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| Part Number | MK21FN1M0AVMD12 | MK22FN1M0AVMD12 | MK21FN1M0VMD12 | MK21FN1M0AVMC12 | 
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | 
| Product Status | Active | Active | Not For New Designs | 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, EBI/EMI, I²C, IrDA, SPI, UART/USART, USB, USB OTG | 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 | DMA, I²S, LVD, POR, PWM, WDT | DMA, I²S, LVD, POR, PWM, WDT | 
| Number of I/O | 100 | 100 | 100 | 81 | 
| Program Memory Size | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 1MB (1M x 8) | 
| Program Memory Type | Flash | Flash | Flash | Flash | 
| EEPROM Size | - | - | - | - | 
| RAM Size | 128K x 8 | 128K x 8 | 128K 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 42x16b; D/A 2x12b | A/D 42x16b; D/A 2x12b | A/D 42x16b; D/A 2x12b | A/D 40x16b; 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 | 144-LBGA | 144-LBGA | 144-LBGA | 121-LFBGA | 
| Supplier Device Package | 144-MAPBGA (13x13) | 144-MAPBGA (13x13) | 144-MAPBGA (13x13) | 121-MAPBGA (8x8) |