RFM31B Datasheet, PDF (49/63 Pages) List of Unclassifed Manufacturers – ISM RECEIVER

RFM31B
10. Register Table and Descriptions
Table 17. Register Descriptions
Add R/W
Function/Desc
Data
D7
D6
D5
D4
D3
D2
D1
01 R
Device Version
0
0
0
vc[4]
vc[3]
vc[2]
vc[1]
02 R
Device Status
ffovfl
ffunfl
rxffem
headerr
reserved reserved
cps[1]
03 R
Interrupt Status 1
ifferr
Reserved Reserved
irxffafull
iext
Reserved ipkvalid
04 R
Interrupt Status 2
iswdet
ipreaval
ipreainval
irssi
iwut
ilbd
ichiprdy
05 R/W
Interrupt Enable 1
enfferr
Reserved Reserved enrxffafull
enext
Reserved enpkvalid
06 R/W
Interrupt Enable 2
enswdet
enpreaval enpreainval
enrssi
enwut
enlbd
enchiprdy
07 R/W Operating & Function Control 1
swres
enlbd
enwt
x32ksel Reserved
rxon
pllon
08 R/W Operating & Function Control 2
antdiv[2]
antdiv[1]
antdiv[0]
rxmpk
Reserved
enldm
ffclrrx
09 R/W
Crystal Oscillator Load
Capacitance
xtalshft
xlc[6]
xlc[5]
xlc[4]
xlc[3]
xlc[2]
xlc[1]
0A R/W Microcontroller Output Clock
Reserved
Reserved
clkt[1]
clkt[0]
enlfc
mclk[2]
mclk[1]
0B R/W
GPIO0 Configuration
gpio0drv[1] gpio0drv[0]
pup0
gpio0[4]
gpio0[3] gpio0[2]
gpio0[1]
0C R/W
GPIO1 Configuration
gpio1drv[1] gpio1drv[0]
pup1
gpio1[4]
gpio1[3] gpio1[2]
gpio1[1]
0D R/W
GPIO2 Configuration
gpio2drv[1] gpio2drv[0]
pup2
gpio2[4]
gpio2[3] gpio2[2]
gpio2[1]
0E R/W
I/O Port Configuration
Reserved
extitst[2]
extitst[1]
extitst[0]
itsdo
dio2
dio1
0F R/W
ADC Configuration
adcstart/adc-
done
adcsel[2]
adcsel[1]
adcsel[0] adcref[1] adcref[0] adcgain[1]
10 R/W ADC Sensor Amplifier Offset
Reserved
Reserved Reserved Reserved adcoffs[3] adcoffs[2] adcoffs[1]
11 R
ADC Value
adc[7]
adc[6]
adc[5]
adc[4]
adc[3]
adc[2]
adc[1]
12 R/W Temperature Sensor Control
tsrange[1]
tsrange[0]
entsoffs
entstrim
tstrim[3]
tstrim[2]
tstrim[1]
13 R/W Temperature Value Offset
tvoffs[7]
tvoffs[6]
tvoffs[5]
tvoffs[4]
tvoffs[3]
tvoffs[2]
tvoffs[1]
14 R/W Wake-Up Timer Period 1
Reserved
Reserved Reserved
wtr[4]
wtr[3]
wtr[2]
wtr[1]
15 R/W Wake-Up Timer Period 2
wtm[15]
wtm[14]
wtm[13]
wtm[12]
wtm[11]
wtm[10]
wtm[9]
16 R/W Wake-Up Timer Period 3
wtm[7]
wtm[6]
wtm[5]
wtm[4]
wtm[3]
wtm[2]
wtm[1]
17 R
Wake-Up Timer Value 1
wtv[15]
wtv[14]
wtv[13]
wtv[12]
wtv[11]
wtv[10]
wtv[9]
18 R
Wake-Up Timer Value 2
wtv[7]
wtv[6]
wtv[5]
wtv[4]
wtv[3]
wtv[2]
wtv[1]
19 R/W Low-Duty Cycle Mode Duration
ldc[7]
ldc[6]
ldc[5]
ldc[4]
ldc[3]
ldc[2]
ldc[1]
1A R/W Low Battery Detector Threshold Reserved
Reserved Reserved
lbdt[4]
lbdt[3]
lbdt[2]
lbdt[1]
1B R
Battery Voltage Level
0
0
0
vbat[4]
vbat[3]
vbat[2]
vbat[1]
1C R/W
IF Filter Bandwidth
dwn3_bypass
ndec[2]
ndec[1]
ndec[0]
filset[3]
filset[2]
filset[1]
1D R/W AFC Loop Gearshift Override
afcbd
enafc
afcgearh[2] afcgearh[1] afcgearh[0] 1p5 bypass matap
1E R/W
AFC Timing Control
swait_timer[1] swait_timer[0] shwait[2] shwait[1] shwait[0] anwait[2] anwait[1]
1F R/W
Clock Recovery Gearshift
Override
Reserved
Reserved
crfast[2]
crfast[1]
crfast[0] crslow[2] crslow[1]
20 R/W Clock Recovery Oversampling
Ratio
rxosr[7]
rxosr[6]
rxosr[5]
rxosr[4]
rxosr[3]
rxosr[2]
rxosr[1]
21 R/W
Clock Recovery Offset 2
rxosr[10]
rxosr[9]
rxosr[8]
stallctrl
ncoff[19] ncoff[18] ncoff[17]
22 R/W
Clock Recovery Offset 1
ncoff[15]
ncoff[14]
ncoff[13]
ncoff[12]
ncoff[11] ncoff[10]
ncoff[9]
23 R/W
Clock Recovery Offset 0
ncoff[7]
ncoff[6]
ncoff[5]
ncoff[4]
ncoff[3]
ncoff[2]
ncoff[1]
24 R/W Clock Recovery Timing Loop
Gain 1
Reserved
Reserved Reserved rxncocomp crgain2x crgain[10] crgain[9]
25 R/W Clock Recovery Timing Loop
Gain 0
crgain[7]
crgain[6]
crgain[5]
crgain[4] crgain[3] crgain[2] crgain[1]
26 R Received Signal Strength Indi-
cator
rssi[7]
rssi[6]
rssi[5]
rssi[4]
rssi[3]
rssi[2]
rssi[1]
27 R/W
RSSI Threshold for Clear
Channel Indicator
rssith[7]
rssith[6]
rssith[5]
rssith[4]
rssith[3]
rssith[2]
rssith[1]
POR
Default
D0
vc[0]
06h
cps[0]
—
icrcerror
—
ipor
—
encrcerror 00h
enpor
03h
xton
01h
Reserved 00h
xlc[0]
7Fh
mclk[0]
06h
gpio0[0]
00h
gpio1[0]
00h
gpio2[0]
00h
dio0
00h
adcgain[0] 00h
adcoffs[0] 00h
adc[0]
—
tstrim[0]
20h
tvoffs[0]
00h
wtr[0]
03h
wtm[8]
00h
wtm[0]
01h
wtv[8]
—
wtv[0]
—
ldc[0]
00h
lbdt[0]
14h
vbat[0]
—
filset[0]
01h
ph0size
40h
anwait[0] 0Ah
crslow[0] 03h
rxosr[0]
64h
ncoff[16] 01h
ncoff[8]
47h
ncoff[0]
AEh
crgain[8] 02h
crgain[0] 8Fh
rssi[0]
—
rssith[0]
1Eh
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