SPECIFICATIONS

Based on 8051/89C52 Microcontroller
On board 32K RAM with battery backup
64 K bytes of EPROM with powerful monitor program
Memory expandable upto 256KB using four 28 pin sockets
3 channel programmable timer/counter using 8253
IBM PC compatible keyboard
20 x 2 LCD display for standard model
[Display can be replace by 20×4 or 40×2 on request at additional cost]
48 I/O lines using 2 nos. of 8255
IBM PC keyboard
Two External interrupts INT0 & INT1
RS-232C interface using 8251
One serial USART interface provided by 89C51/89C52
Auxiliary RS-232C using serial pins of 80C31
All data, address and control signals (TTL compatible) available at FRC connector