beautypg.com

13 update register – 0xd – Sundance SMT349 User Manual

Page 29

background image

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’