Description:

System clock rate 12 MHz,.

40-pin CPU socket/connector for emulation.

Port I and Port 3 signals of CPU are shown on 16 LEDs.

Port A, Port B, & Port C signals of 8255 are shown on 24 LEDs.

8 external control bits, i.e., Port 1 of CPU.

24 external control bits, i.e. Port A, Port B, & Port C of 8255.

Extended 8255 1/0 design.

32K SRAM for external data memory, 6264 or 62256 selectable.

64K EPROM for program memory, 2764 - 27512 selectable.

4 tact switches for T0, T11, INT0, and RESET.

50-pin parallel control interface, controlled by 8255.

Communication port.

+ 5V, + 12V DC power connector.

Dimension 6"(L) X 8 3/4"(W) approximately.