Data Sheet

Page 101
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com 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
RegAgcRefHf
(0x61)
7-6
unused
r
-
unused
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
RegAgcThresh1Hf
(0x62)
7-5
unused
r
-
unused
4-0
AgcStep1
rw
0x0e
Defines the 1st AGC Threshold
RegAgcThresh2Hf
(0x63)
7-4
AgcStep2
rw
0x05
Defines the 2nd AGC Threshold:
3-0
AgcStep3
rw
0x0b
Defines the 3rd AGC Threshold:
RegAgcThresh3Hf
(0x64)
7-4
AgcStep4
rw
0x0c
Defines the 4th AGC Threshold:
3-0
AgcStep5
rw
0x0c
Defines the 5th AGC Threshold:
RegPllHf
(0x70)
7-6
PllBandwidth
rw
0x03
Controls the PLL bandwidth:
00 75 kHz 10 225 kHz
01 150 kHz 11 300 kHz
5-0
reserved
rw
0x10
reserved. Retain default value