TA1275BFNG Datasheet, PDF (6/21 Pages) Toshiba Semiconductor – SECAM Demodulator Processor

Pin
No.
Pin Name
Function
5 H/H+V ID SW
The switch pin for selecting the
ID detection mode.
H+V : connected to
5
V_CC
Auto search (H, V, H+V)
: opened
H : connected to GND
6 SECAM ID I / O
The interface pin to the main
processor (i.e., TB1309).
This input/output interface pin
sinks two values of current
corresponding to the ID level of
the SECAM input signal.
Strong SECAM : 420 µA
6
SECAM
: 180 µA
This pin turns the
internal/external switch by the
input DC voltage.
Internal
: GND~2.5 V
External
: 2.5 V~V_CC
Interface Circuit
2
TA1275BFNG
Input/Output Signal
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18
15
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18
6
2005-03-14