AD9912
Rev. D | Page 31 of 40
Addr
(Hex)
Type
1
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
(Hex)
Calibration (user-accessible trim)
0x0400
to
0x040A
Reserved
0x00
0x040B
DAC full-
scale
current
DAC full-scale current, Bits[7:0]
0xFF
0x040C
DAC full-scale current,
Bits[9:8]
0x01
0x040D
Reserved
0x00
0x040E
Reserved
0x10
0x040F
and
0x0410
Reserved
0x00
Harmonic spur reduction
0x0500
M
Spur A
HSR-A
enable
Amplitude
gain × 2
Spur A harmonic, Bits[3:0]
0x00
0x0501
M
Spur A magnitude, Bits[7:0]
0x00
0x0503
M
Spur A phase, Bits[7:0]
0x00
0x0504
M
Spur A
phase, Bit 8
0x00
0x0505
M
Spur B
HSR-B
enable
Amplitude
gain × 2
Spur B harmonic, Bits[3:0]
0x00
0x0506
M
Spur B magnitude, Bits[7:0]
0x00
0x0508
M
Spur B phase, Bits[7:0]
0x00
0x0509
M
Spur B
phase, Bit 8
0x00
1
Types of registers: M = mirrored (also called buffered). This type of register needs an I/O update for the new value to take effect; RO = read-only; AC = autoclear.