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AD9957/PCBZ 数据表(PDF) 51 Page - Analog Devices

部件名 AD9957/PCBZ
功能描述  1 GSPS Quadrature Digital Upconverter
PDF  61 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9957/PCBZ 数据表(HTML) 51 Page - Analog Devices

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Data Sheet
AD9957
Rev. F | Page 51 of 61
Table 14. RAM, ASF, Multichip Sync, and Profile 0 Registers
Register Name
(Serial Address)
Bit Range
(Internal
Address)
Bit 7
(MSB)
Bit 6
Bit5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
RAM Segment
Register 0 (0x05)
[47:40]
RAM Address Step Rate 0[15:8]
[39:32]
RAM Address Step Rate 0[7:0]
[31:24]
RAM End Address 0[9:2]
[23:16]
RAM End
Address 0[1:0]
Open
[15:8]
RAM Start Address 0[9:2]
[7:0]
RAM Start
Address 0[1:0]
Open
RAM Playback Mode 0[2:0]
RAM Segment
Register 1 (0x06)
[47:40]
RAM Address Step Rate 1[15:8]
[39:32]
RAM Address Step Rate 1[7:0]
[31:24]
RAM End Address 1[9:2]
[23:16]
RAM End
Address 1[1:0]
Open
[15:8]
RAM Start Address 1[9:2]
[7:0]
RAM Start
Address 1[1:0]
Open
RAM Playback Mode 1[2:0]
Amplitude Scale
Factor (ASF)
Register
(0x09)
[31:24]
Amplitude Ramp Rate[15:8]
0x00
[23:16]
Amplitude Ramp Rate[7:0]
0x00
[15:8]
Amplitude Scale Factor]13:6]
0x00
[7:0]
Amplitude Scale Factor[5:0]
Amplitude Step Size[1:0]
0x00
Multichip Sync
Register (0x0A)
[1:24]
Sync Validation Delay[3:0]
Sync
Receiver
Enable
Sync
Generator
Enable
Sync
Generator
Polarity
Open
0x00
[23:16]
Sync State Preset Value[5:0]
Open
0x00
[15:8]
Sync Generator Delay[4:0]
Open
0x00
[7:0]
Sync Receiver Delay[4:0]
Open
0x00
Profile 0
Register—Single
Tone (0x0E)
[63:56]
Open
Amplitude Scale Factor[13:8]
0x08
[55:48]
Amplitude Scale Factor[7:0]
0xB5
[47:40]
Phase Offset Word[15:8]
0x00
[39:32]
Phase Offset Word[7:0]
0x00
[31:24]
Frequency Tuning Word[31:24]
0x00
[23:16]
Frequency Tuning Word[23:16]
0x00
[15:8]
Frequency Tuning Word[15:8]
0x00
[7:0]
Frequency Tuning Word[7:0]
0x00
Profile 0
Register—QDUC
(0x0E)
[63:56]
CCI Interpolation Rate[7:2]
Spectral Invert
Inverse
CCI Bypass
0x00
[55:48]
Output Scale Factor
0x00
[47:40]
Phase Offset Word[15:8]
0x00
[39:32]
Phase Offset Word[7:0]
0x00
[31:24]
Frequency Tuning Word[31:24]
0x00
[23:16]
Frequency Tuning Word[23:16]
0x00
[15:8]
Frequency Tuning Word[15:8]
0x00
[7:0]
Frequency Tuning Word[7:0]
0x00



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