RF65 Datasheet, PDF (56/72 Pages) List of Unclassifed Manufacturers – Low Power Integrated UHF Receiver With -120dBm High Sensitivity

ADVANCED COMMUNICATIONS & SENSING
RF65
DATASHEET
RegFrfLsb
(0x09)
RegOsc1
(0x0A)
RegAfcCtrl
(0x0B)
7-0 Frf(7:0)
7 RcCalStart
6 RcCalDone
5-0 -
7-6 -
5 AfcLowBetaOn
RegLowBat
(0x0C)
4-0 -
7-5 -
4 LowBatMonitor
3 LowBatOn
2-0 LowBatTrim
RegListen1
(0x0D)
7-6 ListenResolIdle
5-4 ListenResolRx
3 ListenCriteria
2-1 ListenEnd
0-
rw
w
0 Triggers the calibration of the RC oscillator when set.
Always reads 0. RC calibration must be triggered in
Standby mode.
r
1 0→ RC calibration in progress
1→ RC calibration is over
r 000001 unused
r
00 unused
rw
0 Improved AFC routine for signals with modulation index
lower than 2. Refer to section 3.4.17 for details
0→ Standard AFC routine
1→ Improved AFC routine
r
00000 unused
r
000 unused
rw
- Real-time (not latched) output of the Low Battery detector,
when enabled.
rw
0 Low Battery detector enable signal
0→ LowBat off
1→ LowBat on
rw
010 Trimming of the LowBat threshold:
000→ 1.695 V
001→ 1.764 V
010→ 1.835 V
011→ 1.905 V
100→ 1.976 V
101→ 2.045 V
110→ 2.116 V
111→ 2.185 V
rw
10 Resolution of Listen modes timings (calibrated RC osc):
0101→ 64 us
1010→ 4.1 ms
1111→ 262 ms
Others→ reserved
rw
01 Resolution of Listen mode Rx time (calibrated RC osc):
00→ reserved
01→ 64 us
10→ 4.1 ms
11→ 262 ms
rw
0 Criteria for packet acceptance in Listen mode:
0→ signal strength is above RssiThreshold
1→ signal strength is above RssiThreshold and
SyncAddress matched
rw
01 Action taken after acceptance of a packet in Listen mode:
00→ chip stays in Rx mode. Listen mode stops and must
be disabled (see section 4.3).
01→ chip stays in Rx mode until PayloadReady or
Timeout interrupt occurs. It then goes to the mode defined
by Mode. Listen mode stops and must be disabled (see
section 4.3).
10→ chip stays in Rx mode until PayloadReady or
Timeout interrupt occurs. Listen mode then resumes in
Idle state. FIFO content is lost at next Rx wakeup.
11→ Reserved
r
0 unused
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