| Part Number | MC68HC11F1CFN4R2 | MC68HC11F1CFN3R2 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Core Processor | HC11 | HC11 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 4MHz | 3MHz | 
| Connectivity | SCI, SPI | SCI, SPI | 
| Peripherals | POR, WDT | POR, WDT | 
| Number of I/O | 30 | 30 | 
| Program Memory Size | - | - | 
| Program Memory Type | ROMless | ROMless | 
| EEPROM Size | 512 x 8 | 512 x 8 | 
| RAM Size | 1K x 8 | 1K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Data Converters | A/D 8x8b | A/D 8x8b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 68-LCC (J-Lead) | 68-LCC (J-Lead) | 
| Supplier Device Package | 68-PLCC (24.21x24.21) | 68-PLCC (24.21x24.21) |