User Manual

2. Radio Board Connector
2.1 Introduction
The board-to-board connector scheme allows access to all BGM220SC12 GPIO pins as well as the RESETn signal. For more informa-
tion on the functions of the available pins, see the BGM220SC12 data sheet.
2.2 Radio Board Connector Pin Associations
The figure below shows the mapping between the connector and the BGM220SC12 pins and their function on the Wireless Starter Kit
Mainboard.
GND
F9 / PA07 / VCOM_RTS
3v3
NC / P36
P200
Upper Row
NC / P38
NC / P40
DBG_TDO_SWO / PA03 / P42
NC / P44
DBG_TMS_SWDIO / PA02 / F0
DISP_ENABLE / PD03 / F14
UIF_BUTTON0 / UIF_LED0 / PB00 / F12
UIF_BUTTON0 / UIF_LED0 / PB00 / F10
VCOM_CTS / PA08 / F8
DBG_RESET / #RESET / F4
DBG_TDO_SWO / PA03 / F2
DISP_MOSI / PC00 / F16
VCOM_TX / PA05 / F6
PTI_DATA / PC04 / F20
DISP_EXTCOMIN / PA00 / F18
USB_VBUS
5V
Board ID SCL
GND
Board ID SDA
USB_VREG
F7 / PA06 / VCOM_RX
F5 / PB04 / VCOM_ENABLE
F3 / PA04* / DBG_TDI*
F1 / PA01 / DBG_TCK_SWCLK
P45 / NC
P43 / NC
P41 / PA04* / DBG_TDI*
P39 / NC
P37 / PD02 / SENSOR_ENABLE
F11 / PB01 / UIF_BUTTON1 / UIF_LED1
F13 / PB01 / UIF_BUTTON1 / UIF_LED1
F15 / PC02 / DISP_SCLK
F17 / PC06 / DISP_SCS
F19 / PC05 / PTI_SYNC
F21 / NC
GND
VMCU_IN
PC01** / P0
P201
Lower Row
PC03*** / P2
UIF_BUTTON0 / UIF_LED0 / PB00 / P4
UIF_BUTTON1 / UIF_LED1 / PB01 / P6
GND
VRF_IN
P35 / PD03 / DISP_ENABLE
P7 / PC03***
P5 / PC02 / DISP_SCLK
P3 / PC01**
P1 / PC00 / DISP_MOSI
P33 / NC
P31 / NC
P29 / PC06 / DISP_SCS
P27 / PC05 / PTI_SYNC
P25 / PC04 / PTI_DATA
P23 / NC
P21 / PA08 / VCOM_CTS
P19 / PA07 / VCOM_RTS
P17 / NC
P15 / PB04 / VCOM_ENABLE
P13 / PB03
P11 / PA06 / VCOM_RX
P9 / PA05 / VCOM_TX
NC / P34
NC / P32
NC / P30
NC / P28
NC / P26
NC / P24
DBG_TDI* / PA04 / P22
DBG_TDO_SWO / PA03 / P20
DBG_TMS_SWDIO / PA02 / P18
DBG_TCK_SWCLK / PA01 / P16
DISP_EXTCOMIN / PA00 / P14
PB02 / P12
NC / P10
NC / P8
* Optional 0R resistor should be mounted to enable this connection. (Mutually exclusive with FLASH_SCS.)
** Mutually exclusive connection. Default: PC01 to P3.
*** Mutually exclusive connection. Default: PC03 to P7.
Figure 2.1. BRD4310A Radio Board Connector Pin Mapping
BRD4310A Reference Manual
Radio Board Connector
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