參數(shù)資料
型號(hào)： TA1276AF
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝： 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù)： 14/83頁
文件大?。?/td> 1585K
代理商： TA1276AF
TA1276AF
2002-01-29
21
Pin 41 H-out (mode SW)
You can select the Double Scan Mode (external CP (clamping pulse) input mode), by connecting Pin 41
to DEF VCC. (the threshold of pin 23: 8.7 V = DEF VCC 0.3 V)
When Double Scan Mode, function of Pin 38 and 40 are changed.
Normal Scan (internal CP) Mode: Pin 41 H-out
The function of Pin 40 is curve correction input, that of Pin 38 is FBP (flay back pulse) input.
The input signals of Y2, U/I and V/I inputs (pin 1, 2 and 3), Analog OSD inputs (pin 18, 19 and 20),
Analog RGB inputs (pin 22, 24 and 25) are clamped of the internal CP based on the Y1/Sync input (pin
52).
Double Scan (external CP input) Mode: Pin 41 H-out
The function of Pin 40 is EXT/BPP (Note 2) input, that of Pin 38 is H/V BLK (blanking) input.
The input signals of Y2, U/I and V/I inputs (pin 1, 78 and 80), Analog OSD inputs (pin 18, 19 and 20),
Analog RGB inputs (pin 22, 24 and 25) are clamped of the external CP based on Pin 40.
In case of Double Scan Mode, bus “V-BLK” should be set (1); OFF.
Terminal Functions
Mode
Pin No.
Normal Scan Mode
(internal CP)
Double Scan Mode
(external CP input)
Pin 41
H-out
DEF VCC (9 V)
Pin 40
Curve correction signal input
EXT CP/BPP input
Pin 38
FBP input (for AFC-2 detection, H BKL)
H/V BLK input (for RGB H/V BLK, AKB)
Pin 1, 78, 80
Pin 18, 19, 20
Pin 22, 24, 25
Clamping by internal CP
(based on pin 52)
Clamping by external CP
(based on pin 40)
Pin 52
Normal scan; Y/Sync signal input
Pin 49
Normal scan; HD pulse output (based on pin 52)
Pin 29
Normal scan; VP output (based on pin 52)
Note 2: BPP: Black Peak detection stopping Pulse
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