CN101022278B - Terminal equipment, connector, charger and charging method - Google Patents
Terminal equipment, connector, charger and charging method Download PDFInfo
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- CN101022278B CN101022278B CN2007100002435A CN200710000243A CN101022278B CN 101022278 B CN101022278 B CN 101022278B CN 2007100002435 A CN2007100002435 A CN 2007100002435A CN 200710000243 A CN200710000243 A CN 200710000243A CN 101022278 B CN101022278 B CN 101022278B
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Abstract
A terminal device consists of power supply management module PMU and connector with a charge pin and two detection pins. It is featured as starting up charge mode of charger to receive current from charge pin for carrying out charge when voltage input on said charge pin is detected by PMU module and two said detection pins are short-circuit, starting up charge mode of universal serial bus USB to receive current from said charge pin for carrying out charge when voltage input on said charge pin is detected and two said detection pins are not short-circuited.
Description
Technical field
The present invention relates to the hardware interface technical field, be meant a kind of terminal equipment, a kind of connector, a kind of charger and a kind of charging method especially.
Background technology
Along with the enhancing of terminal functions such as mobile phone, also more and more higher to the interface function requirement of terminal equipment.Terminal equipment is connected with external equipment by connector usually, with realize between terminal equipment and the external equipment transfer of data and to the charging of terminal equipment etc.
Because the enhancing of connector function causes the pin of connector more and more, following table 1 shows included pin and the function thereof of a kind of 24 pin connectors.Wherein, the function of pin 9,10,11 is to be used for charging, and the function of pin two 1 also is to be used for charging.For the identical pin of this function, adopt different pins to realize its function respectively, increased the quantity of pin, also increased the volume of connector.
In addition, along with the development of terminal equipment, the function that terminal equipment is supported is more and more stronger, and the function that various connector is supported in the prior art is all very limited, has had a strong impact on the upgrading of terminal equipment.
Summary of the invention
In view of this, the invention provides a kind of terminal equipment, a kind of connector, a kind of charger and a kind of charging method, can reduce the quantity of connector pin.
A kind of terminal equipment provided by the invention comprises: comprise power management module PMU and connector, this connector comprises: charging pin and two detection pins; Described pin all is connected to described PMU module; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors;
Described PMU module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enable the charger charge mode and charge from described charging pin received current; Voltage input is arranged detecting described charging pin, and described two detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
Connector provided by the invention comprises following pin:
The charging pin is used to import charger charging current or USB charging current;
Two are detected pin, are used to transmit usb data or serial data and are used to transmit the detection signal that the sign charger inserts;
The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors; Described charging pin and described detection pin are connected in the PMU module of portable terminal, so that the PUM module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enabling the charger charge mode charges from described charging pin received current, so that the PUM module has voltage input detecting described charging pin, and described two are detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
Charger provided by the invention comprises charging plug, comprises in this charging plug: charging pin and two detection pins; Wherein, described two detection pins directly connect; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors; Described charging pin and described detection pin are connected in the PMU module of portable terminal, so that the PUM module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enabling the charger charge mode charges from described charging pin received current, so that the PUM module has voltage input detecting described charging pin, and described two are detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
Charging method provided by the invention is applied to comprise in the terminal equipment of PMU module and connector, and wherein, described connector comprises charging pin and two detection pins, is connected to described PMU module respectively; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors, and this method comprises:
The PMU module is judged the whether short circuit of two detection pins being connected with self after determining the charging pin that is connected with self voltage input is arranged, if, then enable the charger charge mode, charge by described charging pin received current; Otherwise, enable the USB charge mode, charge by described charging pin received current.
By such scheme as can be seen, by multiplexing charger charging pin and USB charging pin, reduce the number of pin of connector among the present invention, also reduced the volume of connector;
In addition, 20 pin connectors provided by the invention, multiplexing by a plurality of pins supported more function under the less situation of number of pin.
Description of drawings
The connector construction schematic diagram that Fig. 1 provides for the specific embodiment of the invention;
The schematic diagram that Fig. 2 uses in mobile phone for 20 pin connectors in the specific embodiment of the invention;
Fig. 3 is that the function of MIC biasing pin in the specific embodiment of the invention realizes schematic diagram;
Fig. 4 a is the mobile phone side structure schematic diagram that relates to the charger charging in the specific embodiment of the invention;
Fig. 4 b is the charger construction schematic diagram in the specific embodiment of the invention;
Fig. 4 c is the mobile phone side structure schematic diagram that relates to the USB charging in the specific embodiment of the invention;
Fig. 4 d is the structural representation of USB charging device side in the specific embodiment of the invention;
Fig. 5 is the flow chart of charging method in the specific embodiment of the invention.
Embodiment
The embodiment of the invention is by charging pin of the charger in the multiplexing connector and USB power pin, thus the number of pin of minimizing connector.
In terminal equipment, relate to above-mentioned pin multiplexing except that connector, also comprise power management module (PMU).Wherein, connector comprises charging pin and two detection pins; These pins all are connected to the PMU module; Then the PMU module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enable the charger charge mode and charge from described charging pin received current; Voltage input is arranged detecting described charging pin, and described two detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.Here, the quantity of charging pin can be three.
