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| Part Number | MCF51AC128ACPUE | MCF51AC128CCPUE | MCF51AC128AVPUE | MCF51AC128ACFUE | 
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | Freescale Semiconductor | NXP USA Inc. | 
| Product Status | Active | Active | Active | Active | 
| Core Processor | - | - | Coldfire V1 | Coldfire V1 | 
| Core Size | - | - | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | - | - | 50MHz | 50MHz | 
| Connectivity | - | - | CANbus, I²C, SCI, SPI | CANbus, I²C, SCI, SPI | 
| Peripherals | - | - | LVD, PWM, WDT | LVD, PWM, WDT | 
| Number of I/O | - | - | 54 | 54 | 
| Program Memory Size | - | - | 128KB (128K x 8) | 128KB (128K x 8) | 
| Program Memory Type | - | - | Flash | Flash | 
| EEPROM Size | - | - | - | - | 
| RAM Size | - | - | 32K x 8 | 32K x 8 | 
| Voltage - Supply (Vcc/Vdd) | - | - | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | - | - | A/D 20x12b | A/D 20x12b | 
| Oscillator Type | - | - | External | External | 
| Operating Temperature | - | - | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | - | - | Surface Mount | Surface Mount | 
| Package / Case | - | - | 64-LQFP | 64-QFP | 
| Supplier Device Package | - | - | 64-LQFP (10x10) | 64-QFP (14x14) |