Texas Instruments TMS320C64x DSP User Manual

Page 132

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Video Capture Registers

Video Capture Port

3-70

SPRU629

Table 3–23. Video Capture Channel B Control Register (VCBCTL)

Field Descriptions (Continued)

Description

Bit

TSI Mode

Raw Data Mode

BT.656 or Y/C Mode

Value

symval

†

field

†

16

HRST

HCOUNT reset method bit.

EAV

0

EAV or
VCTL1 active edge.

Not used.

Not used.

SAV

1

SAV or
VCTL1 inactive edge.

Not used.

Not used.

15

VCEN

Video capture enable bit. Other bits in VCBCTL (except RSTCH
and BLKCAP bits) may only be changed when VCEN = 0.

DISABLE

0

Video capture is disabled.

ENABLE

1

Video capture is enabled.

14–13

PK10B

10-bit packing format select bit.

ZERO

0

Zero extend

Zero extend

Not used.

SIGN

1h

Sign extend

Sign extend

Not used.

DENSEPK

2h

Dense pack (zero
extend)

Dense pack (zero
extend)

Not used.

–

3h

Reserved

Reserved

Not used.

12

LFDE

Long field detect enable bit.

DISABLE

0

Long field detect
is disabled.

Not used.

Not used.

ENABLE

1

Long field detect
is enabled.

Not used.

Not used.

11

SFDE

Short field detect enable bit.

DISABLE

0

Short field detect
is disabled.

Not used.

Not used.

ENABLE

1

Short field detect
is enabled.

Not used.

Not used.

† For CSL implementation, use the notation VP_VCBCTL_field_symval
‡ For complete encoding of these bits, see Table 3–6, Table 3–11, and Table 3–12.

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