MMS6508-1 Datasheet (Commodore)

MMS6508-1, MICROMODULE BOARD

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 a tri-state address bus.

The micromodule board has

MMS6508-1 Features

* 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 interrupts and two handshake lines. Block Diagram 256x8 RAM 6508 CPU 16Kx8 ROM/EPROM IKx8 RAM 2114 TRI-PORT INTERFACE (6525) Features