| Part Number | MCF51AC128CCFGER | MCF51AC128CCFUER | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Obsolete | 
| Core Processor | Coldfire V1 | Coldfire V1 | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 50MHz | 50MHz | 
| Connectivity | I²C, SCI, SPI | I²C, SCI, SPI | 
| Peripherals | LVD, PWM, WDT | LVD, PWM, WDT | 
| Number of I/O | 36 | 54 | 
| Program Memory Size | 128KB (128K x 8) | 128KB (128K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 16K x 8 | 16K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | A/D 9x12b | A/D 20x12b | 
| Oscillator Type | External | External | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-LQFP | 64-QFP | 
| Supplier Device Package | 44-LQFP (10x10) | 64-QFP (14x14) |