| Manufacturer | Part Number | Description |
|---|---|---|
| Atmel Wireless Atmel Wireless | MD80C51 | CMOS 0 to 44 Mhz Single-Chip 8-Bit Microcontroller |
| Matra Design Semiconductor Matra Design Semiconductor | MD80C51 | CHMOS Single-Chip 8-Bit Microcontroller |
Intel |
MD80C51 | CHMOS Single-Chip 8-Bit Microcontroller |