CC1110Fx / CC1111Fx
0xDF05: ADDR – Device Address
Bit Field Name
Reset
R/W
Description
7:0 DEVICE_ADDR[7:0]
0x00
R/W
Address used for packet filtration. Optional broadcast addresses
are 0 (0x00) and 255 (0xFF).
0xDF06: CHANNR – Channel Number
Bit Field Name
Reset
R/W
Description
7:0 CHAN[7:0]
0x00
R/W
The 8-bit unsigned channel number, which is multiplied by the channel
spacing setting and added to the base frequency.
0xDF07: FSCTRL1 – Frequency Synthesizer Control
Bit Field Name
Reset
R/W
Description
7:6
-
R0
Not used
Reserved
5
0
R/W
R/W
4:0 FREQ_IF[4:0]
01111
The desired IF frequency to employ in RX. Subtracted from FS base
frequency in RX and controls the digital complex mixer in the
demodulator.
fref
210
fIF
=
⋅ FREQ _ IF
The default value gives an IF frequency of 381 kHz when fRef = 26 MHz
and 352 kHz when fRef = 24 MHz.
0xDF08: FSCTRL0 – Frequency Synthesizer Control
Bit Field Name
Reset
R/W
Description
7:0 FREQOFF[7:0]
0x00
R/W
Frequency offset added to the base frequency before being used by the
FS. (2’s complement).
Resolution is fRef /214
Range is ±186 kHz to ±209 kHz for CC1110Fx and ±186 kHz for CC1111Fx
0xDF09: FREQ2 – Frequency Control Word, High Byte
Bit
Field Name
Reset
R/W
Description
7:6
5:0
FREQ[23:22]
FREQ[21:16]
01
R
FREQ[23:22]
11110
R/W
FREQ[23:0] is the base frequency for the frequency synthesizer in
increments of fRef /216.
fref
216
fcarrier
=
[
⋅ FREQ 23:0
]
0xDF0A: FREQ1 – Frequency Control Word, Middle Byte
Bit
Field Name
Reset
R/W
Description
7:0
FREQ[15:8]
11000100
R/W
Ref. FREQ2register
0xDF0B: FREQ0 – Frequency Control Word, Low Byte
Bit
Field Name
Reset
R/W
Description
7:0
FREQ[7:0]
11101100
R/W
Ref. FREQ2register
SWRS033E
Page 211 of 239
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
