TA1270BFG Datasheet, PDF (6/39 Pages) Toshiba Semiconductor – PAL / NTSC VIDEO CHROMA AND SYNC PROCESSING SYSTEM FOR PIP / POP / PAP

PIN
No.
PIN NAME
FUNCTION
20 Y / G output
21 B-Y / B output
22 R-Y / R output
Output Y / B-Y / R-Y or R / G / B.
YUV / RGB output is switched by bus
setting.
INTERFACE
TA1270BFG
INPUT / OUTPUT
SIGNAL
23 ADRS SW
Pin used to switch slave addresses.
GND ― 24H,
V_CC ― 2CH
24 SW GND
Switch block GND pin
―
2CH
―― 0.7 V
24H
―― GND
―
25
26
27
Y2 input
B-Y2 input
R-Y2 input
(YUV2)
Y2 / B-Y2 / R-Y2 (YUV2 input) or R2
/ G2 / B2 input pin. Input via
capacitor used for clamp operation.
28 I²C GND
I²C block GND pin
―
―
29
30
31
Y1 input
B-Y1 input
R-Y1 input
(YUV1)
Y1 / B-Y1 / R-Y1 (YUV1 input) or R1
/ G1 / B1 input pin. Input via
capacitor used for clamp operation.
Same as those for pins 25, 26 and 27
32 Ys
High-speed switch for switching input
pins 25, 26, and 27 (YUV2) and input
pins 29, 30, and 31 (YUV1).
The threshold is 0.7 V.
YUV1
―― 0.7 V
YUV2
―― GND
6
2005-08-18