MMS6508-1

, . " commodore ~ semiconductor group ~~@@ MMS 8508-1 MPS 6508 BASED MICROMODULE BOARD MMS 6508-1 MICROMODULE BOARD Description 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 four sockets that allow the userto have from 8 to 16K bytes of program memory. The sockets are designed to accept ROMs, as well as 2716 or 2532 EPROMS, using +5v supply. The micromodule board also 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 Use +5v/2A power supply 1 M Hz Operation 32 I/O lin...