AD9914

Data Sheet

Rev. F | Page 38 of 45

Register

Name (Serial

Address)

Bit Range

(Parallel

Address)

Bit 7

(MSB)

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

(LSB)

Default

Value

Profile 7 (P7)

Phase/

Amplitude

Register

(0x1A)

[7:0]

(0x68)

Phase Offset Word 7[7:0]

N/A

[15:8]

(0x69)

Phase Offset Word 7[15:8]

N/A

[23:16]

(0x6A)

Amplitude Scale Factor 7[7:0]

N/A

[31:24]

(0x6B)

Open

Amplitude Scale Factor 7[11:8]

N/A

USR0 (0x1B)

[7:0]

(0x6C)

Requires register default value settings (0x00)

0x00

[15:8]

(0x6D)

Requires register default value settings (0x08)

0x08

[23:16]

(0x6E)

Requires register default value settings (0x00)

0x00

[31:24]

(0x6F)

Open

PLL lock

Read

only

internal calibration routine to optimize the setup and hold times for internal DAC timing. Failure to calibrate degrades ac performance or makes the device nonfunctional.