4 Piece AT89C2051 micro-controller matrix display has a project carried out with proteus isis simulation and has asm hex code files
Atmel AT89C2051
• Compatible with MCS ®-51Products
• 2K Bytes of reprogrammable Flash Memory
– Endurance: 10,000 Write / Erase Cycles
• 2.7V to 6V Operating Range
• Fully Static Operation: 0 Hz to 24 MHz
• Two-level Program Memory Lock
• 128 x 8-bit Internal RAM
• 15 Programmable I / O Lines
• Two 16-bit Timer / Counters
For more detail: Dot Matrix Display Applications using AT89C2051 microcontroller
