| Part Number | MC711K4CFNE4 | MC711K4CFUE4 | 
|---|---|---|
| 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 | 4MHz | 
| Connectivity | SCI, SPI | SCI, SPI | 
| Peripherals | POR, PWM, WDT | POR, PWM, WDT | 
| Number of I/O | 62 | 62 | 
| Program Memory Size | 24KB (24K x 8) | 24KB (24K x 8) | 
| Program Memory Type | OTP | OTP | 
| EEPROM Size | 640 x 8 | 640 x 8 | 
| RAM Size | 768 x 8 | 768 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| 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 | 84-LCC (J-Lead) | 80-QFP | 
| Supplier Device Package | 84-PLCC (29.29x29.29) | 80-QFP (14x14) |