Above-mentioned connector further can comprise: three ground pin are connected to the ground in the described terminal equipment; These three ground pin are longer than other pins in the described connector.
For further reducing number of pin, can also be the receiving/hang-up signal pin with MIC biasing circuit pin multiplexing, this pin is connected to MIC biasing circuit and the GPIO bus in the terminal equipment respectively, be used to export the bias voltage that the MIC biasing circuit produces, and input receiving/hang-up signal is to the GPIO bus.
For further reducing number of pin, can also be FM antenna pin with earphone L channel pin or earphone R channel pin multiplexing.Then earphone L channel pin or earphone R channel pin remove the coding/decoding module that is connected in the terminal, thereby outside output earphone left channel signals or the earphone right-channel signals, also are connected to the FM module in the terminal, are used to receive the FM signal, and input to described FM module.
The connector that provides among the present invention can also be supported the Capless technology, and promptly comprising earphone reference signal pin is connected to the Capless circuit in the terminal equipment of supporting the Capless technology, is used to export the earphone reference signal of Capless level.Earphone reference signal pin in the terminal equipment of not supporting the Capless technology, direct ground connection, thereby the earphone reference signal of output low level.
In some cases, the expansion equipment that is connected with terminal equipment by connector needs terminal equipment to provide power supply for it, therefore further be provided with the power supply output pin in the connector of the present invention, this pin is connected to the PMU module, and being used for the PMU module provides power supply by this pin output current for above-mentioned expansion equipment.
Above-mentioned connector can also be supported senior line control earphone, and then this connector further comprises senior line control earphone line traffic control signal input tube pin; This pin is used to import and comprises the receiving/hang-up signal or do not comprise the receiving/hang-up signal that the line traffic control signal of senior line control earphone is to described GPIO bus.
Further can comprise in the above-mentioned connector: earphone inserts and detects pin and expansion equipment insertion detection pin; Wherein, earphone insertion detection pin is connected to the GPIO bus in the terminal equipment, is used to import the signal whether earphone inserts; Expansion equipment is inserted the detection pin and is connected to described GPIO bus, is used to transmit other equipment and the mutual signal of terminal equipment except that earphone.
Further can comprise in the above-mentioned connector: the USB principal and subordinate discerns pin, and this USB principal and subordinate discerns pin and is connected to USB in the terminal equipment, is used for the signal that the identification of USB master slave mode is carried out in input and output.
In addition, above-mentioned detection pin further is connected to described USB, is used to input or output usb data, thereby makes above-mentioned connector can realize the usb data transmission.
Above-mentioned connector also supports to be arranged on the FM reset button on the earphone or on other expansion equipments, then this connector further comprises: FM reseting pin, this pin are connected to the FM module in the terminal equipment, are used to import the FM reset signal to the FM module.
Above-mentioned FM reseting pin can also be multiplexed with the video output pin, and then this pin also is connected to the GPIO bus in the terminal equipment, thereby output is from the vision signal of GPIO bus.
Above-mentioned connector can also be arranged in the bluetooth cellular phone that comprises bluetooth (BT) module, then can comprise in this connector: BT control pin and four BT pulse code modulation PCM pins; BT control pin is connected to the BT signal processing module, is used to transmit the BT control signal; Four BT pulse code modulation pins are connected to the BT signal processing module respectively, are used to transmit the BT data-signal.
Above-mentioned connector can also be supported the IIC data-transformation facility, and then this connector further comprises: IIC data pins and IIC clock pin; The IIC data pins is connected to the iic bus in the terminal equipment, is used to transmit the IIC data-signal; IIC clock pin is connected to the iic bus in the terminal equipment, is used to transmit the IIC control signal.
Above-mentioned connector can also be applied to support comprise handle module in this terminal equipment in the terminal equipment of cell-phone handle function; Then above-mentioned connector further comprises: five circuit pins, be connected to described handle module respectively, and be used to transmit the handle related data.
In above-mentioned five circuit pins, circuit 1 pin can further be connected to GPIO bus in the terminal equipment, is used to import the line traffic control data of senior line control earphone; Circuit 2 pins can further be connected to the iic bus in the terminal equipment, are used to transmit the IIC data-signal; Circuit 3 pins can be connected to the iic bus in the described terminal equipment, are used to transmit the IIC control signal; Circuit 4 pins are connected to the usb bus in the terminal equipment, are used to transmit USB master slave mode identification signal.
Below be that mobile phone is an example with above-mentioned terminal equipment, be elaborated by specific embodiment.
The structure of 20 pin connectors wherein from left to right is respectively pin one as shown in Figure 1 to pin two 0 in the first embodiment of the invention.As can be seen from Figure 1, in the present embodiment, the ground pin of 20Pin connector is longer than other pins, thereby makes plugs and sockets GND pin contact prior to other power pin or signal pin, then breaks away from these pins, thereby improves the plug reliability.In addition because three ground pin are distributed in the both sides and the central authorities of connector, guaranteed can realize all under the mode that the GND pin at first contacts at last and leave inserting arbitrarily to extract, further improved the plug reliability.
