Data Sheet

CC1101
SWRS061B Page 66 of 93
0x08: PKTCTRL0 – Packet Automation Control
Bit Field Name Reset R/W Description
7 Reserved R0
6 WHITE_DATA 1 R/W Turn data whitening on / off
0: Whitening off
1: Whitening on
5:4 PKT_FORMAT[1:0] 0 (00) R/W Format of RX and TX data
Setting Packet format
0 (00) Normal mode, use FIFOs for RX and TX
1 (01)
Synchronous serial mode, used for backwards
compatibility. Data in on GDO0
2 (10)
Random TX mode; sends random data using PN9
generator. Used for test.
Works as normal mode, setting 0 (00), in RX.
3 (11)
Asynchronous serial mode. Data in on GDO0 and
Data out on either of the GDO0 pins
3 Reserved 0 R0
2 CRC_EN 1 R/W 1: CRC calculation in TX and CRC check in RX enabled
0: CRC disabled for TX and RX
1:0 LENGTH_CONFIG[1:0] 1 (01) R/W Configure the packet length
Setting Packet length configuration
0 (00) Fixed packet length mode. Length configured in
PKTLEN register
1 (01) Variable packet length mode. Packet length
configured by the first byte after sync word
2 (10) Infinite packet length mode
3 (11) Reserved
0x09: ADDR – Device Address
Bit Field Name Reset R/W Description
7:0 DEVICE_ADDR[7:0] 0 (0x00) R/W Address used for packet filtration. Optional broadcast addresses are 0
(0x00) and 255 (0xFF).
0x0A: CHANNR – Channel Number
Bit Field Name Reset R/W Description
7:0 CHAN[7:0] 0 (0x00) R/W The 8-bit unsigned channel number, which is multiplied by the
channel spacing setting and added to the base frequency.