TC90A67F
Preliminary
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC90A67F
Single Chip Picture-in-Picture IC (PAL/NTSC)
TC90A67F is a Picture-in-Picture (PIP) IC including a PIP
controller and a PAL/NTSC decoder function on a chip.
TC90A67F has an ADC, a video decoder, a vertical filter, a field
memory, DACs and so on, so that it is easy to design a PIP
application with the least external components.
Features
Video Decoder for the Sub-Picture
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NTSC, PAL (Europe), M-PAL and N-PAL systems
Automatic color system identification
8-bit ADC for a composite video input
Y/C separation by built-in digital filters
ACC, Color killer circuits
Contrast, Brightness, Tint and Color level controls
Accessible V-chip signal data via. IIC bus
External PLL circuit for main-picture system clock (A recommended IC TI: TLC2933)
525-60 Hz, 626-50 Hz and mixed are available
Vertical filter
Field memory (181 kbit)
PIP mode: Single PIP with 1/9 or 1/16 size, 6 PIPs with 1/36 size
Flexible PIP position
3ch 8-bit DACs for YUV or RGB outputs
YUV to RGB converter
42 MHz crystal oscillator
I
2
C bus control
Package: QFP80
Power supply: 3.3 V
Weight: 1.6 g (typ.)
Main-Picture System Clock
PIP Controller
Others
1
2002-02-06