CN203658990U - Debugging device for central processing unit - Google Patents
Debugging device for central processing unit Download PDFInfo
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- CN203658990U CN203658990U CN201320778462.7U CN201320778462U CN203658990U CN 203658990 U CN203658990 U CN 203658990U CN 201320778462 U CN201320778462 U CN 201320778462U CN 203658990 U CN203658990 U CN 203658990U
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- 238000012545 processing Methods 0.000 title claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 6
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Abstract
The utility model belongs to the field of testing, and provides a debugging device for a central processing unit. The debugging device for the central processing unit comprises the central processing unit, a USB signal and UART signal conversion chip and a debugging machine. The USB signal and UART signal conversion chip is provided with a USB interface port and a UART interface port. The input end of the central processing unit is connected with the USB interface port of the USB signal and UART signal conversion chip. The output end of the debugging machine is connected with the USB interface port of the USB signal and UART signal conversion chip. According to the debugging device for the central processing unit, access and mutual communication between the central processing unit and a USB device are realized, and starting-up debugging is conducted on the central processing unit through the debugging machine.
Description
Technical field
The utility model belongs to field tests, relates in particular to a kind of central processing unit debugging apparatus.
Background technology
In the time central processing unit being developed to debugging, need to test developed central processing unit by the debug machine system based on computer, running status and the various concrete operational factor that need to observe by debug machine software central processing unit, at this moment just relate to the Communication between a debug machine and central processing unit.But, host computer is mainly by USB (Universal Serial BUS, USB (universal serial bus)) or serial ports and other system carry out data interaction, usb bus is an external bus standard, for connection and the communication of specification computer and external unit, it is the interfacing that is applied in PC field, because USB device is easy to use, support hot plug, connect flexibly, the advantage such as independently-powered, so the Solarnumen Comdebug connecting by USB is able to extensive utilization, and central processing unit is normally based on UART (Universal Asynchronous Receiver/Transmitter, asynchronous receiving-transmitting transmitter) interface and debug machine carry out data communication, the signal of UART interface and the usb signal of debug machine or rs 232 serial interface signal are cannot be compatible, can not directly be connected.
Utility model content
The purpose of this utility model is to provide central processing unit debugging apparatus, to solve the signal of UART interface of central processing unit of the prior art and the problem that the usb signal of debug machine cannot be compatible.
The utility model embodiment provides a kind of central processing unit debugging apparatus, comprise: central processing unit, usb signal and UART signal conversion chip and debug machine, described usb signal and UART signal conversion chip are provided with USB interface end and UART interface end, the input end of described central processing unit connects the UART interface end on described usb signal and UART signal conversion chip, and the output terminal of described debug machine connects the USB interface end on described usb signal and UART signal conversion chip.
Described usb signal is connected with the com interface end of described central processing unit with the UART interface end on UART signal conversion chip.
Described central processing unit debugging apparatus also comprises tripod contact pin, between described usb signal and UART interface end on UART signal conversion chip and the com interface end of described central processing unit, is connected by described tripod contact pin.
Described central processing unit debugging apparatus also comprises USB connector, and described usb signal is connected with the output terminal of described debug machine by described USB connector with the USB interface end on UART signal conversion chip.
Described central processing unit debugging apparatus also comprises conventional data bus, between the output terminal of described debug machine and described USB connector, is connected by described conventional data bus.
Described usb signal and UART signal conversion chip are chip CP2102.
Described central processing unit debugging apparatus also comprises the first stabilivolt, the second stabilivolt, the 3rd stabilivolt, the first electric capacity and the second electric capacity, the 4th pin of described chip CP2102 connects the 3rd pin of described USB connector and the cathode terminal of the 3rd stabilivolt, the 5th pin of described chip CP2102 connects the second pin of described USB connector and the cathode terminal of the second stabilivolt, the 7th pin of described chip CP2102 is connected one end of the first pin and first electric capacity of described USB connector with the 8th pin, the other end ground connection of described the first electric capacity, the 6th pin of described chip CP2102 connects the first end of the second electric capacity, the second end ground connection of described the second electric capacity, the 3rd pin ground connection of described chip CP2102, the first pin of described USB connector connects the cathode terminal of described the first stabilivolt, the 4th pin of described USB connector, the 5th pin, the 6th pin, the anode tap of described the first stabilivolt, the anode tap of described the second stabilivolt is connected altogether with the anode tap of described the 3rd stabilivolt, described USB connector is connected with described debug machine by conventional data bus, described chip CP2102 is connected with described central processing unit with the 26 pin by the 25 pin.
