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13
GE2015
Dev Board User Guide
Note: SIDO interface is not support currently
15
Jumper between SD card and SDIO
interface (TP13)
Jumper between SD card slot and SDIO signal, SD card holder (X15) can be available after jumper connection.
16
SD card holder (X15)
SD card holder, support SD card plug detection.
17
Extended interface interface (X16)
Extended GPIO interface.
18
Analog audio interface (X6)
Analog audio interface, including both left&right audio channel of earpiece and MIC interface, it can be used to
connect external earphone or other audio devices.
19
ADC interface (X2)
ADC detection interface.
20
Interface board 5VUSB power (TP16)
5VUSB from baseboard will be input to module on interface board after jumper connection.
21
AP wake-up module button (S1)
For module wake-up, when press this button (rising edge) wakeup module; when release this button (falling edge)
the module can enter sleep.
22
Interface between GE2015 baseboard
and interface board (X14)
Interface between GE2015 debug board and interface board
23
Interface between GE2015 baseboard
and interface board (X11)
Interface between GE2015 debug board and interface board
24
Interface between GE2015 baseboard
and interface board (X13)
Interface between GE2015 debug board and interface board
25
SPI to UART chip (D1)
The chip for changing SPI to UART signal, model is XR20M1170.
26
UART to RS232 interface chip (D12)
The chip for changing UART signal to RS232 interface, model is MAX3238.
27
UART to RS232 interface chip (D19)
The chip for changing UART signal to RS232 interface, model is MAX3238.
28
UART to USB interface chip (U2)
The chip for changing UART signal to USB interface, model is FT232.
29
UART to RS232 interface chip (D18)
The chip for changing UART signal to RS232 interface, model is MAX3238.
30
UART to USB interface chip (U1)
The chip for changing UART signal to USB interface, model is FT232.
31
Jumper (TP15)
This button is connected to the PWR_ON signal of TP15 module interface, the PWR_ON signal is set to low and the
module will start up.
NOTE:
The silk printing and the schematic diagram of GE2015_DB_MB_B are shown in appendix.