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| Part Number | PCF51AC128ACLKE | PCF51AC128CCLKE | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Product Status | Obsolete | Obsolete | 
| Core Processor | Coldfire V1 | Coldfire V1 | 
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 
| Speed | 50MHz | 50MHz | 
| Connectivity | CANbus, I²C, SCI, SPI | I²C, SCI, SPI | 
| Peripherals | LVD, PWM, WDT | LVD, PWM, WDT | 
| Number of I/O | 69 | 69 | 
| Program Memory Size | 128KB (128K x 8) | 128KB (128K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 32K x 8 | 16K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | A/D 24x12b | A/D 24x12b | 
| Oscillator Type | External | External | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 80-LQFP | 80-LQFP | 
| Supplier Device Package | 80-LQFP (14x14) | 80-LQFP (14x14) |