參數(shù)資料
型號: TB1274BFG
元件分類: 消費家電
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): 36/37頁
文件大?。?/td> 839K
代理商: TB1274BFG
TB1274BFG
2005-08-18
8
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT / OUTPUT
SIGNALS
44
CVBS2/Y2-IN
Input CVBS2/Y2 signal through a
clamping capacitor.
44
28
32
250Ω
50μ
A
2.5V
50μ
A
CVBS : 1Vp-p
Y : 1Vp-p(with sync)
DC : 1.8V
The status of color system is
responded to pin 45 and pin 46. It
is the same as Read BUS status.
Color system
Pin 45
Pin 46
M-PAL
Low
4.43PAL, SECAM, B/W
High
Low
3.58/4.43NTSC
Low
High
N-PAL
High
45
COMB SYS
Refer
to
FUNCTION
DESCRIPTION.
45
32
28
50kΩ
0V
Low
High
5V
46
Fsc-OUT
Sub-carrier output pin.
Refer
to
FUNCTION
DESCRIPTION.
46
100Ω
32
28
220μ
A
AC : 0.84Vp-p
DC : as blow fig.
High
Low
(3.1V)
(2.1V)
47
AFC-FIL
Connect AFC filter.
47
12
16
300Ω
48
C1-IN
Input
C1
signal
through
a
clamping capacitor.
48
28
32
250Ω
50μ
A
1.6V
40kΩ
50μ
A
0.3Vp-p(Burst)
DC : 1.6V
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