M37542

7542 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER www.DataSheet4U.com REJ03B0006-0303 Rev.3.03 Jul 11, 2008 DESCRIPTION The 7542 Group is the 8-bit microcomputer based on the 740 family 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 appliances 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-chan...