Fig. 2 shows the schematic diagram that 20 pin connectors use in the present embodiment in mobile phone.In addition, the signal instruction of 20 each pin of pin connector is as shown in table 1 in the present embodiment:
| Conventional mobile phone | Signal instruction | |
| Pin1 | GND | Ground pin, minute hand |
| Pin2 | MIC_BIAS | Mike (MIC) pin of setovering can doublely be done and answer pin |
| Pin3 | HPH_L/FM_ANT | Earphone-L channel pin can doublely be done frequency modulation (FM) antenna pin |
| Pin4 | HPH_R | Earphone-R channel pin can doublely be done FM antenna pin |
| Pin5 | HPH_REF | Earphone-reference signal pin.Under no electric capacity (Capless) situation, connect the DC level; During non-Capless, be GND, directly connect GND on the circuit |
| Pin6 | VBAT | The power supply output pin is mainly used in accessory when needing additional power source |
| Pin7 | LINE_CTL | The line traffic control pin of senior line control earphone; Can doublely do and answer pin; In low-cost mobile phone, if multiplexing at Pin2 answering key, then this pin keeps. |
| Pin8 | P_IN_DET1 | Earphone inserts and detects pin, the acquiescence high level |
| Pin9 | P_IN_DET2 | Expansion equipment is inserted and is detected pin, the acquiescence high level |
| Pin10 | GND | Ground pin, minute hand |
| Pin11 | FM_RST/TV-out | FM resets/video output complexing pin |
[0045]
| Pin12 | reserve/IIC-DATA | Keep pin, also can be the IIC data pins |
| Pin13 | reserve/IIC-CLK | Keep pin, also can be IIC clock pin |
| Pin14 | USB_ID | USB (USB) master slave mode identification (OTG) pin |
| Pin15 | char_IN/USB_VBUS | The complexing pin of power supply (Charger) charging/USB power supply |
| Pin16 | char_IN/USB_VBUS | The complexing pin of Charger charging/USB power supply |
| Pin17 | char_IN/USB_VBUS | The complexing pin of Charger charging/USB power supply |
| Pin18 | USB_P/SER_RX | The complexing pin of detection/usb data/serial data |
| Pin19 | USB_M/SER_TX | The complexing pin of detection/usb data/serial data |
| Pin20 | GND | Ground pin, minute hand |
Table 1
In conjunction with Fig. 2 and table 1, the signal of realizing by each pin in the present embodiment comprises alternately:
Pin Pin1 is ground pin, is connected with ground on the cell phone mainboard.
Pin2 is MIC biasing pin, is connected with MIC biasing circuit on the cell phone mainboard, as shown in Figure 3.When the 20Pin connector in this present embodiment connected earphone, the MIC biasing circuit of cell phone mainboard was exported the MIC bias voltage by this pin to earphone.In addition, as can be seen from Figure 3, Pin2 can also be further be connected to baseband chip control section on the cell phone mainboard by the GPIO bus, when inserting earphone, produce signal by the button on the operation earphone, this signal is input to baseband chip control section on the cell phone mainboard by the GPIO bus, the control that baseband chip control is answered, hung up according to the signal that receives, perhaps can further control the local audio data of playing according to this signal, as time-out, startup etc., perhaps can further dial etc. according to this signal.
Pin3 is earphone L channel pin, is connected with coding/decoding module on the cell phone mainboard, and when inserting earphone, the coding/decoding module on the mainboard is by this pin output L channel voice signal.
Pin4 is earphone R channel pin, is connected with coding/decoding module on the cell phone mainboard, and when inserting earphone, the coding/decoding module on the mainboard is by this pin output right channel sound signal.
Above-mentioned Pin3 or Pin4 can also be connected to the FM module in the cell phone mainboard, thereby receive the FM signal, and are input to the FM module.
Pin5 is earphone reference signal pin, is connected to the earphone reference signal output point in the mobile phone.Here, in the Capless technology, earphone reference signal output point is the output point of Capless level circuit in the cell phone mainboard, and then after inserting earphone, the Capless level circuit is by the reference signal of this pin to earphone output certain voltage; In non-Capless technology, earphone reference signal output point is ground in the cell phone mainboard, thereby after inserting earphone, mobile phone makes earphone obtain reference signal by this pin.
Pin6 is the power supply output pin, is connected to the PMU module in the cell phone mainboard.When inserting the accessory that needs the mobile phone power supply by the 20Pin connector in the present embodiment, the PMU module provides power supply to the electric current that this accessory output has certain power supply capacity for this accessory by this pin.
Pin7 is senior line control earphone line traffic control pin, and this pin is connected to the baseband chip control section by GPIO bus on the cell phone mainboard or ADC.When senior line control earphone inserts 20Pin connector in the present embodiment, import high control signal by this pin to the baseband chip control section, as improve volume, play next etc., the baseband chip control section according to the input control signal improve volume accordingly, play next etc. control and treatment.In addition, use in the example at Fig. 3, when the earphone that is inserted is senior line control earphone, this senior line control earphone by Pin2 to the control of mobile phone input push button signalling answer, disconnection etc.; In the present embodiment, the senior line control earphone that is inserted can not imported above-mentioned push button signalling by Pin2 to mobile phone yet, but imports this push button signalling by Pin7.Similarly, for common headphones, also can import above-mentioned push button signalling by Pin7 rather than Pin2.In the mobile phone of not supporting senior line control earphone, when the earphone that inserts was imported above-mentioned push button signalling by Pin2, Pin7 can be used as the reservation pin.
