Data Sheet

Page 101
RFM95/96/97/98(W)
Tel: + 86-755-82973805 Fax: [phone] E-mail: [e-mail] http:/ / www.hoperf.com
WIRELESS & SENSING PRELIMINARY DATASHEET
Table 88 High Frequency Additional Registers
Name
(Address)
Bits
Variable Name
Mode
Default
value
Low Frequency Additional Registers
7-6 unused r - unused
RegAgcRefHf
(0x61)
5-0 AgcReferenceLevel rw 0x1c
Sets the floor reference for all AGC thresholds:
AGC Reference[dBm]=
-174dBm+10*log(2*RxBw)+SNR+AgcReferenceLevel
SNR = 8dB, fixed value
7-5 unused r - unused
RegAgcThresh1Hf
(0x62)
4-0 AgcStep1 rw 0x0e Defines the 1st AGC Threshold
7-4 AgcStep2 rw 0x05 Defines the 2nd AGC Threshold:
RegAgcThresh2Hf
(0x63)
3-0 AgcStep3 rw 0x0b Defines the 3rd AGC Threshold:
7-4 AgcStep4 rw 0x0c Defines the 4th AGC Threshold:
RegAgcThresh3Hf
(0x64)
3-0 AgcStep5 rw 0x0c Defines the 5th AGC Threshold:
7-6 PllBandwidth rw 0x03
Controls the PLL bandwidth:
00 Æ 75 kHz 10 Æ 225 kHz
01 Æ 150 kHz 11 Æ 300 kHz
RegPllHf
(0x70)
5-0 reserved rw 0x10 reserved. Retain default value