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| M3776AM8H/MCH/MFH-XXXGP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER 1. DESCRIPTION This microcomputer is a single-chip microcomputer that adopts a high-performance silicon gate CMOS process, and is contained in a 100-pin plastic mold QFP. This single-chip microcomputer is provided with an instruction queue buffer and a data buffer for executing instructions at high speed. The central processing unit runs in a 16-bit parallel processing mode but can be converted into an 8-bit parallel processing mode when necessary. This product has been designed exclusively for video equipment system controls, incorporating a time measuring circuit for VCR servo control, a real-time pattern generating circuit, analog amplifiers, an OSD display circuit, and a data slicer, among its many other peripheral capabilities. REJ03B0145-0100 Rev.1.00 Mar 08, 2005 1.1 FEATURES Number of basic instructions ................................................. 103 Memory size RAM ............ M3776AM8H-XXXGP:2048bytes M3776AMCH-XXXGP:2560bytes M3776AMFH-XXXGP:3072bytes ROM ............ M3776AM8H-XXXGP:64kbytes M3776AMCH-XXXGP:96kbytes M3776AMFH-XXXGP:120kbytes Instruction execution time (fastest instruction, 16 MHz high-speed mode) ................ 250 ns (fastest instruction, 12 MHz double-speed mode) ........................................................................................... 167 ns Single power source In 16 MHz high-speed mode (OSD/data slicer off) ............................................... 4.0 V to 5.5 V (OSD/data slicer on) ........................................... 4.75 V to 5.25 V In 12 MHz double-speed mode (OSD/data slicer off) .............................................. 4.0 V to 5.5 V (OSD/data slicer on) ........................................... 4.75 V to 5.25 V In 32 kHz low-speed mode (OSD/data slicer off) ............................................... 2.6 V to 5.5 V OSD power source ............................................. 4.75 V to 5.25 V Interrupt ......................................................... 23 factors, 6 levels 16-bit timer .................................................................................. 3 8-bit timer .................................................................................... 3 Clock-synchronous serial I/O ..................................................... 2 (one of which can perform automatic 64-byte transfers) I2C-Bus interface (single master) ............................................... 1 8-bit A/D converter...........1 unit (11 channel inputs) 8-bit D/A converter ...................................................................... 2 12/14-bit PWM ............................................................................ 2 14-bit PWM ................................................................................. 1 Time measurement circuit (TMT) One counter for measuring time to generate input signals DRFG, CPFG, CPPG, VSYNG, and GEN One counter for measuring time to generate input signals RLS and RLT Remote-control noise filter (majority of 4 samplings) Real-time pattern (RTP) generation circuit Outputs real-time pattern to exterior, RECCTL signal to CTL head control circuit, trigger for start the A/D converter, trigger for starting OSD vertical display Amplification circuits CTL head control circuit, CTL amplifier, CTL schmidt circuit, drum PG circuit, drum FG circuit, capstan FG circuit, capstan FG amplifier circuit Pulse duty detection circuit (VISS and VASS signal detection features embedded) Measures PBCTL signal duty ratio. Synchronous signal separation circuit EOR output feature (HASW, CROT) .......................... 2-bit output Watchdog timer Programmable I/O ports ........................................................... 69 (Ports P00-P06, P10, P11, P15-P17, P2, P4- P7, P84-P87, P9, P10, P110, P111) Input ports ................................................................................. 10 (Ports P07, P12-P14, P30,P31,P80-P83) 4 Embedded clock-generating circuits Built-in feed-back resistor between XIN-XOUT Built-in feed-back resistor between XCIN-XCOUT CPU double-speed enable (f(XIN) max. 12.0 MHz) ROM correction function included OSD function Display characters ................................ 32 characters 16 lines Kinds of characters ...................... Composite Output 254 kinds RGB Output 285 kinds Kinds of character sizes .................................................... 8 kinds Output method ........ Composite video signal, RGB output (PAL, MPAL, NTSC, NPAL) Special function ...................... Display with background shadow (button display) On-chip sync correct circuit (AFC) Data slicer On-chip slicer for XDS 1.2 APPLICATION VCR, TVCR Rev.1.00 Mar 08, 2005 REJ03B0145-0100 page 1 of 1 REVISION HISTORY Rev. Date Page 1.00 Mar 08, 2005 - First edition issued M3776AM8H/MCH/MFH-XXXGP Description Summary A-1 |
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