User Manual

datasheet
Version 0.9
2017-09-13
deRFsamR21E-23S00/-23S20 datasheet
www.dresden-elektronik.de
Page 8 of 36
Figure 5-3 shows the block diagram of the radio module deRFsamR21E-23S20 with RF-out
pad.
ATSAMR21E18
Balun &
Harmonic
Filter
12 GPIO
4Mbit Serial Flash
SPI
SPI
VCC
RF-out
Figure 5-3: Block diagram deRFsamR21E-23S20 with RF-out pad used