AD9957 Analog Devices, AD9957 Datasheet - Page 26

• Manufacturer Part Number: AD9957
• Description: 1 GSPS Quadrature Digital Upconverter
• Manufacturer: Analog Devices

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DataSheet
AD9957
Multi-Chip
Sync
Register
(0Ah)
Address)
Register
Profile 0
Register
Profile 1
Register
(Serial
QDUC
QDUC
Name
(0Eh)
(0Fh)
4
U
.com
<31:24>
<23:16>
<15:8>
<7:0>
Bit Range
(Internal
Address)
<23:16>
<63:56>
<55:48>
<47:40>
<39:32>
<31:24>
<23:16>
<63:56>
<55:48>
<47:40>
<39:32>
<31:24>
<23:16>
<15:8>
<15:8>
<15:8>
<7:0>
<7:0>
<7:0>
(MSB)
Bit 7
Sync Window Delay <3:0>
Bit 6
Output Sync Pulse Delay <4:0>
Input Sync Pulse Delay <4:0>
System Clock Offset<5:0>
CCI Interpolation Rate
CCI Interpolation Rate
Bit5
Rev. PrF | Page 26 of 38
Rising Sweep Ramp Rate Word <15:8>
Falling Sweep Ramp Rate Word <7:0>
Rising Sweep Ramp Rate Word <7:0>
Frequency Tuning Word #0 <31:24>
Frequency Tuning Word #0 <23:16>
Frequency Tuning Word #1 <31:24>
Frequency Tuning Word #1 <23:16>
Frequency Tuning Word #0 <15:8>
Frequency Tuning Word #1 <15:8>
Frequency Tuning Word #0 <7:0>
Frequency Tuning Word #1 <7:0>
Phase Offset Word # 1 <15:8>
Phase Offset Word #0 <15:8>
Phase Offset Word #0 <7:0>
Phase Offset Word #1 <7:0>
Output Scale Factor #0
Output Scale Factor #1
Bit 4
Enable
Bit 3
Sync
PRELIMINARY TECHNICAL DATA
Driver
Enable
Bit 2
Sync
Spectral
Spectral
Polarity
OPEN
OPEN
Invert
Invert
Bit 1
Sync
OPEN
CCI Bypass
CCI Bypass
Sync Loop
Internal
Inverse
Inverse
Enable
Bit 0
Default
Value
00h
00h
00h
00h
00h
00h
00h
000
000
000
000
000
001
001
001
001
001
000
000
000
001
001
001