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Mynor single board computer kit - Main Board

Mynor single board computer kit - Main Board
Euro 59.95 *Prices include VAT
Article code:  VOE143-Mynor-A
This is the MyNOR single board computer Main Board kit designed and invented by Dennis Kuschel. Delivered with all the needed parts and includes the already programmed Eprom.

The MyNOR is a single board computer that does not have a CPU. Instead, the CPU consists of discrete logic gates from the 74HC series. There excist more designs without a CPU but this computer also has no ALU which makles it unique. Only a single NOR gate is used to perfom all computations such as addition, subtraction, AND, OR and XOR. This is a very unique design and a must have for every computer technician, hobbyist and electronics tinkerer

This computer is not fast, MyNOR can only perform 2600 8-bit additions per second, although it is clocked at 4 MHz. This is because everything is done in software. MyNOR has a 32 kB ROM for program storage, this is more than enough. The very slim microcode occupies only 9 kB, the remaining 23 kB are used for the application program.

Here we offer a complete kit for the main MyNOR computer complete with all the needed parts and an already programmed Eprom to make one yourself.

With this main board you can experiment yourself with this computer. We also offer some extension boards like a LCD extension board and a VFD board and LED calculator board. But these are not needed for a working computer.

Below we offer the construction manual for download but to read all about this great computer, and the latest version of this manual, go to the website of Dennis Kuschel www.mynor.org where he explains everything in great detail. There is also some example software for download and all the tools and documentation needed to program this computer yourself.

If you also want to connect some extension boards you also need the MYNOR connection cable set. You can order it here below. See at other customers also bought. You only need one set of the connection cables to connect all the extension boards.

The included PCB has the color black so that is different then on the picture but much nicer to look at :-) .

The building kit does not contain IC sockets, only one 28 pins socket for the included programmed  Eprom. If you also want sockets for the MYNOR you can order them . You will need:

1x 8 pins IC socket
4x 14 pins IC socket
4x 16 pins IC socket
11x 20 pins IC socket
1x 28 pins IC socket

MyNOR construction manual  You will always find the latest version of the construction manual on the Mynor website.





Lage voorraad / low stock
This is the MyNOR single board computer Main Board kit designed and invented by Dennis Kuschel. Delivered with all the needed parts and includes the already programmed Eprom.

The MyNOR is a single board computer that does not have a CPU. Instead, the CPU consists of discrete logic gates from the 74HC series. There excist more designs without a CPU but this computer also has no ALU which makles it unique. Only a single NOR gate is used to perfom all computations such as addition, subtraction, AND, OR and XOR. This is a very unique design and a must have for every computer technician, hobbyist and electronics tinkerer

This computer is not fast, MyNOR can only perform 2600 8-bit additions per second, although it is clocked at 4 MHz. This is because everything is done in software. MyNOR has a 32 kB ROM for program storage, this is more than enough. The very slim microcode occupies only 9 kB, the remaining 23 kB are used for the application program.

Here we offer a complete kit for the main MyNOR computer complete with all the needed parts and an already programmed Eprom to make one yourself.

With this main board you can experiment yourself with this computer. We also offer some extension boards like a LCD extension board and a VFD board and LED calculator board. But these are not needed for a working computer.

Below we offer the construction manual for download but to read all about this great computer, and the latest version of this manual, go to the website of Dennis Kuschel www.mynor.org where he explains everything in great detail. There is also some example software for download and all the tools and documentation needed to program this computer yourself.

If you also want to connect some extension boards you also need the MYNOR connection cable set. You can order it here below. See at other customers also bought. You only need one set of the connection cables to connect all the extension boards.


The included PCB has the color black so that is different then on the picture but much nicer to look at :-) .

The building kit does not contain IC sockets, only one 28 pins socket for the included programmed  Eprom. If you also want sockets for the MYNOR you can order them . You will need:

1x 8 pins IC socket
4x 14 pins IC socket
4x 16 pins IC socket
11x 20 pins IC socket
1x 28 pins IC socket

MyNOR construction manual  You will always find the latest version of the construction manual on the Mynor website.





   No CPU or MCU, no ALU, only one discrete NOR gate for computations
   The 8-bit CPU is made of 15 CMOS logic chips, 2 transistors, a ROM and a RAM chip
   additional 4 CMOS logic chips are used to provide digital I/O
   8 kB SRAM for CPU registers, program code and data
   32 kB ROM (OTP EPROM) for microcode and program storage
   64 kB EEPROM for 8 user programs, with auto-boot after power on
   4 MHz CPU clock, can be increased to 8 MHz if chips allow this speed
   The CPU is able of doing up to 2600 8-bit additions per second at 4 MHz CPU clock
   Hardware interrupts (except the non-maskable hardware reset) are not supported
   A stack memory of 256 byte enables nested subroutine calls
   Up to 24 digital outputs and 8 digital inputs with integrated pull-up's
   RS232 interface with 2400 baud @ 4 MHz or 4800 baud @ 8 MHz
   I2C and SPI interfaces to connect peripherals
   Slim microcode architecture with 28 instructions
   The microcode occupies only 9 kB of the ROM, 23 kB are free for the OS
   The Operating System provides lots of useful API functions
   The OS contains a calculator program that can do floating point calculations
   The OS contains a monitor program which allows directly programming MyNOR in assembly
   Software-upload is done via "cut-and-paste" of text-files into the terminal window
   Vintage design that uses only through-hole components on a board with a size of 130x100 mm
   Hardware simulator for Linux and (with limitation) for MS Windows available
   Cross-Assembler for Linux and MS Windows available


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