參數(shù)資料
型號(hào): AD9957_07
廠商: Analog Devices, Inc.
英文描述: 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
中文描述: 1 GSPS的正交數(shù)字上變頻器與18位智商數(shù)據(jù)路徑和14位DAC
文件頁(yè)數(shù): 45/60頁(yè)
文件大?。?/td> 840K
代理商: AD9957_07
AD9957
Rev. 0 | Page 45 of 60
Table 14. RAM, ASF, Multichip Sync, and Profile 0 Registers
Register
Name (Serial
Address)
Address)
(MSB)
<47:40>
<39:32>
<31:24>
<23:16>
Bit Range
(Internal
Bit 7
Bit 6
Bit5
Bit 4
RAM Address Step Rate 0<15:8>
RAM Address Step Rate 0<7:0>
RAM End Address 0<9:2>
Bit 3
Bit 2
Bit 1
Bit 0
(LSB)
Default
Value
RAM End
Address 0<1:0>
Open
<15:8>
<7:0>
RAM Start Address 0<9:2>
Open
RAM Segment
Register 0
(0x05)
RAM Start
Address 0 <1:0>
RAM Playback Mode 0<2:0>
<47:40>
<39:32>
<31:24>
<23:16>
RAM Address Step Rate 1<15:8>
RAM Address Step Rate 1<7:0>
RAM End Address 1<9:2>
RAM End
Address 1<1:0>
Open
<15:8>
<7:0>
RAM Start Address 1<9:2>
Open
RAM Segment
Register 1
(0x06)
RAM Start
Address 1<1:0>
RAM Playback Mode 1<2:0>
<31:24>
<23:16>
<15:8>
<7:0>
Amplitude Ramp Rate<15:8>
Amplitude Ramp Rate<7:0>
Amplitude Scale Factor<13:6>
Amplitude Scale Factor<5:0>
0x00
0x00
0x00
0x00
Amplitude
Scale Factor
Register (ASF)
(0x09)
Amplitude Step
Size<1:0>
Sync
Generator
Polarity
Open
Open
Open
<31:24>
Sync Validation Delay<3:0>
Sync
Receiver
Enable
Sync
Generator
Enable
Open
0x00
<23:16>
<15:8>
<7:0>
<63:56>
<55:48>
<47:40>
<39:32>
<31:24>
<23:16>
<15:8>
<7:0>
<63:56>
Sync State Preset Value<5:0>
Sync Generator Delay<4:0>
Sync Receiver Delay<4:0>
0x00
0x00
0x00
Multichip Sync
Register (0x0A)
Open
Amplitude Scale Factor<13:8>
Amplitude Scale Factor<7:0>
Phase Offset Word<15:8>
Phase Offset Word<7:0>
Frequency Tuning Word<31:24>
Frequency Tuning Word<23:16>
Frequency Tuning Word<15:8>
Frequency Tuning Word<7:0>
CCI Interpolation Rate<7:2>
Profile 0
Register—
Single Tone
(0x0E)
Spectral
Invert
Inverse CCI Bypass
<55:48>
<47:40>
<39:32>
<31:24>
<23:16>
<15:8>
<7:0>
Output Scale Factor
Phase Offset Word<15:8>
Phase Offset Word<7:0>
Frequency Tuning Word<31:24>
Frequency Tuning Word<23:16>
Frequency Tuning Word<15:8>
Frequency Tuning Word<7:0>
Profile 0
Register—
QDUC
(0x0E)
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