Analog Devices AD9912, Manual

Page: 31 / 40

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.