Specifications

CC1101
SWRS061I Page 74 of 98
0x08: PKTCTRL0 – Packet Automation Control
Bit
Field Name
Reset
R/W
Description
7
R0
Not used
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, Data in on GDO0 and
data out on either of the GDOx pins
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 GDOx pins
3
0
R0
Not used
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.