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7540 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0011-0400 Rev.4.00
Jun 21, 2004
DESCRIPTION
The 7540 Group is the 8-bit microcomputer based on the 740 family core technology. The 7540 Group has a serial I/O, 8-bit timers, a 16-bit timer, 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 ......................... 0.34 µs
(at 6 MHz oscillation frequency, double-speed mode for the shortest instruction) • Memory size ROM ............................................ 8 K to 32 K bytes
RAM ............................................. 384 to 768 bytes • Programmable I/O ports .......................