BLE 5, Thread, Zigbee Modules,BT840X/XE
Ver 1.11 April 2019
19
Control Skyworks Power Amplifier
BT840X uses SKYWORKS SKY66112-11 power amplifier. The connection diagram with control signal pins is
below.
A firmware configuration example to contol Skyworks SKY66112 power amplifier is below. This firmware file,
SKY66112_PAconfig.txt can be downloaded from
http://www.fanstel.com/download-document/
.
//PCA10040.h
//set the clock
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_SYNTH, \
.rc_ctiv = 0, \
.rc_temp_ctiv = 0, \
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_250_PPM}