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.
