference in a strong electromagnetic interference field can largely avoid misjudgment of data communication.
图4为本发明一种电子打火装置的通信方法的步骤流程图。如图4所示，本发明一种电子打火装置的通信方法,包括如下步骤：
4 is a flow chart showing the steps of a communication method of an electronic ignition device according to the present invention. As shown in FIG. 4, a communication method of an electronic ignition device according to the present invention includes the following steps:
步骤401，上位机控制器通过串行通信接口向中央数据处理单元发送参数数据信息； Step 401: The host computer controller sends parameter data information to the central data processing unit through the serial communication interface.
步骤402，中央数据处理单元接收到数据后，进行串行数据校验，于校验成功后存储，并转化为并行数据，同时启动与中央 逻辑控制单元 间的并行通信；
Step 402: After receiving the data, the central data processing unit performs serial data verification, stores the data after the verification is successful, and converts the data into parallel data, and simultaneously initiates parallel communication with the central logic control unit;
步骤403，中央逻辑控制单元接收到参数数据后进行校验，如数据无误则保存数据，电子打火装置进入就绪状态，并将通信状态信息反馈给中央数据处理单元；
Step 403, the central logic control unit receives the parameter data and performs verification. If the data is correct, the data is saved, the electronic ignition device enters the ready state, and the communication status information is fed back to the central data processing unit;
步骤404，中央数据处理单元通过串行通信接口将通信结果反馈给上位机控制器。 Step 404: The central data processing unit feeds back the communication result to the upper computer controller through the serial communication interface.
图5为本发明一种电子打火装置的通信方法之较佳实施例的细部流程图。在本发明较佳实施例中，
中央数据处理单元采用 AVR
微控制器Mega16，中央逻辑控制单元采用Altera公司可编程门电路EPM1270，如图5所示，上位机控制器通过串行线路发送串行的参数数据信息；微控制器Mega16接收串行数据；Mega16校验接收的数据是否存在误码；若存在误码，则进行错误数据回复，若不存在误码，则将接收的串行数据进行存储并进行串并数据转换，启动与中央逻辑控制单元EPM1270的并行通信，将转化后的并行数据发送给中央逻辑控制单元EPM1270；EPM1270接收到参数数据后锁存数据，并回馈校验码；微控制器Mega16校验是否存在误码，若存在，则擦除保存记录，并进行故障信息回复，若不存在，则EPM1270数据生效。 FIG. 5 is a detailed flow chart of a preferred embodiment of a communication method of an electronic ignition device according to the present invention. In a preferred embodiment of the invention,
Central data processing unit uses AVR
Microcontroller Mega16, the central logic control unit uses Altera's programmable gate circuit EPM1270, as shown in Figure 5, the host computer controller sends serial parameter data information through the serial line; the microcontroller Mega16 receives serial data; Mega16 Check whether the received data has error code; if there is error, it will reply the error data. If there is no error, store the received serial data and perform serial-to-parallel data conversion to start with the central logic control unit EPM1270. Parallel communication, the converted parallel data is sent to the central logic control unit EPM1270; the EPM1270 latches the data after receiving the parameter data, and returns the check code; the microcontroller Mega16 checks whether there is a bit error, if it exists, then wipes In addition to saving the record and replying to the fault message, if it does not exist, the EPM1270 data is valid.
图6为本发明一种电子打火装置应用场景示意图。启动时上位机将预设参数通过本发明下载至键合机，开始键合作业时，命令由上位机通过本发明下发至键合机，键合机控制机构将细金属丝丝穿过劈刀毛细管，电子打火装置产生高压使打火终端产生电火花高温融化细金属丝伸出到劈刀腔体外的部分，在表面张力作用下熔融金属凝固形成标准的球形，控制机构降下劈刀，由劈刀施加适当的压力在设定好的时间内将金球压在第一焊点上并使其发生塑性变形及原子扩散，完成第一次键合，劈刀运动到第二键合位置，完成阵脚式楔焊焊接和拉尾线，抬高劈刀使楔焊点尾端在线夹拉力作用下断裂，键合期间，送线机构在键合机控制下配合劈刀运动平稳送线，两焊点键合后，断线检测装置工作检测键合状态并利用本发明与上位机通信，紧接着劈刀上升到形成球的高度，准备下一焊点焊接。
FIG. 6 is a schematic diagram of an application scenario of an electronic ignition device according to the present invention. When starting, the upper computer downloads the preset parameters to the bonding machine through the invention. When the key cooperation is started, the command is sent to the bonding machine by the upper computer through the invention, and the bonding machine control mechanism passes the fine metal wire through the 劈. The capillary tube and the electronic ignition device generate high voltage to cause the sparking terminal to generate an electric spark to melt the thin metal wire to the outside of the boring chamber. Under the surface tension, the molten metal solidifies to form a standard sphere, and the control mechanism lowers the boring tool. The first ball is pressed and the file is moved to the second bonding position by applying the appropriate pressure to the first solder joint and causing plastic deformation and atomic diffusion for a set time. Finishing the wedge-welding welding and pulling the tail line, raising the boring tool to break the tail end of the wedge-welding point under the action of the pulling force of the wire. During the bonding, the wire feeding mechanism is smoothly fed with the file movement under the control of the bonding machine. After the two solder joints are bonded, the disconnection detecting device operates to detect the bonding state and communicates with the host computer by the present invention, and then the file is raised to the height at which the ball is formed, and the next solder joint is prepared.
