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7478 Fiches technique(PDF) 2 Page - Renesas Technology Corp |
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7478 Fiches technique(HTML) 2 Page - Renesas Technology Corp |
2 / 48 page MITSUBISHI MICROCOMPUTERS 7477/7478 GROUP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER DESCRIPTION The 7477/7478 group is the single-chip microcomputer designed with CMOS silicon gate technology. The single-chip microcomputer is useful for business equipment and other consumer applications. In addition to its simple instruction set, the ROM, RAM, and I/O addresses are placed on the same memory map to enable easy programming. In addition, built-in PROM type microcomputers with built-in elec- trically writable PROM, and additional functions equivalent to the mask ROM version are also available. 7477/7478 group products are shown noted below. The 7477 and the 7478 differ in the number of I/O por ts, package outline, and clock generating circuit only. Version Mask ROM version One Time PROM version (Built-in PROM type microcomputers) Mask ROM version One Time PROM version (Built-in PROM type microcomputers) PROM version (Built-in PROM type microcomputer) Mask ROM version One Time PROM version (Built-in PROM type microcomputers) Mask ROM version One Time PROM version (Built-in PROM type microcomputers) Product M37477M4-XXXSP/FP M37477M8-XXXSP/FP M37477E8SP/FP M37477E8-XXXSP/FP M37478M4-XXXSP/FP M37478M8-XXXSP/FP M37478E8SP/FP M37478E8-XXXSP/FP M37478E8SS M37477M2TXXXSP/FP* M37477M4TXXXSP/FP* M37477M8TXXXSP/FP* M37477E8TXXXSP/FP* M37478M2TXXXSP/FP* M37478M4TXXXSP/FP* M37478M8TXXXSP/FP* M37478E8TXXXSP/FP* q8-bit timers ................................................................................. 4 qProgrammable I/O ports (Ports P0, P1, P4) .......................................... 18 (7477 group) 20 (7478 group) qInput ports (Ports P2, P3) .................................... 8 (7477 group) (Ports P2, P3, P5) ............................16 (7478 group) q8-bit serial I/O ........................... 1 (UART or clock-synchronized) q8-bit A-D converter ................................ 4 channels (7477 group) 8 channels (7478 group) APPLICATIONS Audio-visual equipment, VCR, Tuner, Office automation equipment Extended operating temperature range version ……………………………………………… Automotive controls * : Extended operating temperature version FEATURES qBasic machine-language instructions ...................................... 71 qMemory size ROM ................. 16384 bytes (M37477M8/E8, M37478M8/E8) RAM ..................... 384 bytes (M37477M8/E8, M37478M8/E8) qThe minimum instruction execution time ...................................... 0.5 µs (at 8MHz oscillation frequency) qPower source voltage .......... 2.7 to 4.5V (at 2.2VCC – 2.0MHz oscillation frequency) ............................. 4.5 to 5.5V (at 8MHz oscillation frequency) qPower dissipation in normal mode .................................... 35mW (at 8MHz oscillation frequency) qSubroutine nesting ................... 192 levels max. (M37477M8/E8, M37478M8/E8) qInterrupt .................................................... 13 sources, 11 vectors |
Numéro de pièce similaire - 7478 |
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Description similaire - 7478 |
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