Pin8 detects pin for earphone inserts, and this pin is connected to the baseband chip control section by the GPIO bus on the cell phone mainboard.This pin is defaulted as high level, after common headphones, senior line control earphone or FM earphone insert this connector, the level of this pin becomes low level, and as shown in Figure 3, then the baseband chip control section has determined whether just that according to the level of this pin access earphone inserts.
Pin9 inserts the detection pin for expansion equipment, and this pin is connected to the baseband chip control section by the GPIO bus on the cell phone mainboard equally.After outside expansion equipment inserted this connector, by this pin and baseband chip control section exchange handshake signals, thereby the baseband chip control section can be determined the type of the outside expansion equipment inserted, and carries out respective handling.
Pin10 is ground pin, is connected with ground on the cell phone mainboard.
Pin11, for FM resets/video output complexing pin, this pin is connected to baseband chip control section on the cell phone mainboard by the GPIO bus, and is connected to the coding/decoding module on the cell phone mainboard.Behind the 20Pin connector in FM earphone insertion present embodiment, the FM earphone is imported reset signal by this pin and GPIO bus to the baseband chip control section, and the baseband chip control section is exchanged frequency module according to this reset signal and carried out reset processing.20Pin connector in PC or other equipment access present embodiment, when needing outputting video signal, coding/decoding module is by this pin outputting video signal.
Pin12 and pin13 can be used for the function expansion for keeping pin.For example, these two pins can be used as IIC data pins and IIC clock pin, are connected to iic bus on the cell phone mainboard, then can carry out the IIC data interaction with external accessories by these two pin mobile phones.
Pin14 is USB master slave mode identification pin, and this pin is received the baseband chip control section by the GPIO bus.When mobile phone was connected with other equipment, the baseband chip control section was determined master slave mode by this pin and other equipment interactive signals.
Pin15, Pin16, Pin17 are charging/USB power supply complexing pin, are used to be connected to the PMU unit (power management module) of mobile phone inside.As shown in Figure 4, when inserting charging device by the 20Pin connector in the present embodiment, the PMU module at first detects charging/USB power supply complexing pin the voltage input, detect pin one 8 and 19 short circuits then, determine that then the charging device that inserts is a charger, the PMU module is enabled the charger charge mode, is charging mobile phone battery from Pin15, Pin16 and three pins receptions of Pin17 charger charging current; Here, each pin is supported maximum 500mA electric current, three pin parallel connections, and maximum can be supported the 1500mA electric current.When being connected with PC or other USB charging devices by the 20Pin connector in the present embodiment, the PMU module at first detects charging/USB power supply complexing pin the voltage input, detect not short circuit of pin one 8 and 19 then, then determine to have inserted the USB charging device, enabling the USB charge mode, is charging mobile phone battery from Pin15, Pin16 and three pins receptions of Pin17 USB charging current.
Pin18, Pin19 for detection/usb data/serial data complexing pin, are connected to the baseband chip signal processing unit by usb bus and serial bus, and are connected to the PMU module in the terminal.Be connected to the PMU module about Pin18 and Pin19, and the PMU module has in the preceding paragraph and describes no longer explanation here according to the processing that signal carried out of this two pins input.In addition, when PC or other equipment were connected to 20Pin connector in the present embodiment, PC or other equipment can carry out data interaction with the baseband chip signal processing unit by these two pins.Wherein, when 20Pin connector in the present embodiment was connected, Pin18 was the USB_D+ data pins in the USB interface of PC or other equipment, and Pin19 is the USB_D-data pins, transmits a pair of differential signal.PC or other equipment by serial ports when 20Pin connector in the present embodiment is connected, Pin18 is the serial ports input pin, import serial data by this pin to the mobile phone base band chip processing unit, Pin19 is the serial ports output pin, exports serial data by this pin mobile phone base band chip processing unit to the outside.
Pin20 is ground pin, is connected with ground on the cell phone mainboard.
In above-mentioned pin, can also select 6 pin multiplexings is JTAG signal pin and starting-up signal pin under the debugging mode, as select the weldering mode by resistance, Pin7-Pin11 in the Pin7-Pin12 pin is connected with jtag bus, by these pin input jtag test signals, Pin12 is connected with the starting-up signal acceptance point, the input starting-up signal, and then the signal by above-mentioned input can carry out jtag test to mobile phone.
More than the annexation of 20Pin connector in the present embodiment and mobile phone inner member and the signal that is carried out are illustrated alternately.By above-mentioned explanation, as can be seen in conjunction with Fig. 1: in the 20Pin connector of present embodiment,
1, undertaken by pin battery charge and USB charging multiplexing, thereby under the prerequisite that realizes said function, reduced the quantity of pin.
2, by the setting of power supply output pin, realized powering to outside appurtenances by connector self.
3, pass through the multiplexing of usb data pin or serial data pin, further reduced the quantity of pin under the prerequisite of supporting two kinds of functional mobile phones, in addition, the 20Pin connector that present embodiment provides also can be supported the JTAG debugging.
