Sundance SMT950 User Manual
Page 43

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’