AD9923ABBCZ datasheet(69/88 Pages) AD

69 / 88 page

AD9923A

Rev. 0 | Page 69 of 88

COMPLETE REGISTER LISTING

When an address contains less than 28 data bits, all remaining bits must be written as 0s.

Table 45. AFE Registers

Address

(Hex)

Data

Bits

Default

Value

Update

Type

Name

Description

[1:0]

SCK

STANDBY

Standby modes.

0: normal operation.

1: Standby 1 mode.

2: Standby 2 mode.

3: Standby 3 mode.

[2]

CLPENABLE

0: disable OB clamp.

1: enable OB clamp.

[3]

CLPSPEED

0: select normal OB clamp settling.

1: select fast OB clamp settling.

[4]

FASTUPDATE

0: ignore VGA update.

1: very fast clamping when VGA is updated.

[5]

PBLK_LVL

0: blank data outputs to 0 during PBLK.

1: blank data outputs to programmed clamp level during PBLK.

[6]

DCBYP

0: enable input dc-restore circuit during PBLK.

1: disable input dc-restore circuit during PBLK.

[15:11]

XSUBCNT_MUX

Selects which internal signal is used for the XSUBCNT signal.

0: assign XV6 to XSUBCNT.

1: assign XV8 to XSUBCNT.

2: assign XV9 to XSUBCNT.

3: assign XV10 to XSUBCNT.

4: assign VSG5 to XSUBCNT.

5: assign VSG6 to XSUBCNT.

6: assign VSG7 to XSUBCNT.

7: assign VSG8 to XSUBCNT.

8: assign VSG2 to XSUBCNT.

9: assign VSG3 to XSUBCNT.

10: assign VSG4 to XSUBCNT.

11: assign VSG1 to XSUBCNT.

12: assign XV13 to XSUBCNT.

13: assign VSUB to XSUBCNT.

14: assign MSHUT to XSUBCNT.

15: assign STROBE to XSUBCNT.

16: assign XV1 to XSUBCNT.

17: assign XV2 to XSUBCNT.

18: assign XV3 to XSUBCNT.

19: assign XV4 to XSUBCNT.

20: assign XV5 to XSUBCNT.

21: assign XV7 to XSUBCNT.

22: assign XV11 to XSUBCNT.

23: assign XV12 to XSUBCNT.

24: assign SHUT0 to XSUBCNT.

25: assign SHUT1 to XSUBCNT.

26: assign SHUT2 to XSUBCNT.

27: assign SHUT3 to XSUBCNT.

28: assign FG_TRIG to XSUBCNT.

29: invalid setting.

30: tie XSUBCNT high.

31: tie XSUBCNT low.

AD9923ABBCZ 数据表(PDF) 69 Page - Analog Devices

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