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| SAA7111A Datasheet, PDF (45/72 Pages) NXP Semiconductors – Enhanced Video Input Processor EVIP | |||
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Philips Semiconductors
Enhanced Video Input Processor (EVIP)
Product speciï¬cation
SAA7111A
handbookA, hI2al2fpage
AI21
AI12
AI11
AD2
AD1
CHROMA
LUMA
MGC643
Fig.39 Mode 6 Y (automatic gain) + C
(gain channel 2 adapted to Y gain).
17.2.3 SUBADDRESS 03
Table 15 Analog control 2 (AICO2) SA03
FUNCTION
Static gain control channel 1 (GAI18) (see SA04)
Sign bit of gain control
Static gain control channel 2 (GAI28) (see SA05)
Sign bit of gain control
Gain control ï¬x (GAFIX)
Automatic gain controlled by MODE 1 and MODE 0
Gain control is user programmable via GAI1 + GAI2
Automatic gain control integration (HOLDG)
AGC active
AGC integration hold (freeze)
White peak off (WPOFF)
White peak control active
White peak off
Vertical blanking select (VBSL)
Long vertical blanking
Short vertical blanking
HL not reference select (HLNRS)
Normal clamping by HL not
Reference select by HL not
handbookA, hI2al2fpage
AI21
AI12
AI11
AD2
AD1
CHROMA
LUMA
MGC644
Fig.40 Mode 7 Y (automatic gain) + C
(gain channel 2 adapted to Y gain).
BIT NAME
GAI18
GAI28
GAFIX
GAFIX
HOLDG
HOLDG
WPOFF
WPOFF
VBSL
VBSL
HLNRS
HLNRS
LOGIC LEVEL CONTROL BIT
see Table 16
D0
see Table 17
D1
0
D2
1
D2
0
D3
1
D3
0
D4
1
D4
0
D5
1
D5
0
D6
1
D6
1998 May 15
45
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