Datasheet

Data Sheet AD9910
Rev. D | Page 53 of 64
Register
Name
(Serial
Address)
Bit Range
(Internal
Address)
Bit 7
(MSB) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 (LSB)
Default
Value
1
(Hex)
Single Tone
Profile 3
(0x11)
63:56 Open Amplitude Scale Factor 3[13:8] 0x00
55:48
Amplitude Scale Factor 3[7:0]
0x00
47:40 Phase Offset Word 3[15:8] 0x00
39:32 Phase Offset Word 3[7:0] 0x00
31:24 Frequency Tuning Word 3[31:24] 0x00
23:16 Frequency Tuning Word 3[23:16] 0x00
15:8 Frequency Tuning Word 3[15:8] 0x00
7:0 Frequency Tuning Word 3[7:0] 0x00
RAM
Profile 3
(0x11)
63:56 Open 0x00
55:48 RAM Profile 3 address step rate[15:8] 0x00
47:40
RAM Profile 3 address step rate[7:0]
0x00
39:32 RAM Profile 3 waveform end address[9:2] 0x00
31:24
RAM Profile 3 waveform
end address[1:0]
Open 0x00
23:16
RAM Profile 3 waveform start address[9:2]
0x00
15:8
RAM Profile 3 waveform
start address[1:0]
Open 0x00
7:0
Open No-dwell
high
Open Zero-
crossing
RAM Profile 3 mode control[2:0]
0x00
Single Tone
Profile 4
(0x12)
63:56 Open Amplitude Scale Factor 4[13:8] 0x00
55:48 Amplitude Scale Factor 4[7:0] 0x00
47:40 Phase Offset Word 4[15:8] 0x00
39:32 Phase Offset Word 4[7:0] 0x00
31:24
Frequency Tuning Word 4[31:24]
0x00
23:16 Frequency Tuning Word 4[23:16] 0x00
15:8 Frequency Tuning Word 4[15:8] 0x00
7:0 Frequency Tuning Word 4[7:0] 0x00
RAM
Profile 4
(0x12)
63:56 Open 0x00
55:48 RAM Profile 4 address step rate[15:8] 0x00
47:40 RAM Profile 4 address step rate[7:0] 0x00
39:32 RAM Profile 4 waveform end address[9:2] 0x00
31:24 RAM Profile 4 waveform
end address[1:0]
Open 0x00
23:16 RAM Profile 4 waveform start address[9:2] 0x00
15:8 RAM Profile 4 waveform
start address[1:0]
Open 0x00
7:0 Open No-dwell
high
Open Zero-
crossing
RAM Profile 4 mode control[2:0] 0x00
Single Tone
Profile 5
(0x13)
63:56 Open Amplitude Scale Factor 5[13:8] 0x00
55:48 Amplitude Scale Factor 5[7:0] 0x00
47:40 Phase Offset Word 5[15:8] 0x00
39:32 Phase Offset Word 5[7:0] 0x00
31:24 Frequency Tuning Word 5[31:24] 0x00
23:16 Frequency Tuning Word 5[23:16] 0x00
15:8
Frequency Tuning Word 5[15:8]
0x00
7:0 Frequency Tuning Word 5[7:0] 0x00