4, provide audio interface, thereby save the 2.5mm connector; In addition, the audio interface of present embodiment is also supported the Capless function.
5, support multiple earphone, comprise senior line control earphone and have only a simple line control earphone of answering key, use more extensive.
6, insert the detection pin by expansion equipment, can support multiple accessory expansion.
7, earphone L channel pin or earphone R channel pin can doublely be made the wireless antenna of FM, have further increased the functional type that this connector is supported.
8, leave 2 and keep pin, can realize the function expansion.
9, the audio interface pin is away from the serial data pin, thereby prevented the interference of serial data transmission to audio signal.
10, charging, power pin and ground pin are non-conterminous, thereby have prevented that short circuit causes burning pin fault between pin.
11, insert the centre position that the detection pin is arranged on connector, reduce the probability that inserts the signal false triggering.
12, usb data/serial data pin and charging/USB power supply complexing pin pin isolated with GND pin and other pins, mainly refers to isolate with earphone left channel signals output pin and earphone right-channel signals output pin, reduced the interference to these signals.
13, earphone inserts the detection pin and is exclusively used in earphone insertion detection, guarantees that the switching of voice-grade channel is normal.
14, expansion equipment is inserted the insertion detection that detects pin earphone special other equipment in addition, and the type of peripheral hardware is distinguished by the data port handshake of peripheral hardware correspondence, can realize that mobile phone detects the insertion of multiple outside expansion equipment.
In the second embodiment of the present invention, 20 pin connectors are mainly used in bluetooth (BT) low-end mobile phone, in this 20 pin connector, the connection of Pin1-Pin6, these pins of Pin8-Pin10, Pin15 to Pin20 and bluetooth cellular phone internal module and the signal that is carried out are mutual identical with first embodiment.Remaining pin all is connected to the Bluetooth signal processing module in the mobile phone, wherein, Pin7 is bluetooth pulse code modulation 4 (BT PCM4) pin, after connecting bluetooth equipment, by this pin transmission the four road blue-teeth data signal between the Bluetooth signal processing module of mobile phone and bluetooth equipment; Pin11 is a BT control pin, by the control signal between this pin transmission Bluetooth signal processing module and the bluetooth equipment; Pin12 is the BTPCM1 pin, after connecting bluetooth equipment, by this pin transmission first via blue-teeth data signal between the Bluetooth signal processing module of mobile phone and bluetooth equipment; Pin13 is a BT PCM2 pin, after connecting bluetooth equipment, by this pin transmission the second road blue-teeth data signal between the Bluetooth signal processing module of mobile phone and bluetooth equipment; Pin14 is a BT PCM3 pin, after connecting bluetooth equipment, by this pin transmission Third Road blue-teeth data signal between the Bluetooth signal processing module of mobile phone and bluetooth equipment.
In the third embodiment of the present invention, 20 pin connectors are mainly used in the FM mobile phone, in this 20 pin connector, except that the Pin11 pin, the connection of all pins and FM mobile phone internal module and the signal that is carried out are mutual all identical with first embodiment, in the present embodiment, the Pin11 pin is only as the FM reseting pin, be connected with the GPIO bus, be used to import the FM reset signal, and be not connected with coding/decoding module.
In the fourth embodiment of the present invention, 20 pin connectors are mainly used in the handle mobile phone, in this 20 pin connector, the connection of Pin1-Pin6, these pins of Pin8-Pin10, Pin15 to Pin20 and handle mobile phone internal module and the signal that is carried out are mutual identical with first embodiment.Remaining pin all is connected to the handle control module in the mobile phone, wherein, Pin7 and mobile phone are except that identical with first embodiment connection, also be multiplexed with circuit (Line) 5 pins, be connected to the handle control module, after connecting handle, by this pin transmission the five road handle signal between the handle control module of mobile phone and handle module; Pin11 is the Line1 pin, by this pin transmission first via handle signal between the handle control module of mobile phone and handle module; Pin12 is the Line2 pin, by this pin transmission the second road handle signal between the handle control module of mobile phone and handle module; Pin13 is the Line3 pin, by this pin transmission Third Road handle signal between the handle control module of mobile phone and handle module; Pin14 is the Line4 pin, by this pin transmission the four road handle signal between the handle control module of mobile phone and handle module.
Among above-mentioned second, third and the 4th embodiment, each pin definitions is as shown in table 2:
Table 2
The specific embodiment of the invention also provides a kind of charger, and the structure of this charger is shown in Fig. 4 b.From Fig. 4 b, as can be seen, comprise charging plug in the charger that the specific embodiment of the invention provides, and comprise in the charging plug: charging pin and two detection pins; Wherein, the charging pin is used to export the charger charging current, just exemplarily shows a charging pin among Fig. 4 b, in fact can also comprise more charging pins in the charger that the specific embodiment of the invention provided, as comprises three charging pins; In addition, two are detected pins and directly connect in the Charger (portable round) that this specific embodiment provided, thereby make this charging plug is inserted into when being recharged equipment, and the equipment of being recharged can detect the charger type of insertion, thereby enables corresponding charge mode.
