Abaco® BUS interface.
General Purpose Controller;
16 bits 8097 12 MHz INTEL CPU;
16K SRAM Lithium battery backed;
32K EPROM;
32 I/O lines;
2 serial lines:
1 RS 232 line;
1 TTL line; 8 A/D Converter 10 bits lines;
Real Time Clock battery backed; Buzzer;
8 dip switch;
Watch Dog;
4 16 bits Timer;