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nRF8001 Development Kit User Guide v2.0
6.3.3
Block diagram
Figure 10
PCA10000 block diagram
6.3.4
Multicolor LED
The Development Dongle (PCA10000) is equipped with a multicolor RGB LED. The LED is connected to
dedicated I/Os on the nRF51822 chip. The connections are shown in
Table 4
.
Table 4
LED connection
The LEDs are active low, meaning that writing a logical zero ‘0’ to the output pin will illuminate the LED.
Figure 11
LED configuration
Color
GPIO
Red
P0.21
Green
P0.22
Blue
P0.23
USB
Voltage regulator
Matching network
nRF51822
Antenna
Segger OB
VBUS
Data
UART
SWD
VCC_nRF
Osc
32.768 kHz
Osc
16 MHz
RGB
LED