VDP3108B datasheet(33/72 Pages) MICRONAS

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VDP 31xxB

PRELIMINARY DATA SHEET

Micronas

Table 3–2: Backend I2C-control and status registers

I2C sub

address

Number

of bits

Mode

Function

Default

Name

PRIORITY BUS

priority mask register, if bit[x] is set to 1 then the function is

active for the respective signal priority

h’75

w v

bit [7:0]

bit[x] 0/1: select contrast,brightness,matrix

for main/side picture

PBCT

h’71

w v

bit [7:0]

bit[x] 0/1: select main (video)/external (via CLUT)

RGB

PBERGB

h’7d

w v

bit [7:0]

bit[x] 0/1: enable/disable black level expander

PBBLE

h’79

w v

bit [7:0]

bit[x] 0/1: disable/enable peaking transient

suppression when signal is switched

PBPK

h’4b

w v

bit [7:0]

bit[x] 0/1: disable/enable analog fast blank input

PBFB

h’47

w v

bit [2:0]

picture frame generator priority id

bit [8]

enable prio id for picture frame generator

PFGID

PFGEN

LUMA CHANNEL

h’61

w v

bit [5:0]

0..63/32

main picture contrast

CTM

h’65

w v

bit [5:0]

0..63/32

side picture contrast

CTS

h’51

w v

bit [8:0]

–256..255

main picture brightness

BRM

h’55

w v

bit [8:0]

–256..255

side picture brightness

BRS

h’59

w v

black level expander:

bit [3:0]

0..15

tilt coefficient

bit [8:4]

0...31

amount

BTLT

BAM

h’5d

w v

black level expander:

bit [8:0]

0..511

disable expansion, threshold value

200

BTHR

h’69

w v

luma peaking filter, the gain at high frequencies and small signal

amplitudes is: 1 + (k1+k2)/8

bit [3:0]

0..15

k1: peaking level undershoot

bit [7:4]

0..15

k2: peaking level overshoot

bit [8]

0/1

peaking value normal/inverted

(peaking/softening)

PKUN

PKOV

PKINV

h’6d

w v

luma peaking filter, coring

bit [4:0]

0..31

coring level

bit [7:5]

reserved

bit [8]

0/1

peaking filter center frequency high/low

COR

PFS

h’41

w v

luma soft limiter, slope A and B

bit [3:0]

slope segment A

bit [7:4]

slope segment B

LSLSA

LSLSB

h’45

w v

bit [7:0]

luma soft limiter absolute limit (unsigned)

bit [8]

0/1

modulation off/on

255

LSLAL

LSLM

h’49

w v

bit [8:0]

luma soft limiter segment B tilt point (unsigned)

300

LSLTB

h’4d

w v

bit [8:0]

luma soft limiter segment A tilt point (unsigned)

250

LSLTA

VDP3108B Datasheet(PDF) 33 Page - Micronas

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