User Manual

AT04357 RCB256RFR2-XPRO User Guide [USER GUIDE]
TBDA-MCU-09/2013
13
4. Hardware user guide
4.1 Board overview
4.2 Headers and connectors
The extension board connectors.
4.2.1 J100 Xplained Pro extension connector
The Xplained Pro extension connectors, used to connect the extension board to the Xplained Pro board.
Table 4-1. J100 Xplained Pro extension header
Pin
number
Name mega256RFR2
pin
Description
1 ID Communication line to the ID chip on extension board.
2 GND Ground
3 ADC(+) NC
4 ADC(-) NC (R7 NM) DIG2
5 GPIO1 49-PE3 General purpose IO
6 GPIO2 NC (R6 NM) CLK_OUT - can be disconnected by not mounting R6
7 PWM(+) 12-RSTN RESET to Extension board
8 PWM(-) 33-CLKI FEM_SEL, disable AMP to save power
9 IRQ/GPIO 32-PD7 Interrupt request line to uC on Xplained Pro board
10 SPI_SS_B/GPIO 50-PE4 (INT4) Wake up interrupt to RF
11 TWI_SDA 26-PD1 Data line for two wire interface. Always implemented,
bus type.
12 TWI_SCL 25-PD0 Clock line for two wire interface. Always implemented,
bus type.