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參數(shù)資料
| 型號(hào)： | TDA4780 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | RGB video processor with automatic cut-off control and gamma adjust |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 11/44頁 |
| 文件大?。?/td> | 321K |
| 代理商： | TDA4780 |
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1997 Feb 06
11
Philips Semiconductors
Preliminary specification
RGB video processor with automatic
cut-off control and gamma adjust
TDA4780
Table 4
Signal input selection and effect on adaptive black measurements by fast source switches and I
2
C-bus;
note 1
Note
1.
Explanation for the cell contents of the table:
a) H = set to logic 1 or analog switch (pins 1 and 13) to >0.9 V.
b) L = set to logic 0 or analog switch (pins 1 and 13) to <0.4 V.
c) X = don’t care.
d) ON = this signal is selected.
I
2
C-BUS CONTROLLED BITS
ANALOG SWITCH
SELECTED SIGNALS
FSON2 FSDIS2 FSON1 FSDIS1
FSW2
(pin 1)
FSW1
(pin 13)
RGB
2
(pins 2, 3
and 4)
ADBL
RGB
1
(pins 10,
11 and 12)
TV (pins 6,
7 and 8)
L
L
L
L
L
L
H
L
H
L
H
X
X
X
X
L
H
X
L
H
X
X
X
X
X
L
H
X
X
X
active
active
inactive
active
inactive
active
inactive
active
active
active
active
active
inactive
active
ON
ON
ON
L
L
L
H
ON
ON
L
L
H
X
ON
ON
L
H
L
L
ON
ON
L
L
H
H
H
L
L
H
X
H
X
X
ON
ON
ON
ON
ON
H
H
X
X
X
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