RFM22B Datasheet, PDF (59/74 Pages) List of Unclassifed Manufacturers – ISM TRANSCEIVER MODULE

RFM22B/23B
10. Register Table and Descriptions
Table 18. Register Descriptions
Add R/W
Function/Desc
Data
POR
D7
D6
D5
D4
D3
D2
D1
D0
Default
00 R
Device Type
0
0
0
dt[4]
dt[3]
dt[2]
dt[1]
dt[0]
00111
01 R
Device Version
0
0
0
vc[4]
vc[3]
vc[2]
vc[1]
vc[0]
06h
02 R
Device Status
ffovfl
ffunfl
rxffem
headerr
reserved reserved
cps[1]
cps[0]
—
03 R
Interrupt Status 1
ifferr
itxffafull
itxffaem
irxffafull
iext
ipksent
ipkvalid
icrcerror
—
04 R
Interrupt Status 2
iswdet
ipreaval
ipreainval
irssi
iwut
ilbd
ichiprdy
ipor
—
05 R/W
Interrupt Enable 1
enfferr
entxffafull entxffaem enrxffafull
enext
enpksent enpkvalid encrcerror 00h
06 R/W
Interrupt Enable 2
enswdet
enpreaval enpreainval
enrssi
enwut
enlbd
enchiprdy
enpor
03h
07 R/W Operating & Function Control 1
swres
enlbd
enwt
x32ksel
txon
rxon
pllon
xton
01h
08 R/W Operating & Function Control 2
antdiv[2]
antdiv[1]
antdiv[0]
rxmpk
autotx
enldm
ffclrrx
ffclrtx
00h
09 R/W
Crystal Oscillator Load
Capacitance
xtalshft
xlc[6]
xlc[5]
xlc[4]
xlc[3]
xlc[2]
xlc[1]
xlc[0]
7Fh
0A R/W Microcontroller Output Clock
Reserved
Reserved
clkt[1]
clkt[0]
enlfc
mclk[2]
mclk[1]
mclk[0]
06h
0B R/W
GPIO0 Configuration
gpio0drv[1] gpio0drv[0]
pup0
gpio0[4]
gpio0[3] gpio0[2]
gpio0[1]
gpio0[0]
00h
0C R/W
GPIO1 Configuration
gpio1drv[1] gpio1drv[0]
pup1
gpio1[4]
gpio1[3] gpio1[2]
gpio1[1]
gpio1[0]
00h
0D R/W
GPIO2 Configuration
gpio2drv[1] gpio2drv[0]
pup2
gpio2[4]
gpio2[3] gpio2[2]
gpio2[1]
gpio2[0]
00h
0E R/W
I/O Port Configuration
Reserved
extitst[2]
extitst[1]
extitst[0]
itsdo
dio2
dio1
dio0
00h
0F R/W
ADC Configuration
adcstart/adc-
done
adcsel[2]
adcsel[1]
adcsel[0] adcref[1] adcref[0] adcgain[1] adcgain[0] 00h
10 R/W ADC Sensor Amplifier Offset
Reserved
Reserved Reserved Reserved adcoffs[3] adcoffs[2] adcoffs[1] adcoffs[0] 00h
11 R
ADC Value
adc[7]
adc[6]
adc[5]
adc[4]
adc[3]
adc[2]
adc[1]
adc[0]
—
12 R/W Temperature Sensor Control
tsrange[1]
tsrange[0]
entsoffs
entstrim
tstrim[3]
tstrim[2]
tstrim[1]
tstrim[0]
20h
13 R/W Temperature Value Offset
tvoffs[7]
tvoffs[6]
tvoffs[5]
tvoffs[4]
tvoffs[3]
tvoffs[2]
tvoffs[1]
tvoffs[0]
00h
14 R/W Wake-Up Timer Period 1
Reserved
Reserved Reserved
wtr[4]
wtr[3]
wtr[2]
wtr[1]
wtr[0]
03h
15 R/W Wake-Up Timer Period 2
wtm[15]
wtm[14]
wtm[13]
wtm[12]
wtm[11]
wtm[10]
wtm[9]
wtm[8]
00h
16 R/W Wake-Up Timer Period 3
wtm[7]
wtm[6]
wtm[5]
wtm[4]
wtm[3]
wtm[2]
wtm[1]
wtm[0]
01h
17 R
Wake-Up Timer Value 1
wtv[15]
wtv[14]
wtv[13]
wtv[12]
wtv[11]
wtv[10]
wtv[9]
wtv[8]
—
18 R
Wake-Up Timer Value 2
wtv[7]
wtv[6]
wtv[5]
wtv[4]
wtv[3]
wtv[2]
wtv[1]
wtv[0]
—
