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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