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7540 - SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

General 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.

Key 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 29 (25 in 32-pin version).
  • Interrupts 15 sources, 15 vectors (14 sources, 14 vectors for 32-pin version).
  • Timers 8-bit ✕ 4 16-bit ✕ 1.
  • Serial I/O1 8-bit ✕ 1 (UART or Clock-synchr.

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Datasheet Details

Part number 7540
Manufacturer Renesas
File Size 789.52 KB
Description SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Datasheet download datasheet 7540 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 .......................