| Products | Microcontrollers | MCUs |
80C51 core MCUs
Products
Parametric Filter (126)
| Family | LPC900 (43) LPC700 (9) 80C51 (74) | Don't Care |
| RAM | ≥128B (125) ≥256B (102) ≥512B (55) ≥768B (27) ≥1KB (19) ≥2KB (6) ≥3KB (2) | Don't Care |
| Code Memory | ≥1KB (114) ≥2KB (105) ≥4KB (98) ≥8KB (81) ≥16KB (50) ≥32KB (27) ≥64KB (13) ROMless (12) | Don't Care |
| Code Mem Type | Flash (69) OTP (36) External (12) ROM (9) | Don't Care |
EEPROM (KB)  | ≥512B (43) ≥1KB (43) ≥2KB (35) ≥4KB (26) ≥8KB (19) None (83) | Don't Care |
| GP Timers | 0 (1) 1 (5) 2 (82) 3 (33) 4 (5) | Don't Care |
| Special Timers | WD (100) RTC (64) None (26) | Don't Care |
| Motor PWM | ≥3 (8) None (118) | Don't Care |
| Quadrature | No (126) | Don't Care |
| Standard PWM | 0 (36) 1 (7) 2 (36) 5 (39) 6 (8) | Don't Care |
| UART Interface(s) | 0 (3) 1 (119) 2 (4) | Don't Care |
| I2C Interface(s) | 0 (63) 1 (60) 2 (3) | Don't Care |
| CAN Interface(s) | 0 (122) 1 (3) 2 (1) | Don't Care |
| SPI Interface(s) | 0 (87) 1 (39) | Don't Care |
| USB Interface(s) | None (126) | Don't Care |
| ADC Channel(s) | ≥2 (40) ≥4 (40) ≥8 (18) None (86) | Don't Care |
| DAC Channel(s) | ≥1 (21) ≥2 (8) None (105) | Don't Care |
| ADC/DAC Resolution | 8-Bits (25) 10-Bits (15) | Don't Care |
| I/O Pins | ≤10 (5) 10-20 (27) 20-40 (84) ≥40 (11) | Don't Care |
| Program Security | Available (114) None (12) | Don't Care |
| Clocks/Instruction | 1 (1) 2 (42) 6 (53) 12 (30) | Don't Care |
| Max Clock (MHz) | 7.373 (3) 12 (1) 16 (7) 18 (40) 20 (9) 24 (6) 33 (51) 40 (9) | Don't Care |
| Ext Interrupts | ≥1 (126) ≥2 (118) ≥3 (40) ≥4 (10) ≥5 (10) ≥6 (10) | Don't Care |
| Ext Bus Interface | Yes (73) No (53) | Don't Care |
| Package | PLCC (76) DIL (60) TSSOP (41) LQFP (33) QFP (29) TQFP (12) SO (8) HVQFN (3) HVSON (1) | Don't Care |
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