MMS6508-1 board equivalent, micromodule board.
the new 6525 tri-port interface. This chip has three eight-bit I/O ports that are bit programmable as twenty-four I/O lines, or sixteen I/O lines, five priority interrupt.
The M MS 6508-1 is the first in a family of single board microcomputers, designed for easy system development. The heart of this micromodule is the new 6508 microprocessor. It has as enhancements, an on-chip eight-bit I/O port, 256 bytes of RAM, and .
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