CS7654 datasheet(33/62 Pages) CIRRUS

33 / 62 page

CS7654

Control Register 0 at SA 0x00h

Address

×00

CONTROL_0

Read/Write

Default Value = 01h

Control Register 1 at SA 0x00h

Address

×01

CONTROL_1

Read/Write

Default Value = 02h

Bit Number

6543

210

Bit Name

TV_FMT

MSTR

CCIR656

PROG

IN_MODE

CBCR_UV

Default

0001

001

Bit

Mnemonic

Function

7:5

TV_FMT

selects the TV display format

000:

NTSC-M CCIR601 timing (default)

001:

NTSC-M RS170A timing

010:

PAL-B, D, G, H, I

011:

PAL-M

100:

PAL-N (Argentina)

101:

PAL-N (non Argentina)

110-111:

reserved

Reserved

Set to 0

CCIR656

Set to 1

2PROG

Progressive scanning enable (enable = 1)

IN_MODE

Input select (0 = solid background, 1 = use V [7:0] data)

CBCR_UV

enable YCbCr to YUV conversion (1 = enable, 0 = disable)

Bit Number

54321

Bit Name

LUM DEL

CH BW

LPF_ON

res

PED

res

Default

Reserved

Bit

Mnemonic

Function

7:6

LUM DEL

luma delay on the composite output

00:

no delay (default)

01:

1 pixel clock delay

10:

2 pixel clock delay

11:

3 pixel clock delay

CH BW

chroma lpf bandwidth (0 = 650 kHz, 1 = 1.3 Mhz)

4LPF ON

chroma lpf on/off (0 = off, 1 = on)

Reserved

PED

Pedestal offset (0: 0 IRE, 1: 7.5 IRE)

Reserved

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