SAA7111AH NXP Semiconductors, SAA7111AH Datasheet - Page 22

• Manufacturer Part Number: SAA7111AH
• Manufacturer: NXP Semiconductors

Specifications of SAA7111AH

• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / RoHS Status: Compliant

Philips Semiconductors
1998 May 15
handbook, full pagewidth
Enhanced Video Input Processor (EVIP)
X = system variable; Y = IAGV
HSY = horizontal sync pulse; AGV = actual gain value; FGV = frozen gain value.
STOP
FGVI > GUDL; VBLK = vertical blanking pulse;
NO ACTION
+1/F
0
1
<4
>248
0
ANTI-ALIAS FILTER
1
0
>254
1/L
ANALOG INPUT
Fig.14 Gain flow chart.
1
AMPLIFIER
ADC
VBLK
X = 0
GAIN ACCUMULATOR (18 BITS)
1/LLC2
1
1
ACTUAL GAIN VALUE 9-BIT (AGV) [ 6/ 6 dB]
AGV
HOLDG
1
22
0
1
<1
1
8
gain
X
0
1
1/LLC2
X
0
GAIN VALUE 9-BIT
1
0
UPDATE
LUMA/CHROMA DECODER
HSY
0
HSY
1
1/LLC2
X = 1
DAC
0
1
0
Y
>254
0
FGV
MGC652
0
/ 0
9
Product specification
SAA7111A