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Renesas Technology |
www.DataSheet4U.com
M61251AFP
Single-chip NTSC TV signal processor
REJ03F0078-0100Z
Rev.1.0
Sep.22.2003
Description
The M61251AFP is a single-chip TV-signal processor IC for the NTSC format and is ideal for use in combination with
a microcomputer. Processing circuits for all signals, including intermediate-frequency video and audio, video, color, the
on-screen display of characters, and the deflection system are all included, and various functions are controllable via an
I2C bus. Furthermore, a reset circuit, clock circuit, and regulator are included for use with microcomputers.
Features
• Handling of VIF does not require a VCO coil
• Adjustment-free audio demodulator
• PLL-SPLIT SIF system with FM radio function
• Supports component video-signal input
• Fsc output available
• ACL or ABCL is selectable
• Built-in horizontal oscillator
• Built-in sawtooth waveform generator for vertical sync
• Self-diagnostic function
• Built-in black-peak hold, AFC2, color killer filter
• Horizontal / vertical pulse output for OSD
• Built-in microcomputer reset circuit
• Built-in microcomputer clock output
• Built-in 5- and 8-V regulators
Rev.1.0, Sep.22.2003, page 1 of 15
www.DataSMh6ee1t245U1.cAomFP
Block diagram
Rev.1.0, Sep.22.2003, page 2 of 15
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