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Sundance SMT950 User Manual

Page 43

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Version 2.0

Page 43 of 52

SMT950 User Manual

DAC (DAC5687) Register 0x0 – 0x30
For more details, refer to DAC5687 datasheet.

DAC (DAC5687) Register 0x0 – 0x30

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

sleep_dac

a

sleep_dacb hpla Hplb unused

version[2:0]

Default

‘0’ ‘0’ ‘0’ ‘0’ ‘0’

‘011’

1

pll_div[1:0] pll_freq

pll_kv interp[1:0] inv_plllock

fifo_bypass

Default

‘00 ‘0’

‘0’ ‘00’ ‘0’

‘0’


DAC (DAC5687) Register 0x1 – 0x31
For more details, refer to DAC5687 datasheet.

DAC (DAC5687) Register 0x1 – 0x31

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

qflag interl

dual_clk

Twos

rev_abus

rev_bbus

fir_bypass

full_bypass

Default

‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’

1

nco nco_gain qmc

cm_mode[3:0]

invsinc

Default

‘1’ ‘0’ ‘0’

‘0000’

‘0’


DAC (DAC5687) Register 0x2 – 0x32
For more details, refer to DAC5687 datasheet.

DAC (DAC5687) Register 0x2 – 0x32

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

sif_4pin dac_ser_dat

a

half_rate Unused

usb

counter_mode[2:0]

Default

‘0’ ‘0’ ‘0’ ‘0’ ‘0’

‘000’

1

sync_phst

r

sync_nco sync_cm

sync_fifo[2:0]

unused

unused

Default

‘0’ ‘0’ ‘0’

‘000’

‘0’ ‘0’


DAC (DAC5687) Register 0x3 – 0x33
For more details, refer to DAC5687 datasheet.

DAC (DAC5687) Register 0x3 – 0x33

Byte

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0

dac_data[7:0]

Default

‘00000000’

1

dac_data[15:8]

Default

‘00000000’