The specific embodiment of the invention also provides a kind of charging method, be applied to comprise in the terminal equipment of PMU module and connector, connector specifically can be in the various embodiments described above arbitrary in mentioned connector, then as shown in Figure 5, this method comprises:
Detect charging pin in step 501 terminal by connector, be that above-mentioned Pin15, Pin16 or Pin17 has the voltage input, then execution in step 502, judge whether short circuit of Pin18 and Pin19, if, then execution in step 503, the equipment that terminal is determined insertion is charger, then enable the charger charge mode from the charging pin, comprise that above-mentioned Pin15, Pin16 and Pin17 receive charging current, for the battery in the terminal charges, and after charging was finished, stopping received current was battery charge; Otherwise in step 504, the equipment that terminal is determined insertion is USB device, enable the USB charge mode, comprise that from the charging pin above-mentioned Pin15, Pin16 and Pin17 receive charging current, for the battery in the terminal charges, and after charging was finished, stopping received current was battery charge.
More than be explanation, in concrete implementation process, can carry out suitable improvement, to adapt to the concrete needs of concrete condition method of the present invention to the specific embodiment of the invention.Therefore be appreciated that according to the specific embodiment of the present invention just to play an exemplary role, not in order to restriction protection scope of the present invention.
Claims (22)
1. a terminal equipment comprises power management module PMU and connector, it is characterized in that, described connector comprises: charging pin and two detection pins; Described pin all is connected to described PMU module; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors;
Described PMU module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enable the charger charge mode and charge from described charging pin received current; Voltage input is arranged detecting described charging pin, and described two detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
2. terminal equipment according to claim 1 is characterized in that, described connector further comprises: three ground pin are connected to the ground in the described terminal equipment; These three ground pin are longer than other pins in the described connector.
3. terminal equipment according to claim 1 is characterized in that, described terminal equipment further comprises: Mike MIC biasing circuit and general programmable input and output GPIO bus; Described connector further comprises: the MIC pin of setovering;
Described MIC biasing pin is connected to described MIC biasing circuit and GPIO bus respectively, is used to export the bias voltage that the MIC biasing circuit produces, and input from the push button signalling of earphone to described GPIO bus.
4. terminal equipment according to claim 1 is characterized in that, described terminal equipment further comprises: coding/decoding module and modulating FM module; Described connector further comprises: earphone L channel pin and/or earphone R channel pin;
Described earphone L channel pin is connected with described coding/decoding module, is used to export the earphone left channel signals that described coding/decoding module produces;
Described earphone R channel pin is connected with described coding/decoding module, is used to export the earphone right-channel signals that described coding/decoding module produces;
Described earphone L channel pin or described earphone R channel pin further are connected to described FM module, are used to receive the FM signal, and input to described FM module.
5. terminal equipment according to claim 1 is characterized in that, described connector further comprises: earphone reference signal pin; This earphone reference signal pin is connected to the ground in the terminal equipment, perhaps is connected to the Capless circuit that described terminal equipment further comprises, is used for the reference signal of output low level or Capless level.
6. terminal equipment according to claim 1 is characterized in that, described connector further comprises: the power supply output pin, be connected to described PMU module, and be used for described PMU module by this power supply output pin output current.
7. terminal equipment according to claim 1 is characterized in that, described terminal equipment further comprises: the GPIO bus; Described connector further comprises: senior line control earphone line traffic control signal input tube pin; This pin is used to import and comprises the receiving/hang-up signal or do not comprise the receiving/hang-up signal that the line traffic control signal of senior line control earphone is to described GPIO bus.
8. terminal equipment according to claim 1 is characterized in that, comprises the GPIO bus in the described terminal equipment; Described connector further comprises: earphone inserts and detects pin and expansion equipment insertion detection pin;
Described earphone inserts the detection pin and is connected to described GPIO bus, is used to import the signal whether earphone inserts;
Described expansion equipment is inserted the detection pin and is connected to described GPIO bus, is used to transmit expansion equipment and the mutual handshake of terminal equipment, the expansion equipment that terminal recognition is inserted.
9. terminal equipment according to claim 1 is characterized in that, further comprises in the described terminal equipment: USB; Further comprise in the described connector: the USB principal and subordinate discerns pin;
Described USB principal and subordinate discerns pin and is connected to described USB, is used for the signal that the identification of USB master slave mode is carried out in input and output.
10. terminal equipment according to claim 9 is characterized in that, described detection pin further is connected to described USB, is used to input or output usb data.
11. terminal equipment according to claim 1 is characterized in that, further comprises in the described terminal equipment: the GPIO bus; Connector further comprises: the FM reseting pin, be connected to described GPIO bus, and be used to import the FM reset signal.
12. terminal equipment according to claim 11 is characterized in that, further comprises in the described terminal equipment: coding/decoding module; Described FM reseting pin further is connected to described coding/decoding module, is used for outputting video signal.
13. terminal equipment according to claim 1 is characterized in that, described terminal equipment further comprises: bluetooth BT signal processing module; Further comprise in the described connector: BT control pin and four BT pulse code modulation PCM pins;
Described BT control pin is connected to described BT signal processing module, is used to transmit the BT control signal;
Described four BT pulse code modulation pins are connected to described BT signal processing module respectively, are used to transmit the BT data-signal.
