參數(shù)資料
型號(hào): TB1274BFG
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 10 X 14 MM, 0.80 MM PITCH, QFP-48
文件頁數(shù): 34/37頁
文件大?。?/td> 839K
代理商: TB1274BFG
TB1274BFG
2005-08-18
6
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT / OUTPUT
SIGNALS
25
B1-IN
26
G1-IN
27
R1-IN
Input RGB1 signal through a
clamping capacitor.(Selected by
YS3 and I2C BUS.)
250Ω
2.5V
28
32
250Ω
25,26,27
0.7Vp-p
DC : 2.5V
28
Y/C-GND
GND
pin
for
Y/C/Text/Video-SW/1HDL
sections.
29
Cr2-IN
30
Cb2-IN
270Ω
2.5V
28
32
240Ω
29,30
DAC
OFFSET
31
Y2-IN
Input Y2/Cb2/Cr2 signal through
a clamping capacitor. (Selected by
YS1.)
31
240Ω
1.7V
28
32
240Ω
Y : 1Vp-p(with sync)
DC : 1.7V
Cb/Cr : 0.7Vp-p(100%
color bar)
DC : 2.5V
32
Y/C-VCC
Power supply pin for Y/C/Text/
Video-SW/1HDL sections.
DC 5V
33
B2-IN
34
G2-IN
35
R2-IN
Input RGB2 signal through a
clamping capacitor. (Selected by
YS2.)
250Ω
2.5V
28
32
250Ω
33,34,35
0.7Vp-p
DC : 2.5V
36
YS2/YM
(RGB2-in)
Pin to switch main signals and
RGB2 inputs.
Half-tone ON/OFF SW is also
included. Half
tone
gain
is
selected by I2C BUS.
36
4kΩ
6kΩ
32
28
30kΩ
1.0V≦YM≦1.5V
2.5V≦RGB2≦5.0V
(Th1 : 0.7V, Th2 :
2.0V)
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