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| Part Number | MK21FX512VMC12 | MK21FX512VMD12 | MK22FX512VMC12 | MK21FX512AVMC12 |
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | Freescale Semiconductor | Freescale Semiconductor | NXP USA Inc. |
| Product Status | Not For New Designs | Active | Active | Active |
| Core Processor | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 120MHz | 120MHz | 120MHz | 120MHz |
| Connectivity | CANbus, I²C, IrDA, SPI, UART/USART, USB, USB OTG | CANbus, I²C, IrDA, SPI, UART/USART, USB, USB OTG | CANbus, EBI/EMI, 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 | DMA, I²S, LVD, POR, PWM, WDT | DMA, I²S, LVD, POR, PWM, WDT |
| Number of I/O | 64 | 104 | 64 | 81 |
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) | 512KB (512K x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| EEPROM Size | - | 4K x 8 | - | - |
| RAM Size | 128K x 8 | 128K x 8 | 64K x 8 | 128K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V | 1.71V ~ 3.6V | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Data Converters | A/D 40x16b; D/A 2x12b | A/D 2x12b; D/A 2x12b | A/D 38x16b; D/A 2x12b | A/D 42x16b; D/A 2x12b |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 121-LFBGA | 144-LBGA | 121-LFBGA | 121-LFBGA |
| Supplier Device Package | 121-MAPBGA (8x8) | 144-LBGA (13x13) | 121-MAPBGA (8x8) | 121-MAPBGA (8x8) |
