參數(shù)資料
型號: 935261504518
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: PLASTIC, SOT-307, QFP-44
文件頁數(shù): 50/87頁
文件大?。?/td> 440K
代理商: 935261504518
1999 Jul 01
54
Philips Semiconductors
Product specication
9-bit video input processor
SAA7113H
15.2.4
SUBADDRESS 03H
Table 30 Analog control 2 (AICO2) SA 03
15.2.5
SUBADDRESS 04H
Table 31 Gain control analog (AICO3); static gain control channel 1 GAI1 SA 04, D7 to D0
FUNCTION
LOGIC LEVEL
DATA BIT
Static gain control channel 1 (GAI18) (see SA 04)
Sign bit of gain control
see Table 31
D0
Static gain control channel 2 (GAI28) (see SA 05)
Sign bit of gain control
see Table 32
D1
Gain control x (GAFIX)
Automatic gain controlled by MODE3 to MODE0
0
D2
Gain is user programmable via GAI1 + GAI2
1
D2
Automatic gain control integration (HOLDG)
AGC active
0D3
AGC integration hold (freeze)
1
D3
White peak off (WPOFF)
White peak control active
0
D4
White peak off
1
D4
AGC hold during vertical blanking period (VBSL)
Short vertical blanking (AGC disabled during equalization and serration
pulses)
0D5
Long vertical blanking (AGC disabled from start of pre-equalization pulses
until start of active video (line 22 for 60 Hz, line 24 for 50 Hz)
1D5
HL not reference select (HLNRS)
Normal clamping if decoder is in unlocked state
0
D6
Reference select if decoder is in unlocked state
1
D6
DECIMAL
VALUE
GAIN
(dB)
SIGN
BIT
CONTROL BITS D7 TO D0
GAI18
GAI17
GAI16
GAI15
GAI14
GAI13
GAI12
GAI11
GAI10
0...
≈3
0
00000000
...117...
≈0
0
01110101
...511
≈6
1
11111111
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