综上所述，本发明一种电子打火装置及其通信方法通过
在电子打火装置中实现串行通信，可大幅度减少数据信号连接，减少电磁干扰可能传导通路，降低了数据错误几率，提高设备整体的电磁兼容性；同时，本发明通过采用中央数据处理单元及中央逻辑控制单元，
克服了实时性逻辑控制与系统智能性间的矛盾；通过配置两种微处理器的工作环境随电子打火产生的电磁干扰环境整体浮动，解决了器件工作紊乱的难点；并通过采用'高频率下超高阻抗'的铁氧体磁性器件对串行通信信号回路进行处理，避免电子打火装置与整机设备间的高频电磁干扰传导，有效的提高了电磁兼容性。 In summary, the present invention relates to an electronic ignition device and a communication method thereof
The realization of serial communication in the electronic ignition device can greatly reduce the data signal connection, reduce the possible conduction path of electromagnetic interference, reduce the probability of data errors, and improve the electromagnetic compatibility of the whole device; meanwhile, the present invention adopts a central data processing unit And a central logic control unit,
Overcoming the contradiction between real-time logic control and system intelligence; by configuring the working environment of the two microprocessors to float with the electromagnetic interference environment generated by electronic ignition, solving the difficulty of device operation disorder; and adopting 'high frequency The ultra-high-impedance ferrite magnetic device processes the serial communication signal loop to avoid high-frequency electromagnetic interference conduction between the electronic ignition device and the whole device, and effectively improves electromagnetic compatibility.
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何本领域技术人员均可在不违背本发明的精神及范畴下，对上述实施例进行修饰与改变。因此，本发明的权利保护范围，应如权利要求书所列。
The above-described embodiments are merely illustrative of the principles of the invention and its effects, and are not intended to limit the invention. Modifications and variations of the above-described embodiments can be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of protection of the invention should be as set forth in the claims.
Claims (9)
- 一种电子打火装置，包括： An electronic ignition device includes:串行通信接口，连接上位机与中央数据处理单元， 为用户提供串行通信连接接口，是用户数据信息、参数配置信息的输入接口；Serial communication interface, connecting the host computer and the central data processing unit, Providing a serial communication connection interface for the user, which is an input interface for user data information and parameter configuration information;中央数据处理单元，用于实现串行数据接收与发送、数据分析处理、数据存储以及串行数据到并行数据转换，并通过外设IO接口将转化后的并行数据通过并行通信机制锁存到中央逻辑控制单元；A central data processing unit for serial data reception and transmission, data analysis processing, data storage, and serial data to parallel data conversion, and latching the converted parallel data to the center through a parallel communication mechanism through a peripheral IO interface Logical control unit中央逻辑控制单元，为打火过程提供实时的逻辑控制、故障检测、电流控制、电流稳定性监控及球形监控，在并行通信机制中实现并行数据锁存、对数据存储及参数分配。 The central logic control unit provides real-time logic control, fault detection, current control, current stability monitoring and spherical monitoring for the ignition process, parallel data latching, data storage and parameter assignment in the parallel communication mechanism.
- 如权利要求1所述的一种电子打火装置，其特征在于：该串行通信接口采用高速光电隔离器件隔离该电子打火装置与通信接口的电气连接。The electronic ignition device of claim 1 wherein the serial communication interface uses a high speed optoelectronic isolation device to isolate the electrical connection of the electronic ignition device to the communication interface.
- 如权利要求2所述的一种电子打火装置，其特征在于：该串行通信接口采用高频大阻抗铁氧体器件，隔离通信线路中的高频干扰信号传导。An electronic ignition device according to claim 2, wherein the serial communication interface uses a high frequency and large impedance ferrite device to isolate high frequency interference signal conduction in the communication line.
