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M37221EFSP - SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

General Description

The M37221EF-XXXSP and M37221EFSP are single-chip microcomputers designed with CMOS silicon gate technology.

They are housed in a 42-pin shrink plastic molded DIP.

Key Features

  • 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22.
  • Number of basic instructions 71.
  • Memory size ROM 62 K bytes RAM 1216 bytes ROM for display 8 K bytes RAM for display 96 bytes The minimum instruction execution time 0.5 µs (at 8 MHz oscillation frequency) Power source voltage 5 V ± 10 % Power dissipation 165 mW (at 8 MHz oscillation frequency, VCC =5.5V, at CRT display) Subroutine nesting 96 levels (maximum) Interrupts 14 types,.

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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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MITSUBISHI MICROCOMPUTERS M37221EF-XXXSP,M37221EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER DESCRIPTION The M37221EF-XXXSP and M37221EFSP are single-chip microcomputers designed with CMOS silicon gate technology. They are housed in a 42-pin shrink plastic molded DIP. In addition to their simple instruction sets, the ROM, RAM and I/O addresses are placed on the same memory map to enable easy programming. The M37221EF-XXXSP and M37221EFSP have a PWM output function and a OSD display function, so it is useful for a channel selection system for TV. www.DataSheet4U.