NRF52840 Eval Kit User Manual
Vision: V1.0.1 Date: 2019.01.19
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The serial is redirected in the codes, for using printf function to print data to uart
interface. In the main.c, serial port will keep receiving data, and if corresponding data
are received, LEDs will behavior according to it.
When 1 is received, LED1 is on, and turned off if receiving 2. Turn LED2 on if 3 and
turn off if 4 similarly.
HARDWARE
The schematic of serial part is as below:
H1 and H2 are jumpers of UART pins. CP2102 is accessed to NRF52840 only when
jumpers H1 and H2 are inserted.
UART
GPIO
CPTX
P0.06
CPRX
P0.08
CPRTS
P0.25
CPCTS
P0.07