14. terminal equipment according to claim 1 is characterized in that, further comprises in the described terminal equipment: iic bus; Described connector further comprises: IIC data pins and IIC clock pin;
Described IIC data pins is connected to described iic bus, is used to transmit the IIC data-signal;
Described IIC clock pin is connected to described iic bus, is used to transmit the IIC control signal.
15. terminal equipment according to claim 1 is characterized in that, further comprises in the described terminal equipment: handle module; Described connector further comprises: five circuit pins, be connected to described handle module respectively, and be used to transmit the handle related data.
16. terminal equipment according to claim 15 is characterized in that, further comprises in the described terminal equipment: GPIO bus, iic bus and usb bus; In described five circuit pins,
Circuit 1 pin further is connected to the GPIO bus, is used to import the line traffic control data of senior line control earphone;
Circuit 2 pins further are connected to iic bus, are used to transmit the IIC data-signal;
Circuit 3 pins further are connected to described iic bus, are used to transmit the IIC control signal;
Circuit 4 pins further are connected to described usb bus, are used to transmit USB master slave mode identification signal.
17. a connector is characterized in that, this connector comprises following pin:
The charging pin is used to import charger charging current or USB charging current;
Two are detected pin, are used to transmit usb data or serial data and are used to transmit the detection signal that the sign charger inserts;
The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors;
Described three charging pins and described two detection pins are connected in the PMU module of portable terminal, so that the PMU module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enabling the charger charge mode charges from described charging pin received current, so that the PMU module has voltage input detecting described charging pin, and described two are detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
18. connector according to claim 17 is characterized in that, described connector comprises following pin in proper order:
First ground pin is used for ground connection;
The MIC pin of setovering is used to export the MIC bias voltage;
Earphone L channel pin is used to export the earphone left channel signals;
Earphone R channel pin is used to export the earphone right-channel signals;
Earphone reference signal pin is used to export the earphone reference signal of Capless circuit generation or the earphone reference signal of output ground connection;
The power supply output pin is used for output current;
Senior line control earphone line traffic control signal pin is used to keep or be used to import the line traffic control signal of senior line control earphone;
Earphone/FM earphone inserts and detects pin, is used to import the signal whether sign has inserted common headphones or FM earphone;
Expansion equipment is inserted and is detected pin, is used to transmit other equipment and the mutual signal of terminal equipment except that earphone;
Second ground pin is used for ground connection;
FM resets/video output complexing pin, is used to import the FM reset signal, or outputting video signal;
First keeps pin, is used for keeping or being used for input and output IIC interface data signal;
Second keeps pin, is used for keeping or being used for input and output IIC interface clock signal;
USB master slave mode identification pin is used for the signal that the identification of USB master slave mode is carried out in input and output;
Three described charging pins;
Described two are detected pin;
Ground pin is used for ground connection;
Described MIC biasing pin or described senior line control earphone line traffic control signal pin also are used to import the receiving/hang-up signal;
Described earphone L channel pin or described earphone R channel pin also are used to import the FM signal.
19. connector according to claim 17 is characterized in that, described connector comprises following pin in proper order:
First ground pin is used for ground connection;
The MIC pin of setovering is used to export the MIC bias voltage;
Earphone L channel pin is used to export the earphone left channel signals;
Earphone R channel pin is used to export the earphone right-channel signals;
Earphone reference signal pin is used to export the earphone reference signal of Capless circuit generation or the earphone reference signal of output ground connection;
The power supply output pin is used for output current;
BT PCM4 pin is used to transmit the four road blue-teeth data signal;
Earphone/FM earphone inserts and detects pin, is used to import the signal whether sign has inserted common headphones or FM earphone;
Expansion equipment is inserted and is detected pin, is used to transmit other equipment and the mutual signal of terminal equipment except that earphone;
Second ground pin is used for ground connection;
BT controls pin, is used to transmit the BT control signal;
BT PCM1 pin is used to transmit first via BT data-signal;
BT PCM2 pin is used to transmit the second road BT data-signal;
BT PCM2 pin is used to transmit Third Road BT data-signal;
Three described charging pins;
Described two are detected pin;
Ground pin is used for ground connection;
Described earphone L channel pin or described earphone R channel pin also are used to import the FM signal.
20. connector according to claim 17 is characterized in that, described connector comprises following pin in proper order:
First ground pin is used for ground connection;
The MIC pin of setovering is used to export the MIC bias voltage;
Earphone L channel pin is used to export the earphone left channel signals;
Earphone R channel pin is used to export the earphone right-channel signals;
Earphone reference signal pin is used to export the earphone reference signal of Capless level circuit generation or the earphone reference signal of output ground connection;
The power supply output pin is used for output current;
Circuit 5 pins are used to transmit the five road handle signal or are used to import senior line control earphone line traffic control signal;
Earphone/FM earphone inserts and detects pin, is used to import the signal whether sign has inserted common headphones or FM earphone;
Expansion equipment is inserted and is detected pin, is used to transmit other equipment and the mutual signal of terminal equipment except that earphone;
Second ground pin is used for ground connection;
Circuit 1 pin is used to transmit first via handle signal or is used to import the FM reset signal;
Circuit 2 pins are used to transmit the second road handle signal or are used to transmit the IIC data-signal;
Circuit 3 pins are used to transmit Third Road handle signal or are used to transmit the IIC control signal;
Circuit 4 pins are used to transmit the four road handle signal or are used to transmit USB master slave mode identification signal;
Three described charging pins;
Described two are detected pin;
Ground pin is used for ground connection;
Described earphone L channel pin or described earphone R channel pin also are used to import the FM signal.
