| Products | Microcontrollers | MCUs |
8-bit 80C51 core MCUs
Products
Parametric Filter (120)
| Family | LPC900 (37) LPC700 (9) 80C51 (74) | Don't Care |
| RAM | ≥128B (119) ≥256B (91) ≥512B (54) ≥768B (26) ≥1KB (19) ≥2KB (6) ≥3KB (2) | Don't Care |
| Code Memory | ≥32KB (27) ≥64KB (13) ROMless (12) | Don't Care |
| Code Mem Type | Flash (63) OTP (36) External (12) ROM (9) | Don't Care |
GP Timers  | 0 (1) 1 (5) 2 (76) 3 (33) 4 (5) | Don't Care |
| Special Timers | WD (94) RTC (58) None (26) | Don't Care |
| PWM Channels | 0 (39) 1 (8) 2 (27) 5 (39) 6 (7) | Don't Care |
| UART Interface(s) | 0 (5) 1 (111) 2 (4) | Don't Care |
| I2C Interface(s) | 0 (68) 1 (49) 2 (3) | Don't Care |
| CAN Interface(s) | 0 (116) 1 (3) 2 (1) | Don't Care |
| SPI Interface(s) | 0 (87) 1 (33) | Don't Care |
| USB Interface(s) | 0 (120) | Don't Care |
| ADC Channel(s) | ≥2 (34) ≥4 (34) ≥8 (15) None (86) | Don't Care |
| DAC Channel(s) | ≥1 (19) ≥2 (5) None (101) | Don't Care |
| ADC/DAC Resolution | 8-Bits (19) 10-Bits (15) | Don't Care |
| I/O Pins | ≤10 (10) 10-20 (22) 20-40 (78) ≥40 (11) | Don't Care |
| Program Security | Available (108) | Don't Care |
| Clocks/Instruction | 1 (1) 2 (36) 6 (53) 12 (30) | Don't Care |
| Max Clock (MHz) | 7.373 (5) 12 (1) 16 (7) 18 (32) 20 (9) 24 (6) 33 (51) 40 (9) | Don't Care |
| Ext Interrupts | ≥1 (120) ≥2 (107) ≥3 (38) ≥4 (10) ≥5 (10) ≥6 (10) | Don't Care |
| Ext Bus Interface | Yes (73) No (47) | Don't Care |
| Package | PLCC (76) DIL (60) LQFP (32) TSSOP (31) QFP (29) SO (12) TQFP (12) HVQFN (3) HVSON (2) | Don't Care |
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