Texas Instruments TMS320C64x DSP User Manual

Page 133

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Video Capture Registers

3-71

Video Capture Port

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

10

RESMPL

Chroma resampling enable bit.

DISABLE

0

Chroma resampling is
disabled.

Not used.

Not used.

ENABLE

1

Chroma is horizontally
resampled from
4:2:2 co-sited to
4:2:0 interspersed
before saving to
chroma buffers.

Not used.

Not used.

9

Reserved

0

Reserved. The reserved bit location is always read as 0. A value
written to this field has no effect.

8

SCALE

Scaling select bit.

NONE

0

No scaling

Not used.

Not used.

HALF

1

½

scaling

Not used.

Not used.

7

CON

Continuous capture enable bit.

DISABLE

0

Continuous capture is disabled.

ENABLE

1

Continuous capture is enabled.

6

FRAME

Capture frame (data) bit.

NONE

0

Do not capture frame.

Do

not

capture

single data block.

Do not capture
single packet.

FRMCAP

1

Capture frame.

Capture single
data block.

Capture single
packet.

5

CF2

Capture field 2 bit.

NONE

0

Do not capture field 2.

Not used.

Not used.

FLDCAP

1

Capture field 2.

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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