AD9992BBCZ datasheet(79/92 Pages) AD

79 / 92 page

AD9992

Rev. C | Page 79 of 92

Address

Data Bits

Default

Value

Update

Type

Mnemonic

Description

[6:4]

H2DRV

H2 drive strength (same range as H1DRV).

[10:8]

H3DRV

H3 drive strength (same range as H1DRV).

[14:12]

H4DRV

H4 drive strength (same range as H1DRV).

[18:16]

HLDRV

HL drive strength (same range as H1DRV).

[22:20]

RGDRV

RG drive strength (same range as H1DRV).

0x36

[2:0]

SCK

H5DRV

H5 drive strength (same range as H1DRV).

[6:4]

H6DRV

H6 drive strength (same range as H1DRV).

[10:8]

H7DRV

H7 drive strength (same range as H1DRV).

[14:12]

H8DRV

H8 drive strength (same range as H1DRV).

0x37

[5:0]

SCK

SHDLOC

SHD sampling edge location.

[11:6]

SHPLOC

SHP sampling edge location.

[17:12]

SHPWIDTH

SHP width (controls input dc restore switch active time).

0x38

[5:0]

SCK

DOUTPHASEP

DOUT phase control, positive edge. Specifies location of

DOUT.

[11:6]

DOUTPHASEN

DOUT phase control, negative edge. Always set to

DOUTPHASEP plus 32 edges to maintain 50% duty cycle of

internal DOUTPHASE clocking.

[12]

DCLKMODE

DCLK mode. 0: DCLK tracks DOUT; 1: DCLK phase is fixed.

[14:13]

DOUTDELAY

Data output delay (tOD) with respect to DCLK rising edge:

0: No delay.

1: ~3 ns.

2: ~6 ns.

3: ~9 ns.

[15]

DCLKINV

Invert DCLK output:

0: No inversion.

1: Inversion of DCLK.

0x39

[2:0]

SCK

CPHMASK

Enable H-masking during CP operation.

Table 35. Test Registers—Do Not Access

Address

Data Bits

Default

Value

Update

Type

Mnemonic

Description

0x3E to 0x4F

Test registers only. Do not access.

Table 36. Test Registers—Do Not Access

Address

Data Bits

Default

Value

Update

Type

Mnemonic

Description

0x50 to 0x6F

Test registers only. Do not access.

Table 37. Shutter and GPO Registers

Address

Data Bits

Default

Value

Update

Type

Mnemonic

Description

0x70

[2:0]

PRIMARY_ACTION

Selects action for primary and secondary counters.

[5:3]

SECOND_ACTION

0: Idle (do nothing) autoreset on VD.

1: Activate counter (primary: auto exposure/readout).

2: RapidShot, wrap/repeat counter.

3: ShotTimer, delay start of count.

4: ShotTimer with RapidShot.

5: SLR exposure (manual).

6: SLR read (manual).

7: Force to idle.

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