COP400 is a family of microcontrollers from National Semiconductor. It can be electronically dumped.
COP400 Product Development System manuals and disks
Mattel Funtronics LED game.
hardware description and pinout
close up of ROM bits - on the right side, 0 bits have been marked with black dots
Mattel Funtronics LED game.
hardware description and pinout
Mattel Funtronics LED game.
hardware description and pinout
Since this was an 8-pin DIP, not all the signals were available to electronically dump it, so I had to visually dump it.
hardware description and pinout
Picture of die with top metal removed
The COP420/421 is another model of the COP400 family. It has 1K of 8-bit ROM and 64 4-bit nibbles of RAM. COP420 has 28 pins, and COP421 has 24 pins. Some games that used it are Milton Bradley Lightfight and Castle Toy Einstein.
Milton Bradley LED game.
hardware description and pinout
Castle Toy Company game.
hardware description and pinout
I Took a Lickin' from a Chicken
LJN game.
hardware description and pinout
Pictures of the cam that moves the chicken
cam bottom flipped to match top view
control rod attached to chicken that cam drives
Coleco game.
hardware description and pinout
Keyboard, mouse, RTC and power switch controller.
ROM array pic from Visual6502 with bits marked
Milton Bradley game. This version added a "code book" to automate placing ships.
hardware description and pinout
National Semiconductor educational calculator. This is a later version that replaced the MM5799 with a COP420
hardware description and pinout
This is also listed in the 1980 National Semiconductor MOS Databook as "MM57455 Advanced Educational Arithmetic Game".
The COP444/445 is another member of the COP400 family. It has 2K of 8-bit ROM and 128 4-bit nibbles of RAM. COP444 has 28 pins and COP445 has 24 pins. One handheld game that used it is Entex Space Invader.
Entex handheld LED game.
hardware description and pinout
full die shot - upper right pad is pin 4, pins numbered CCW, extra ground between 15 and 16
Mattel board game.
hardware description and pinout
