Datasheet

AD9910 Data Sheet
Rev. D | Page 52 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)
RAM
Profile 0
(0x0E)
63:56 Open 0x00
55:48
RAM Profile 0 address step rate[15:8]
0x00
47:40 RAM Profile 0 address step rate[7:0] 0x00
39:32 RAM Profile 0 waveform end address[9:2] 0x00
31:24 RAM Profile 0 waveform
end address[1:0]
Open 0x00
23:16 RAM Profile 0 waveform start address[9:2] 0x00
15:8 RAM Profile 0 waveform
start address[1:0]
Open 0x00
7:0
Open
No-dwell
high
Open
Zero-
crossing
RAM Profile 0 mode control[2:0]
0x00
Single Tone
Profile 1
(0x0F)
63:56 Open Amplitude Scale Factor 1[13:8] 0x00
55:48 Amplitude Scale Factor 1[7:0] 0x00
47:40 Phase Offset Word 1[15:8] 0x00
39:32
Phase Offset Word 1[7:0]
0x00
31:24 Frequency Tuning Word 1[31:24] 0x00
23:16 Frequency Tuning Word 1[23:16] 0x00
15:8 Frequency Tuning Word 1[15:8] 0x00
7:0 Frequency Tuning Word 1[7:0] 0x00
RAM
Profile 1
(0x0F)
63:56 Open 0x00
55:48 RAM Profile 1 address step rate[15:8] 0x00
47:40 RAM Profile 1 address step rate[7:0] 0x00
39:32 RAM Profile 1 waveform end address[9:2] 0x00
31:24
RAM Profile 1 waveform
end address[1:0]
Open
0x00
23:16 RAM Profile 1 waveform start address[9:2] 0x00
15:8 RAM Profile 1 waveform
start address[1:0]
Open 0x00
7:0 Open No-dwell
high
Open Zero-
crossing
RAM Profile 1 mode control[2:0] 0x00
Single Tone
Profile 2
(0x10)
63:56 Open Amplitude Scale Factor 2[13:8] 0x00
55:48 Amplitude Scale Factor 2[7:0] 0x00
47:40 Phase Offset Word 2[15:8] 0x00
39:32 Phase Offset Word 2[7:0] 0x00
31:24 Frequency Tuning Word 2[31:24] 0x00
23:16 Frequency Tuning Word 2[23:16] 0x00
15:8
Frequency Tuning Word 2[15:8]
0x00
7:0 Frequency Tuning Word 2[7:0] 0x00
RAM
Profile 2
(0x10)
63:56 Open 0x00
55:48 RAM Profile 2 address step rate[15:8] 0x00
47:40 RAM Profile 2 address step rate[7:0] 0x00
39:32 RAM Profile 2 waveform end address[9:2] 0x00
31:24 RAM Profile 2 waveform
end address[1:0]
Open 0x00
23:16
RAM Profile 2 waveform start address[9:2]
0x00
15:8 RAM Profile 2 waveform
start address[1:0]
Open 0x00
7:0 Open No-dwell
high
Open Zero-
crossing
RAM Profile 2 mode control[2:0] 0x00