19 R/W Low-Duty Cycle Mode Duration
ldc[7]
ldc[6]
ldc[5]
ldc[4]
ldc[3]
ldc[2]
ldc[1]
ldc[0]
00h
1A R/W Low Battery Detector Threshold Reserved
Reserved Reserved
lbdt[4]
lbdt[3]
lbdt[2]
lbdt[1]
lbdt[0]
14h
1B R
Battery Voltage Level
0
0
0
vbat[4]
vbat[3]
vbat[2]
vbat[1]
vbat[0]
—
1C R/W
IF Filter Bandwidth
dwn3_bypass
ndec[2]
ndec[1]
ndec[0]
filset[3]
filset[2]
filset[1]
filset[0]
01h
1D R/W AFC Loop Gearshift Override
afcbd
enafc
afcgearh[2] afcgearh[1] afcgearh[0] 1p5 bypass matap
ph0size
40h
1E R/W
AFC Timing Control
swait_timer[1] swait_timer[0] shwait[2] shwait[1] shwait[0] anwait[2] anwait[1] anwait[0] 0Ah
1F R/W
Clock Recovery Gearshift
Override
Reserved
Reserved
crfast[2]
crfast[1]
crfast[0] crslow[2] crslow[1] crslow[0] 03h
20 R/W Clock Recovery Oversampling
Ratio
rxosr[7]
rxosr[6]
rxosr[5]
rxosr[4]
rxosr[3]
rxosr[2]
rxosr[1]
rxosr[0]
64h
21 R/W
Clock Recovery Offset 2
rxosr[10]
rxosr[9]
rxosr[8]
stallctrl
ncoff[19] ncoff[18] ncoff[17] ncoff[16] 01h
22 R/W
Clock Recovery Offset 1
ncoff[15]
ncoff[14]
ncoff[13]
ncoff[12]
ncoff[11] ncoff[10]
ncoff[9]
ncoff[8]
47h
23 R/W
Clock Recovery Offset 0
ncoff[7]
ncoff[6]
ncoff[5]
ncoff[4]
ncoff[3]
ncoff[2]
ncoff[1]
ncoff[0]
AEh
24 R/W Clock Recovery Timing Loop
Gain 1
Reserved
Reserved Reserved rxncocomp crgain2x crgain[10] crgain[9] crgain[8] 02h
25 R/W Clock Recovery Timing Loop
Gain 0
crgain[7]
crgain[6]
crgain[5]
crgain[4] crgain[3] crgain[2] crgain[1] crgain[0] 8Fh
26 R Received Signal Strength Indi-
cator
rssi[7]
rssi[6]
rssi[5]
rssi[4]
rssi[3]
rssi[2]
rssi[1]
rssi[0]
—
27 R/W
RSSI Threshold for Clear
Channel Indicator
rssith[7]
rssith[6]
rssith[5]
rssith[4]
rssith[3]
rssith[2]
rssith[1]
rssith[0]
1Eh
28 R Antenna Diversity Register 1
adrssi1[7]
adrssia[6] adrssia[5] adrssia[4] adrssia[3] adrssia[2] adrssia[1] adrssia[0]
—
29 R Antenna Diversity Register 2
adrssib[7]
adrssib[6] adrssib[5] adrssib[4] adrssib[3] adrssib[2] adrssib[1] adrssib[0]
—
2A R/W
AFC Limiter
Afclim[7]
Afclim[6]
Afclim[5]
Afclim[4]
Afclim[3] Afclim[2] Afclim[1] Afclim[0]
00h
2B R
AFC Correction Read
afc_corr[9]
afc_corr[8] afc_corr[7] afc_corr[6] afc_corr[5] afc_corr[4] afc_corr[3] afc_corr[2] 00h
2C R/W
OOK Counter Value 1
afc_corr[9]
afc_corr[9] ookfrzen peakdeten madeten ookcnt[10] ookcnt[9] ookcnt[8] 18h
2D R/W
OOK Counter Value 2
ookcnt[7]
ookcnt[6]
ookcnt[5]
ookcnt[4] ookcnt[3] ookcnt[2] ookcnt[1] ookcnt[0] BCh
2E R/W
Slicer Peak Hold
Reserved
attack[2]
attack[1]
attack[0]
decay[3] decay[2] decay[1]
decay[0]
26h
2F
Reserved
30 R/W
Data Access Control
enpacrx
lsbfrst
crcdonly
skip2ph
enpactx
encrc
crc[1]
crc[0]
8Dh
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