| Part Number | MK21FX512VLQ12 | MK21FX512AVLQ12 |
|---|---|---|
| Manufacturer | Freescale Semiconductor | NXP USA Inc. |
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers |
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| Product Status | Active | Active |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 120MHz | 120MHz |
| Connectivity | CANbus, I²C, IrDA, SPI, UART/USART, USB, USB OTG | CANbus, I²C, IrDA, SPI, UART/USART, USB, USB OTG |
| Peripherals | DMA, I²S, LVD, POR, PWM, WDT | DMA, I²S, LVD, POR, PWM, WDT |
| Number of I/O | 104 | 100 |
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash |
| EEPROM Size | 4K x 8 | - |
| RAM Size | 128K x 8 | 128K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Data Converters | A/D 2x12b; D/A 2x12b | A/D 42x16b; D/A 2x12b |
| Oscillator Type | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 144-LQFP | 144-LQFP |
| Supplier Device Package | 144-LQFP (20x20) | 144-LQFP (20x20) |