Chapter 23
SWRU191C–April 2009– Revised January 2012
CC253x Radio
The RF Core controls the analog radio modules. In addition, it provides an interface between the MCU
and the radio which makes it possible to issue commands, read status, and automate and sequence radio
events.
Topic ........................................................................................................................... Page
23.1 RF Core .......................................................................................................... 220
23.2 FIFO Access ................................................................................................... 224
23.3 DMA ............................................................................................................... 224
23.4 Memory Map ................................................................................................... 224
23.5 Frequency and Channel Programming ............................................................... 226
23.6 IEEE 802.15.4-2006 Modulation Format ............................................................... 226
23.7 IEEE 802.15.4-2006 Frame Format ...................................................................... 228
23.8 Transmit Mode ................................................................................................ 229
23.9 Receive Mode .................................................................................................. 233
23.10 RXFIFO Access .............................................................................................. 243
23.11 Radio Control State Machine ........................................................................... 245
23.12 Random-Number Generation ........................................................................... 247
23.13 Packet Sniffing and Radio Test Output Signals .................................................. 248
23.14 Command Strobe/CSMA-CA Processor ............................................................. 249
23.15 Registers ....................................................................................................... 266
219
SWRU191C–April 2009–Revised January 2012 CC253x Radio
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