| 80C31 | Microcontroller |
| 80C51FA | Microcontroller |
| 87C51 | Microcontroller |
| 87C51FA | Microcontroller |
| 87C51FB | Microcontroller |
| 87C51FC | Microcontroller |
| 87C51RB+ | Microcontroller |
| 87C51RC+ | Microcontroller |
| 87C52 | Microcontroller |
| 87C54 | Microcontroller |
| 87C58 | Microcontroller |
| 89C51 | Microcontroller |
| 89C52 | Microcontroller |
| 89C54 | Microcontroller |
| 89C58 | Microcontroller |
| P87C51RB2 | Microcontroller |
| P87C51RC2 | Microcontroller |
| P87C51RD2 | Microcontroller |
| P89LV51RD2 | Microcontroller |
| PCF8566 | Microcontroller |
| SC16C2550 | Microcontroller |
| SC16C550 | Microcontroller |
| SC16C650A | Microcontroller |
| SC26C92 | Microcontroller |
| SCC2692 | Microcontroller |
| SCC68692 | Microcontroller |
| SCN68681 | Microcontroller |