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M37542RSS Datasheet(PDF) 1 Page - Renesas Technology Corp |
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M37542RSS Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 122 page  DESCRIPTION The 7542 Group is the 8-bit microcomputer based on the 740 fam- ily core technology. The 7542 Group has serial interfaces, 8-bit timers, 16-bit timers, and an A/D converter, and is useful for control of home electric ap- pliances and office automation equipment. FEATURES • Basic machine-language instructions ...................................... 71 • The minimum instruction execution time ............................. 0.25 µs (at 8 MHz oscillation frequency, double-speed mode for the shortest instruction) • Memory size Flash memory version: ROM ..................... 16 to 32K + 4K bytes RAM ..................................... 1024 bytes Mask ROM version: ROM ............................. 8K to 16K bytes RAM ............................ 384 to 512 bytes RSS version RAM ..................................... 1024 bytes • Programmable I/O ports 29 (25 in 32-pin version and PWQN0036KA-A package version) • Interrupts ................................................. 18 sources, 16 vectors • Timers ............................................................................. 8-bit ✕ 2 ...................................................................................... 16-bit ✕ 2 • Output compare ............................................................ 4-channel • Input capture ................................................................ 2-channel • Serial interface ............ 8-bit ✕ 2 (UART or Clock-synchronized) • A/D converter ............................................... 10-bit ✕ 8 channels (6 channels in 32-pin version and PWQN0036KA-A package version) • Clock generating circuit ............................................. Built-in type (low-power dissipation by an on-chip oscillator) (connected to external ceramic resonator or quartz-crystal oscillator permitting RC oscillation) • Watchdog timer ............................................................ 16-bit ✕ 1 • Power source voltage XIN oscillation frequency at ceramic oscillation, in double-speed mode At 8 MHz .................................................................... 4.5 to 5.5 V XIN oscillation frequency at ceramic oscillation, in high-speed mode At 8 MHz .................................................................... 4.0 to 5.5 V At 4 MHz .................................................................... 2.4 to 5.5 V At 2 MHz .................................................................... 2.2 to 5.5 V XIN oscillation frequency at RC oscillation in high-speed mode or middle-speed mode At 4 MHz .................................................................... 4.0 to 5.5 V At 2 MHz .................................................................... 2.4 to 5.5 V At 1 MHz .................................................................... 2.2 to 5.5 V • Power dissipation ................................................ 27.5 mW (Typ.) • Operating temperature range ................................... –20 to 85 °C APPLICATION Office automation equipment, factory automation equipment, home electric appliances, consumer electronics, etc. Rev.3.03 Jul 11, 2008 Page 1 of 117 REJ03B0006-0303 7542 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER REJ03B0006-0303 Rev.3.03 Jul 11, 2008 |
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