RFM22
Register 61h. Channel Filter Coefficient Value
Bit
D7
D6
D5
D4
D3
chfilval[5:0]
R/W
D2
D1
D0
Reserved
R/W
Name
Type
Reset value = 00000000
Bit
7:6
5:0
Name
Function
Reserved
chfilval[5:0]
Reserved.
Filter Coefficient Value in the Look-up Table Addressed by the chfiladd[3:0].
Register 62h. Crystal Oscillator/Power-on-Reset Control
Bit
D7
D6
pwst[2:0]
R
D5
D4
clkhyst
R/W
D3
enbias2x
R/W
D2
enamp2x
R/W
D1
bufovr
R/W
D0
enbuf
R/W
Name
Type
Reset value = xxx00100
Bit
Name
Function
Internal Power States of the Module.
LP:
000
001
011
010
111
RDY:
Tune:
TX:
pwst[2:0]
7:5
RX:
clkhyst
enbias2x
enamp2x
4
3
2
Clock Hysteresis Setting.
2 Times Higher Bias Current Enable.
2 Times Higher Amplification Enable.
Output Buffer Enable Override.
If set to 1 then the enbuf bit controls the output buffer.
0: output buffer is controlled by the state machine.
1: output buffer is controlled by the enbuf bit.
Output Buffer Enable.
bufovr
enbuf
1
0
This bit is active only if the bufovr bit is set to 1.
127
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