CIP3250A datasheet(21/44 Pages) MICRONAS

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ADVANCE INFORMATION

CIP 3250A

Micronas

Table 2–10: I2C-Bus operation, continued

Sub-

Address

(decimal)

Label

Bit No.

(LSB = 0)

Typical

Operation

Value

Function

I2C registers for SOFT MIX

PASSRGB

soft mixer control

0 = analog RGB/YUV-path passed only

1 = mixing controlled by Fast Blank (if <11>PASSYUV=0)

PASSYUV

soft mixer control

0 = mixing controlled by Fast Blank (if <11>PASSRGB=1)

1 = digital YUVin-path passed only (if <11>PASSRGB=1)

FBLCLP

enable static operation of Fast Blank

0 = Fast Blank derived from analog FBL input

1 = static Fast Blank (FBL = 31)

FBLOFF

5–0

Fast Blank offset correction

FBL – (0...63)

FBLDEL

6–5

delay Fast Blank vs. analog RGB/YUV input

3 = –1 clocks

0 = 0 clocks

1 = 1 clocks

2 = 2 clocks

MIXAMP

7–4

amplification of Fast Blank amplitude

FBL * (–4...4) [note: value 0 invalid, use <06>PASSYUV

or <11>PASSRGB for static operation of soft mixer instead]

CTRLDLY

delay control of analog RGB/YUV data in relation to

digital YUV data

0 = statically (by value of <12>SELDLY)

1 = dynamically (by nonlinear mixer)

SELDLY

3–2

delay value for analog RGB/YUV data in relation to

digital YUV data (<12>CTRLDLY=0)

0 = –1 pixel

1 = 0 pixel

2 = +1 pixel

SELLIN

select soft mixer type

0 = linear mixer

1 = nonlinear mixer

FBLSTAT

fast blank input : 1 = high, 0 = low (see Fig. 2–5)

FBLRISE

set with an rising edge at fast blank input

reset at read of <27>

FBLFALL

set with an falling edge at fast blank input

reset at read of <27>

FBLHIGH

dynamic FBL read high level

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