Data Sheet

AD9913

Rev. E | Page 27 of 32

Register Name

(Serial

Address)

[Serial Bit

Range]/Parallel

Address

MSB

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

LSB

Bit 0

Default

Value

Linear Sweep

Ramp Rate

Register

(0x08)

[7:0]/0x22

Rising Sweep Ramp Rate Word [7:0]

0x00

[15:8]/0x23

Rising Sweep Ramp Rate Word [15:8]

0x00

[23:16]/0x24

Falling Sweep Ramp Rate Word [7:0]

0x00

[31:24]/0x25

Falling Sweep Ramp Rate Word [15:8]

0x00

Profile 0

(0x09)

[7:0]/0x26

Frequency Tuning Word [7:0]

0x00

[15:8]/0x27

Frequency Tuning Word [15:8]

0x00

[23:16]/0x28

Frequency Tuning Word [23:16]

0x00

[31:24]/0x29

Frequency Tuning Word [31:24]

0x00

[39:32]/0x2A

Phase Offset Word [7:0]

0x00

[47:40]/0x2B

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 1

(0x0A)

[7:0]/0x2C

Frequency Tuning Word [7:0]

0x00

[15:8]/0x2D

Frequency Tuning Word [15:8]

0x00

[23:16]/0x2E

Frequency Tuning Word [23:16]

0x00

[31:24]/0x2F

Frequency Tuning Word [31:24]

0x00

[39:32]/0x30

Phase Offset Word [7:0]

0x00

[47:40]/0x31

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 2

(0x0B)

[7:0]/0x32

Frequency Tuning Word [7:0]

0x00

[15:8]/0x33

Frequency Tuning Word [15:8]

0x00

[23:16]/0x34

Frequency Tuning Word [23:16]

0x00

[31:24]/0x35

Frequency Tuning Word [31:24]

0x00

[39:32]/0x36

Phase Offset Word [7:0]

0x00

[47:40]/0x37

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 3

(0x0C)

[7:0]/0x38

Frequency Tuning Word [7:0]

0x00

[15:8]/0x39

Frequency Tuning Word [15:8]

0x00

[23:16]/0x3A

Frequency Tuning Word [23:16]

0x00

[31:24]/0x3B

Frequency Tuning Word [31:24]

0x00

[39:32]/0x3C

Phase Offset Word [7:0]

0x00

[47:40]/0x3D

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 4

(0x0D)

[7:0]/0x3E

Frequency Tuning Word [7:0]

0x00

[15:8]/0x3F

Frequency Tuning Word [15:8]

0x00

[23:16]/0x40

Frequency Tuning Word [23:16]

0x00

[31:24]/0x41

Frequency Tuning Word [31:24]

0x00

[39:32]/0x42

Phase Offset Word [7:0]

0x00

[47:40]/0x43

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 5

(0x0E)

[7:0]/0x44

Frequency Tuning Word [7:0]

0x00

[15:8]/0x45

Frequency Tuning Word [15:8]

0x00

[23:16]/0x46

Frequency Tuning Word [23:16]

0x00

[31:24]/0x47

Frequency Tuning Word [31:24]

0x00

[39:32]/0x48

Phase Offset Word [7:0]

0x00

[47:40]/0x49

Open [1:0]

Phase Offset Word [13:8]

0x00

Profile 6

(0x0F)

[7:0]/0x4A

Frequency Tuning Word [7:0]

0x00

[15:8]/0x4B

Frequency Tuning Word [15:8]

0x00

[23:16]/0x4C

Frequency Tuning Word [23:16]

0x00

[31:24]/0x4D

Frequency Tuning Word [31:24]

0x00

[39:32]/0x4E

Phase Offset Word [7:0]

0x00

[47:40]/0x4F

Open

Open

Phase Offset Word [13:8]

0x00

Profile 7

(0x10)

[7:0]/0x50

Frequency Tuning Word [7:0]

0x00

[15:8]/0x51

Frequency Tuning Word [15:8]

0x00

[23:16]/0x52

Frequency Tuning Word [23:16]

0x00

[31:24]/0x53

Frequency Tuning Word [31:24]

0x00

[39:32]/0x54

Phase Offset Word [7:0]

0x00

[47:40]/0x55

Open

Open

Phase Offset Word [13:8]

0x00

1 These bits are active immediately following the write sequence of the byte in which they reside in. As a result, they do not require an I/O_UPDATE to enable/disable.