| CPU |
Zilog Z80 CPU with 158 instructions operating at 1.79MHz |
| System Clock |
3.58MHz crystal oscillator divided by two reulting in a 0.56 microsecond cycle time |
| RAM |
6116 2Kbyte static RAM |
| User RAM Address Range: 1800h-1FFFh |
| ROM |
2764 8Kbytes EPROM |
| Monitor EPROM Address Range: 0000h-17FFh |
| Memory Expansion |
Socket for 2732/2764 EPROM or 6116/6264 Static RAM |
| On-board Expansion Address Range: 2000h-3FFFh |
| I/O Ports |
8255 Programmable Peripheral Interface (PPI) chip providing 24 digital I/O lines (used by system for keyboard scanning and control of seven-segment LED displays) |
| Input/Output Address Range: 00h-03h |
| Socket for optional Z80 Peripheral Input/Output (PIO) chip providing 16 digital I/O lines |
| Input/Output Address Range: 80h-83h |
| Socket for optional Z80 Counter/Timer (CTC) chip providing four independent counter/ timer channels |
| Input/Output Address Range: 40h-43h |
| Display |
Six digit half-inch seven-segment red LED display |
| Keyboard |
36 keys including, 16 hexadecimal keys, 19 function keys, and one user-definable key |
| Speaker |
A 1.5 inch diameter speaker is provided for use by user |
| Audio Tape Interface |
Ear and microphone jacks for connection to audio cassette recorders for program storage and retrieval |
| Data transmission rate: 165 bits per second |
| Wire Wrap Area |
A 3.5 inch by 1.36 inch wire wrapping area is provided to aid user expansion and prototyping |
| Power Supply |
The board operates from a single 5V power supply and has a current consumption of 500mA |
| A 110/120V 50/60Hz or 220/240V 50/60Hz power adapter is included (please specify which is required when ordering) |
| Physical Characteristics |
Dimensions: 1575mm wide, 2230mm deep, 160mm high without case |
| Weight: 1.41lb including case |
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