AD9952/PCB Analog Devices Inc, AD9952/PCB Datasheet - Page 15

• Manufacturer Part Number: AD9952/PCB
• Description: BOARD EVAL FOR AD9952
• Manufacturer: Analog Devices Inc
• Series: AgileRF™r
• Type: DDS (Direct Digital Synthesis)r

Specifications of AD9952/PCB

• Rohs Status: RoHS non-compliant
• Contents: Evaluation Board
• For Use With/related Products: AD9952

Table 5. Register Map
Register
Name
(Serial
Address)
Control
Function
Register 1
(CFR1)
Control
Function
Register 2
(CFR2)
Amplitude
Scale
Factor
(ASF)
Amplitude
Ramp
Rate
(ARR)
Frequency
Tuning
Word 0
(FTW0)
Phase
Offset
Word
(POW)
Register
Address
(0x00)
(0x01)
(0x02)
(0x03)
(0x04)
(0x05)
Bit
Range
[7:0]
[15:8]
[23:16]
[31:24]
[7:0]
[15:8]
[23:16]
[7:0]
[15:8]
[7:0]
[7:0]
[15:8]
[23:16]
[31:24]
[7:0]
[15:8]
(MSB)
Bit 7
Digital
Power-
Down
Not Used
Automatic
Sync
Enable
Auto Ramp Rate Speed
Control [1:0]
0x00 or 0x01, or 0x02 or 0x03: Bypass Multiplier
Not Used [1:0]
0x04 to 0x14: 4× to 20× Multiplication
Bit 6
Comparator
Power-
Down
Not Used
Software
Manual
Sync
Not Used
REFCLK Multiplier
Not Used
Rev. B | Page 15 of 28
Bit 5
DAC
Power-
Down
Auto
Clr
Phase
Accum.
Amplitude Scale Factor Register [7:0]
Amplitude Ramp Rate Register [7:0]
Frequency Tuning Word 0 [23:16]
Frequency Tuning Word 0 [31:24]
Frequency Tuning Word 0 [15:8]
Frequency Tuning Word 0 [7:0]
Phase Offset Word 0 [7:0]
Bit 4
Clock
Input
Power-
Down
Enable
SINE
Output
Amplitude Scale Factor Register [13:8]
Not Used
Phase Offset Word 0 [13:8]
Bit 3
External
Power-
Down
Mode
Not
Used
High
Speed
Sync
Enable
Not Used
Bit 2
Not Used
Clear
Phase
Accum.
Load ARR
@ I/O
UPDATE
VCO
Range
Hardware
Manual
Sync
Enable
Bit 1
SYNC_CLK
Out
Disable
SDIO
Input
Only
OSK
Enable
Charge Pump
Current [1:0]
CRYSTAL
OUT Pin
Active
(LSB)
Bit 0
Not
Used
LSB
First
Auto
OSK
Keying
Not
Used
AD9952
Default
Value
0x00
0x00
0x00
0x00
0x00
0x00
0x18
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00