RFM23 Datasheet, PDF (100/152 Pages) –

RFM23
Register 23h. Clock Recovery Offset 0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
ncoff[7:0]
Type
R/W
Reset value = 10101110
Bit
Name
7:0
ncoff[7:0]
NCO Offset.
See formula above
Function
Register 24h. Clock Recovery Timing Loop Gain 1
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Reserved
crgain[10:8]
Type
R/W
R/W
Reset value = 00000010
Bit
Name
Function
7:3
Reserved Reserved.
2:0
crgain[10:8] Clock Recovery Timing Loop Gain.
The loop gain can be calculated as follows:
2¹⁵ ×Rb×（1+enmanch）
crgain = 2+
rxsor×Fd
Register 25h. Clock Recovery Timing Loop Gain 0
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
crgain[7:0]
Type
R/W
Reset value = 10001111
Bit
Name
7:0
crgain[7:0]
Function
Clock Recovery Timing Loop Gain.
100
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