beautypg.com

Dac chab register a 0x3a – Sundance SMT942 User Manual

Page 34

background image

User Manual SMT942

Page 34 of 55

Last Edited: 23/08/2011 17:25:00


DAC Chab Register 9 0x39

Setting

Bit 7:3

Description QMC offset b[12:8]

0

0

Setting

Bit 15:8

Description Ser_dac_data[7:0]

0

0


DAC Chab Register A 0x3A.

DAC Chab Register A 0x3A

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

1

Nco_sel

Nco_reg_sel

Qmcorr_reg_sel

Qmoffset_reg_sel

Default

‘00’

‘01’

‘01’

‘01’

0

Ser_dac_data[15:8]

Default

‘00000000’


DAC Chab Register A 0x3A

Setting

Bit 7:0

Description Ser_dac_data[7:0]

0

0

Setting

Bit 9:8

Description qmoffset_reg_sel selects sync for loading the QM offset register

0

‘00’

TXENABLE from FIFO output

0

‘01’

SYNC from FIFO output

1

‘10’

Sync_sif_sig

1

‘11’

Always 0

Setting

Bit 11:10

Description qmcorr_reg_sel selects sync for loading the QM correction register

0

‘00’

TXENABLE from FIFO output

0

‘01’

SYNC from FIFO output

1

‘10’

Sync_sif_sig

1

‘11’

Always 0

Setting

Bit 13:12

Description nco_reg_sel selects sync for loading the NCO register

0

‘00’

TXENABLE from FIFO output

0

‘01’

SYNC from FIFO output

1

‘10’

Sync_sif_sig

1

‘11’

Always 0

Setting

Bit 15:14

Description nco_sel selects sync for loading the NCO accumulator

0

‘00’

TXENABLE from FIFO output

0

‘01’

SYNC from FIFO output

1

‘10’

Sync_sif_sig

1

‘11’

Always 0