A kind of central processing unit debugging apparatus of the utility model embodiment, by usb signal and UART signal conversion chip are set between central processing unit and debug machine, the signal of UART interface of the central processing unit existing in prior art and the problem that the usb signal of debug machine cannot be compatible are solved, the access that realizes central processing unit and USB device and mutual communication, and by debug machine to the central processing unit debugging of starting shooting.
Brief description of the drawings
Fig. 1 is the embodiment schematic diagram of a kind of central processing unit debugging apparatus of providing of the utility model embodiment;
Fig. 2 is another embodiment schematic diagram of a kind of central processing unit debugging apparatus of providing of the utility model embodiment;
Fig. 3 is the chip CP2102 structural representation in a kind of central processing unit debugging apparatus of providing of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment provides an a kind of embodiment of central processing unit debugging apparatus, refer to Fig. 1, comprise: central processing unit 101, usb signal and UART signal conversion chip 102 and debug machine 103, described usb signal and UART signal conversion chip 102 are provided with USB interface end and UART interface end, the input end 101 of described central processing unit connects the UART interface end on described usb signal and UART signal conversion chip 102, and the output terminal of described debug machine 103 connects the USB interface end on described usb signal and UART signal conversion chip 102.
Described usb signal is connected with the com interface end of described central processing unit 101 with the UART interface end on UART signal conversion chip 102.
The utility model embodiment provides an a kind of embodiment of central processing unit debugging apparatus, refer to Fig. 2, also comprise tripod contact pin 104, between described usb signal and UART interface end on UART signal conversion chip 102 and the com interface end of described central processing unit 104, be connected by described tripod contact pin 104.
Described usb signal and UART signal conversion chip 102 adopt TX and RX data line to communicate by described tripod contact pin 104 and the com interface end of described central processing unit 101.
Described central processing unit debugging apparatus also comprises USB connector 106, and described usb signal is connected with the output terminal of described debug machine 103 by described USB connector 106 with the USB interface end on UART signal conversion chip 102.
Described central processing unit debugging apparatus also comprises conventional data bus 105, between the output terminal of described debug machine 103 and described USB connector 106, is connected by described conventional data bus 105.
Preferably, the conversion chip 102 of described usb signal and UART signal is chip CP2102.
Refer to Fig. 3, described central processing unit debugging apparatus also comprises the first stabilivolt D1, the second stabilivolt D2, the 3rd stabilivolt D3, the first capacitor C 1 and the second capacitor C 2, the 4th pin of described chip CP2102 connects the 3rd pin of described USB connector 106 and the cathode terminal of the 3rd stabilivolt D3, the 5th pin of described chip CP2102 connects the second pin of described USB connector 106 and the cathode terminal of the second stabilivolt D2, the 7th pin of described chip CP2102 is connected the first pin of described USB connector 106 and one end of the first capacitor C 1 with the 8th pin, the other end ground connection of described the first capacitor C 1, the 6th pin of described chip CP2102 connects the first end of the second capacitor C 2, the second end ground connection of described the second capacitor C 2, the 3rd pin ground connection of described chip CP2102, the first pin of described USB connector 106 connects the cathode terminal of described the first stabilivolt D1, the 4th pin of described USB connector 106, the 5th pin, the 6th pin, the anode tap of described the first stabilivolt D1, the anode tap of described the second stabilivolt D2 is connected altogether with the anode tap of described the 3rd stabilivolt D3, described USB connector is connected with described debug machine 105 by conventional data bus, described chip CP2102 is connected with described central processing unit 101 with the 26 pin by the 25 pin.
The specific works process of a kind of central processing unit debugging apparatus of the utility model embodiment is: first debug machine is connected by chip CP2102 with central processing unit, debug machine is connected with the USB connector that is connected to chip CP2102 by conventional data bus, the com interface of central processing unit is connected to chip CP2102 by 3 pin contact pins have been realized serial ports and has turned USB, and pass through TX, RX transceiving data line communicates, and then control debug machine and carry out the debugging of central processing unit, observe the appearance place of central processing unit problem, and provide in time Debugging message correction.
The utility model embodiment central processing unit is the domestic CPU that soars.
Described chip CP2102 specifically comprises following functions: USB part: meet USB2.0 specification; Comprise 1 USB interface, support (12Mbps) at full speed; Support USB halted state by SUSPEND pin; By 1024Byte EEPROM configuration device parameter; 4.0V is to 5.25V in power requirement: USB power supply; 3.0V is to the integrated voltage of 3.6V; It can be the serial equipment expanding USB interface of RS-232; Can apply to the AccessPort of the debugging acid of USB interface.UART part: standard UART specification; Comprise a standard RS-232 interface, speed 300bps is to 1Mbits; Power requirement: 3.3V voltage.
