Interface Abaco® BUS.
General Purpose Controller; R6501AQ 8MHz ROCKWEL CPU;
32K SRAM backed Lithium battery;
32K EPROM; 48 TTL I/O lines;
Watch Dog;
Keyboard controller for 64 key;
7 segment LED Display controller for 16 digits;
1 serial line RS 423 or RS 422; 8
Dip Switch;
4 A/D 11 bits lines;