Analog Inputs; Swd Interface - Nordic nRF51822 User Manual

5.1.5

Analog Inputs

Direct access to the nRF51822 analog input is available on connector P5 on the nRF51822DKmodule.
Note: P5 is not mounted on the board.
The analog inputs are routed through the extension connectors to the Motherboard. To avoid noise from

the Motherboard, the 0
Figure 13 Analog inputs connector P5 on the nRF51822 DK board
5.1.6

SWD interface

The programming and debugging interface is accessed through the 10 pin connector P3 on the nRF51822
DK module.
Pin
1
2
3
4
5
6
7
8
9
10
resistors must be removed.
AIN0 1
AIN2 3
AIN4 5
AIN6 7
AREF0 9
VTG 1
GND 3
GND 5
NC 7
GND 9
Figure 14 SWD interface connector P3
Label Description
VTG Reference voltage for programmer
SWDIO Serial Wire Debug Data
GND Ground
SWDCLK Serial Wire Debug Clock
GND Ground
NC No Connection
NC No Connection
NC No Connection
GND Ground
NC No Connection
Table 1 SWD interface connector pin description
Page 22 of 59
nRF51822 Development Kit User Guide v1.0
2 AIN1
4 AIN3
6 AIN5
8 AIN7
10 GND
2 SWDIO
4 SWDCLK
6 NC
8 NC
10 NC