The utility model embodiment is connected with the serial ports of the platform of soaring by serial interface, realizes the access and mutual communication of domestic mainboard and USB device, and the debugging of starting shooting.
A kind of central processing unit debugging apparatus of the utility model embodiment, by usb signal and UART signal conversion chip are set between central processing unit and debug machine, the signal of UART interface of the central processing unit existing in prior art and the problem that the usb signal of debug machine cannot be compatible are solved, the access that realizes central processing unit and USB device and mutual communication, and by debug machine to the central processing unit debugging of starting shooting.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.For example, modules is just divided according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional module also, just for the ease of mutual differentiation, is not limited to protection domain of the present utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a central processing unit debugging apparatus, it is characterized in that, comprise: central processing unit, usb signal and UART signal conversion chip and debug machine, described usb signal and UART signal conversion chip are provided with USB interface end and UART interface end, the input end of described central processing unit connects the UART interface end on described usb signal and UART signal conversion chip, and the output terminal of described debug machine connects the USB interface end on described usb signal and UART signal conversion chip.
2. central processing unit debugging apparatus as claimed in claim 1, is characterized in that, described usb signal is connected with the com interface end of described central processing unit with the UART interface end on UART signal conversion chip.
3. central processing unit debugging apparatus as claimed in claim 2, it is characterized in that, also comprise tripod contact pin, between described usb signal and UART interface end on UART signal conversion chip and the com interface end of described central processing unit, be connected by described tripod contact pin.
4. central processing unit debugging apparatus as claimed in claim 1, is characterized in that, also comprises USB connector, and described usb signal is connected with the output terminal of described debug machine by described USB connector with the USB interface end on UART signal conversion chip.
5. central processing unit debugging apparatus as claimed in claim 4, is characterized in that, also comprises conventional data bus, between the output terminal of described debug machine and described USB connector, is connected by described conventional data bus.
6. central processing unit debugging apparatus as claimed in claim 4, is characterized in that, described usb signal and UART signal conversion chip are chip CP2102.
7. central processing unit debugging apparatus as claimed in claim 6, it is characterized in that, also comprise the first stabilivolt, the second stabilivolt, the 3rd stabilivolt, the first electric capacity and the second electric capacity, the 4th pin of described chip CP2102 connects the 3rd pin of described USB connector and the cathode terminal of the 3rd stabilivolt, the 5th pin of described chip CP2102 connects the second pin of described USB connector and the cathode terminal of the second stabilivolt, the 7th pin of described chip CP2102 is connected one end of the first pin and first electric capacity of described USB connector with the 8th pin, the other end ground connection of described the first electric capacity, the 6th pin of described chip CP2102 connects the first end of the second electric capacity, the second end ground connection of described the second electric capacity, the 3rd pin ground connection of described chip CP2102, the first pin of described USB connector connects the cathode terminal of described the first stabilivolt, the 4th pin of described USB connector, the 5th pin, the 6th pin, the anode tap of described the first stabilivolt, the anode tap of described the second stabilivolt is connected altogether with the anode tap of described the 3rd stabilivolt, described USB connector is connected with described debug machine by conventional data bus, described chip CP2102 is connected with described central processing unit with the 26 pin by the 25 pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778462.7U CN203658990U (en) | 2013-11-29 | 2013-11-29 | Debugging device for central processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778462.7U CN203658990U (en) | 2013-11-29 | 2013-11-29 | Debugging device for central processing unit |
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| CN203658990U true CN203658990U (en) | 2014-06-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043443A (en) * | 2015-07-03 | 2015-11-11 | 大连交通大学 | Vehicle body stress testing device for high speed train and work method thereof |
| CN106445762A (en) * | 2016-08-29 | 2017-02-22 | 广州视源电子科技股份有限公司 | Complete equipment debugging method and system |
| CN110309090A (en) * | 2019-06-26 | 2019-10-08 | 杭州迪普科技股份有限公司 | A kind of connector |
-
2013
- 2013-11-29 CN CN201320778462.7U patent/CN203658990U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043443A (en) * | 2015-07-03 | 2015-11-11 | 大连交通大学 | Vehicle body stress testing device for high speed train and work method thereof |
| CN106445762A (en) * | 2016-08-29 | 2017-02-22 | 广州视源电子科技股份有限公司 | Complete equipment debugging method and system |
| CN110309090A (en) * | 2019-06-26 | 2019-10-08 | 杭州迪普科技股份有限公司 | A kind of connector |
| CN110309090B (en) * | 2019-06-26 | 2021-06-29 | 杭州迪普科技股份有限公司 | A kind of interface unit |
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Granted publication date: 20140618 |
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| CX01 | Expiry of patent term |