- 权利要求1所述的一种电子打火装置，其特征在于，该并行通信机制为：An electronic ignition device according to claim 1, wherein the parallel communication mechanism is:初始状态下该中央数据处理单元与该中央逻辑控制单元间的所有信号处于无效状态；In the initial state, all signals between the central data processing unit and the central logic control unit are in an inactive state;通信开始后数据使能信号data_en有效使能该中央逻辑控制单元的数据接收机制，该中央数据处理单元输送地址信号与数据信号，延迟一段时间保障信号稳定后数据设置信号data_set置于有效状态；After the communication starts, the data enable signal data_en effectively enables the data receiving mechanism of the central logic control unit, and the central data processing unit transmits the address signal and the data signal, and the data setting signal data_set is placed in an active state after the signal is stabilized for a period of time;该中央逻辑控制单元锁存地址和数据信息，并将数据1-3位、数据4-6位、数据7-9位、数据10-12位、地址1-3位按位进行异或逻辑运算并将结果输送到bcc0- bcc2信号通路，延迟一段时间后置位data_back；The central logic control unit latches the address and data information, and performs exclusive OR operation on the data 1-3 bits, data 4-6 bits, data 7-9 bits, data 10-12 bits, and address 1-3 bits. And deliver the result to bcc0- Bcc2 signal path, after a delay, set data_back;该中央数据处理单元接收到data_back信息后将本身校验结果与bcc0-bcc2进行比对，如比对成功则置位data_ready，该中央逻辑控制单元接到data_ready信号后将之前锁存数据移至存储单元，并转变data_back状态，数据传送成功，所有信号恢复初始状态；如比对不成功则该中央数据处理单元将所有信号恢复无效状态，该中央逻辑控制单元抛弃锁存信息，该中央数据处理单元向上位机回复错误信息。After receiving the data_back information, the central data processing unit compares the self-check result with bcc0-bcc2, and if the comparison succeeds, sets data_ready, and the central logic control unit moves the previously latched data to the storage after receiving the data_ready signal. Unit, and transition data_back state, data transmission is successful, all signals are restored to the initial state; if the comparison is unsuccessful, the central data processing unit restores all signals to an invalid state, and the central logic control unit discards the latch information, the central data processing unit Answer the error message to the host computer.
- 如权利要求1所述的一种电子打火装置，其特征在于：该中央数据处理单元与该中央逻辑控制单元的工作电源基准与电子打火回路基准地等同。An electronic ignition device according to claim 1, wherein the central data processing unit and the central power control unit have a working power reference and an electronic ignition circuit reference ground.
- 如权利要求1所述的一种电子打火装置，其特征在于：该中央数据处理单元采用AVR微控制器，该中央逻辑控制单元采用Altera公司的可编程门电路。An electronic ignition device according to claim 1, wherein the central data processing unit employs an AVR microcontroller, and the central logic control unit employs a programmable gate circuit of Altera Corporation.
- 如权利要求1所述的一种电子打火装置，其特征在于：该电子打火装置应用于全自动引线键合机。An electronic ignition device according to claim 1, wherein the electronic ignition device is applied to a fully automatic wire bonding machine.
- 种电子打火装置的通信方法，包括如下步骤：The communication method of the electronic ignition device includes the following steps:步骤一，上位机控制器通过串行通信接口向中央数据处理单元发送参数数据信息；Step one, the host computer controller sends the parameter data information to the central data processing unit through the serial communication interface;步骤二，中央数据处理单元接收到数据后，进行串行数据校验，于校验成功后存储，并转化为并行数据，同时启动与中央逻辑控制单元间的并行通信；Step 2: After receiving the data, the central data processing unit performs serial data verification, stores the data after the verification is successful, and converts it into parallel data, and simultaneously initiates parallel communication with the central logic control unit;步骤三，该中央逻辑控制单元接收到参数数据后进行校验，如数据无误则保存数据，电子打火装置进入就绪状态，并将通信状态信息反馈给该中央数据处理单元；Step 3, the central logic control unit receives the parameter data and performs verification. If the data is correct, the data is saved, the electronic ignition device enters the ready state, and the communication status information is fed back to the central data processing unit;步骤四，该中央数据处理单元通过串行通信接口将通信结果反馈给该上位机控制器。In step four, the central data processing unit feeds back the communication result to the upper computer controller through the serial communication interface.
- 权利要求8所述的一种电子打火装置的通信方法，其特征在于：于步骤三中，该中央逻辑控制单元接收到参数数据后进行锁存，并回馈校验码；该中央数据处理单元根据校验码校验是否存在误码，若存在，则擦除保存记录，并进行故障信息回复，若不存在误码，则该中央逻辑控制单元接收的数据生效。The communication method of an electronic ignition device according to claim 8, wherein in the third step, the central logic control unit receives the parameter data, performs latching, and returns a check code; the central data processing unit Check whether there is a bit error according to the check code. If it exists, erase the save record and reply the fault information. If there is no error code, the data received by the central logic control unit takes effect.
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