| Part Number | MCF51AC256BCFGE | MCF51AC256BCFUE |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Active | Active |
| 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 | 256KB (256K x 8) | 256KB (256K 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 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) |