| PartNumber | MC68HC11E1CFNE2 | MC68HC11E1CFNE3 | MC68HC11E1CFNE2R |
| Description | 8-bit Microcontrollers - MCU 8BIT MCU 512 BYTES RAM | 8-bit Microcontrollers - MCU 8 Bit 3MHz | 8-bit Microcontrollers - MCU 8B MCU 512 BYTES EE |
| Manufacturer | NXP | NXP | NXP |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | PLCC-52 | PLCC-52 | PLCC-52 |
| Series | 68HC11E1 | 68HC11E1 | 68HC11E1 |
| Core | HC11 | HC11 | HC11 |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 2 MHz | 3 MHz | 2 MHz |
| Program Memory Size | 0 B | 0 B | - |
| Data RAM Size | 512 B | 512 B | 512 B |
| ADC Resolution | 8 bit | 8 bit | 8 bit |
| Number of I/Os | 38 I/O | 22 I/O | 38 I/O |
| Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Packaging | Tube | Tube | Reel |
| Height | 3.69 mm | 3.69 mm | 3.69 mm |
| Length | 19.2 mm | 19.2 mm | 19.2 mm |
| Product | MCU | MCU | - |
| Program Memory Type | ROMLess | Flash | ROMLess |
| Width | 19.2 mm | 19.2 mm | 19.2 mm |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Interface Type | SCI, SPI | SCI, SPI | SCI, SPI |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 8 | 8 | 8 |
| Number of Timers/Counters | 8 Timer | 8 Timer | 8 Timer |
| Processor Series | M68HC11E | M68HC11E | HC11E |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 23 | 23 | 450 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Part # Aliases | 935313465574 | 935318971574 | 935313465518 |
| Unit Weight | 0.104501 oz | 0.104501 oz | 0.104501 oz |
| Data ROM Type | - | Flash | - |