21. a charger comprises charging plug, it is characterized in that, comprises in the described charging plug: charging pin and two detection pins; Wherein, described two detection pins directly connect; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors;
Described three charging pins and described two detection pins are connected in the PMU module of portable terminal, so that the PMU module has voltage input detecting described charging pin, and described two when detecting the pin short circuits, enabling the charger charge mode charges from described charging pin received current, so that the PMU module has voltage input detecting described charging pin, and described two are detected pins not during short circuit, enable the general-purpose serial bus USB charge mode and charge from described charging pin received current.
22. a charging method is applied to comprise in the terminal equipment of PMU module and connector, it is characterized in that, described connector comprises charging pin and two detection pins, is connected to described PMU module respectively; The quantity of described charging pin is three; Described charging pin is pin Pin15, Pin16 and the Pin17 of 20 pin connectors; Described two detection pins are the pin Pin18 and the Pin19 of 20 pin connectors, and this method comprises:
The PMU module is judged the whether short circuit of two detection pins being connected with self after determining the charging pin that is connected with self voltage input is arranged, if, then enable the charger charge mode, charge by described charging pin received current; Otherwise, enable the USB charge mode, charge by described charging pin received current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100002435A CN101022278B (en) | 2007-01-16 | 2007-01-16 | Terminal equipment, connector, charger and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100002435A CN101022278B (en) | 2007-01-16 | 2007-01-16 | Terminal equipment, connector, charger and charging method |
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| CN101022278A CN101022278A (en) | 2007-08-22 |
| CN101022278B true CN101022278B (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100002435A Active CN101022278B (en) | 2007-01-16 | 2007-01-16 | Terminal equipment, connector, charger and charging method |
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| CN (1) | CN101022278B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020281A1 (en) * | 2011-08-10 | 2013-02-14 | 深圳市力可普尔电子有限公司 | Intelligently identified charging method and charging device, and connector |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8541984B2 (en) * | 2008-01-28 | 2013-09-24 | Mediatek Inc. | Charging systems capable of determining the kind of coupled device and related methods thereof |
| CN101399862B (en) * | 2008-10-23 | 2014-10-29 | 北京中星微电子有限公司 | Switch circuit for mobile phone and mobile phone construction based thereon |
| CN101989749B (en) * | 2009-08-04 | 2014-03-12 | 联芯科技有限公司 | Charging device and charging method |
| CN101986504A (en) * | 2010-10-08 | 2011-03-16 | 苏州佳世达电通有限公司 | Adapter, electronic device and charging method thereof |
| CN102087639B (en) * | 2010-11-30 | 2015-05-20 | 中兴通讯股份有限公司 | Method for starting USB (Universal Serial Bus) state machine as well as terminal |
| MY169838A (en) * | 2011-12-28 | 2019-05-16 | Intel Corp | Power management for data ports |
| CN103107575B (en) | 2013-01-18 | 2015-07-29 | 华为终端有限公司 | Charging method, mobile device, charging device and charging system |
| CN105450843A (en) * | 2014-09-28 | 2016-03-30 | 中兴通讯股份有限公司 | Method and device of arranging operation mode of mobile terminal |
| CN105450202B (en) * | 2015-12-14 | 2017-11-21 | 武汉芯昌科技有限公司 | It is a kind of with set and the data input master-slave D flip-flop of the multiplexing of reset signal two |
| CN109494822B (en) * | 2017-09-13 | 2024-05-24 | 西安中兴新软件有限责任公司 | Terminal equipment, charger, charging system and charging method |
| CN109660646B (en) * | 2019-01-31 | 2021-01-26 | 华勤技术股份有限公司 | Connecting module and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402495A (en) * | 2001-08-10 | 2003-03-12 | 精工爱普生株式会社 | Power supply control circuit, electronic apparatus and charging method thereof |
| CN2554855Y (en) * | 2002-04-03 | 2003-06-04 | 李明 | Multipurpose charger |
| CN1435987A (en) * | 2002-02-01 | 2003-08-13 | Lg电子株式会社 | Integrated radio local loop system |
-
2007
- 2007-01-16 CN CN2007100002435A patent/CN101022278B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402495A (en) * | 2001-08-10 | 2003-03-12 | 精工爱普生株式会社 | Power supply control circuit, electronic apparatus and charging method thereof |
| CN1435987A (en) * | 2002-02-01 | 2003-08-13 | Lg电子株式会社 | Integrated radio local loop system |
| CN2554855Y (en) * | 2002-04-03 | 2003-06-04 | 李明 | Multipurpose charger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020281A1 (en) * | 2011-08-10 | 2013-02-14 | 深圳市力可普尔电子有限公司 | Intelligently identified charging method and charging device, and connector |
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|---|---|
| CN101022278A (en) | 2007-08-22 |
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