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M38223M4A-XXXFP - SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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General Description

The 3822 group (A version) is the 8-bit microcomputer based on the 740 family core technology.

The 3822 group (A version) has the LCD drive control circuit, an 8channel A-D converter, and a serial I/O as additional functions.

The various microcomputers in the 3822 group (A version) include variations of internal memory size and packaging.

Overview

3822 Group (A ver.) SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER REJ03B0076-0120Z Rev.1.20 2003.12.

Key Features

  • Basic machine-language instructions 71.
  • The minimum instruction execution time 0.4 µs (at f(XIN) = 10 MHz, High-speed mode).
  • Memory size ROM 16 K to 48 K bytes RAM 512 to 1024 bytes.
  • Programmable input/output ports 49.
  • Software pull-up/pull-down resistors (Ports P0-P7 except port P40).
  • Interrupts 17 sources, 16 vectors (includes key input interrupt).
  • Timers 8-bit ✕ 3, 16-bit ✕ 2.
  • Serial I/O 8-bit ✕ 1 (UART or Clock-synchronized).
  • A-D converter 8-bit.

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