13 update register – 0xd – Sundance SMT349 User Manual
Page 29
Version 2.1
Page 29 of 32
SMT349 User Manual
12.4.12
IF/RF Synthesizer Register 8 – 0xB.
For more details, refer to Si4136 datasheet.
IF/RF Synthesizer Register 8 – 0x0B
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
Reserved RIF
Default
‘000’ ‘00000’
0
RIF
Default
‘00000000’
IF/RF Synthesizer Register 8 – 0x0B
Setting
Bit 12…0
Description – RIF (R Divider for IF Synthesizer)
0
RIF : 7 to 8189 if Kpl = ‘00’
8 to 8189 if Kpl = ‘01’
10 to 8189 if Kpl = ‘10’
14 to 8189 if Kpl = ‘11’
12.4.13
Update Register – 0xD.
Update Register – 0xD
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Reserved Reserved
RF/IF
Synthesizer
Update
Default
‘000000’
‘0’
Update Register – 0xD
Setting
Bit 0
Description
0
0 Normal
Mode.
1
1
Loads RF/IF Registers into the Synthesizer.
Note: The Update bits get cleared automatically.
Default
‘00000000’