| Part # | description |
|---|---|
| 8051 Manual | MCS 51 uController Family User's Manual |
| 80C31 | 8-bit uController |
| 89C51RC+ / 89C51RD+ | Philips 89C51 uController Family |
| 89C51Rx2 | Double-Clocked Philips 89C51 Family |
| 8xC251 | 80251 uController Family |
| AT89C51 | Atmel 8051 Microcontroller |
| AT89C2051 | Atmel 2051 Microcontroller |
| 27233503 | CHMOS Single-chip 8-bit uController |