| Part Number | MK51DX256CLL10 | MK51DX256CLK10 | 
|---|---|---|
| Manufacturer | Freescale Semiconductor | NXP USA Inc. | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | - | ARM® Cortex®-M4 | 
| Core Size | - | 32-Bit Single-Core | 
| Speed | - | 100MHz | 
| Connectivity | - | I²C, IrDA, SPI, UART/USART, USB, USB OTG | 
| Peripherals | - | DMA, I²S, LCD, LVD, POR, PWM, WDT | 
| Number of I/O | - | 39 | 
| Program Memory Size | - | 256KB (256K x 8) | 
| Program Memory Type | - | Flash | 
| EEPROM Size | - | 4K x 8 | 
| RAM Size | - | 64K x 8 | 
| Voltage - Supply (Vcc/Vdd) | - | 1.71V ~ 3.6V | 
| Data Converters | - | A/D 30x16b; D/A 2x12b | 
| Oscillator Type | - | Internal | 
| Operating Temperature | - | -40°C ~ 85°C (TA) | 
| Mounting Type | - | Surface Mount | 
| Package / Case | - | 80-LQFP | 
| Supplier Device Package | - | 80-FQFP (12x12) |