User's Manual

DFCE-NNN40-DTxR
mbed Kit User Guide Sheet 13 of 15 Aug 11, 2015
Proprietary Information and Specifications are Subject to Change
4.5 Button and LED
The two user buttons and two LEDs on the mbed kit board are connected to dedicate I/Os on
the nRF51822 chip. The connections are shown in blew table.
Part GPIO Short
Button0 P16
Button1 P17
LED0 (LD7) P07 R132
LED1 (LD6) P13 R123
4.6 UART Configuration
Below table shows an overview of the UART connections on DELTA DFCM-NNN40, refer to
section 3.3 to setup the Virtual Com Port on your PC
nRF51822
Default GPIO UART
P25 TXD
P23 RXD