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M37221EFSP Description

The M37221EF-XXXSP and M37221EFSP are single-chip microputers 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.

M37221EFSP Key Features

  • Number of basic instructions
  • Memory size
  • 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