Datasheet

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Register Name: SER_DATA_1 — Address: 0x07, Default = 0x00
Register Name: BYPASS_MASK_CNTL — Address: 0x08, Default = 0x00
Register Name: NCO_FREQ_0 — Address: 0x09, Default = 0x00
Register Name: NCO_FREQ_1 — Address: 0x0A, Default = 0x00
Register Name: NCO_FREQ_2 — Address: 0x0B, Default = 0x00
Register Name: NCO_FREQ_3 — Address: 0x0C, Default = 0x40
Register Name: NCO_PHASE_0 — Address: 0x0D, Default = 0x00
DAC5687
SLWS164E – FEBRUARY 2005 – REVISED SEPTEMBER 2006
BIT 7 BIT 0
dac_data(15:8)
0 0 0 0 0 0 0 0
dac_data(15:8): Upper 8 bits of DAC data input to the DACs when dac_ser_data is set.
BIT 7 BIT 0
fast_latch bp_ invsinc bp_fir3 bp_qmc bp_fmix bp_fir2 bp_fir1 nco_only
0 0 0 0 0 0 0 0
These modes are for factory use only – leave as default.
BIT 7 BIT 0
freq(7:0)
0 0 0 0 0 0 0 0
freq(7:0): Bits 7:0 of the NCO frequency word.
BIT 7 BIT 0
freq(15:8)
0 0 0 0 0 0 0 0
freq(15:8): Bits 15:8 of the NCO frequency word.
BIT 7 BIT 0
freq(23:16)
0 0 0 0 0 0 0 0
freq(23:16): Bits 23:16 of the NCO frequency word.
BIT 7 BIT 0
freq(31:24)
0 1 0 0 0 0 0 0
freq(31:24): Bits 31:24 of the NCO frequency word.
BIT 7 BIT 0
phase(7:0)
0 0 0 0 0 0 0 0
phase(7:0): Bits 7:0 of the NCO phase offset word.
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