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NAME  

Micro-Master 8000

MANUFACTURER  

NRI

TYPE  

Single Board Microprocessor Trainer

ORIGIN  

U.S.A.

YEAR  

1987

BUILT IN LANGUAGE 

Monitor in ROM

KEYBOARD  

24 key hexadecimal with monitor command keys

CPU  

8085A

SPEED  

3 MHz. 1.3s. Instruction cycle

COPROCESSOR  

None

RAM  

256 bytes

VRAM  

None

ROM  

2 KB

SIZE 

7” (W) x 7” (D) x 0.5” (H).

I/O PORTS 

Two 8-bit and one 6-bit I/O ports

BUILT IN MEDIA 

None

OS  

Monitor in ROM

POWER SUPPLY 

External 5V power supply unit

PERIPHERALS  

Expansion area on board

PRICE  

Unknown

 

Micro-Master 8000

NRI Micro-Master 8000 is a single board microprocessor trainer based on 8-bit 8085 CPU. The trainer was sold as do-it-yourself kit and was designed to teach the basics of the microcomputers and programming. The MM 8000 was very similar in it's design and functions to the Intel SDK-85 board.

The Micro-Master 8000 was a complete 8085A (5 for 'first 5 Volt microprocessor') microcomputer system on a single board including ROM and RAM memory, a 24 key hexadecimal keyboard, a 2 digit LED display and an 8 single LEDs, I/O connections and an expansion area allowing memory and I/O expansions as well as hardware experiments. The memory area consists of 2 KB monitor software in the ROM and 256 bytes of RAM. User could enter and read program results through either the built-in keyboard/display or using a serial Teletype through the built-in serial TTY interface.

A large set of assembly and testing manuals were delivered with the board along with the 14 "lessons", which were describing various experiments and functions of the system.


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