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M37643M8 Description

The 7643 group is the 8-bit microputer based on the 7600 series core (740 family core patible) technology. The 7643 group is designed for PC peripheral devices, including the USB, DMAC, Serial I/O, UART, Timer and so on.

M37643M8 Key Features

  • Basic machine-language instructions
  • Minimum instruction execution time
  • 83 ns (at 24 MHz oscillation frequency)
  • Memory size ROM
  • 32 Kbytes RAM
  • 1 Kbytes
  • Programmable input/output ports
  • Software pull-up resistors
  • Interrupts
  • 14 sources, 14 vectors (external 3 including Key input, internal 10, software 1)