TC90A67F

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 · · · · · · · · · · · · · · · · · · · 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 I2C 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 TC90A67F Block Diagram Line Memory Field Memory CVI Y signal Processing YUV/RGB Vertical Filtering PIP Control UP SAMPLING Compsite signal ADC LPF DAC Yout Clamp BPF ACC CLMP Chroma Demo Chroma LPF DAC Rout fsc PLL Sy...