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| Part Number | MKW37A512VFT4 | MKW39A512VFT4 | MKW38A512VFT4 | MKW37Z512VFT4 |
|---|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. | NXP USA Inc. |
| Product Status | Active | Active | Active | Active |
| Core Processor | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Speed | 48MHz | 48MHz | 48MHz | 48MHz |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Number of I/O | - | - | - | - |
| Program Memory Size | 512KB (512K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 512KB (512K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash |
| EEPROM Size | - | 8K x 8 | 8K x 8 | - |
| RAM Size | 64K x 8 | 64K x 8 | 64K x 8 | 64K 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 16b SAR | A/D 16b SAR | A/D 16b SAR | A/D 16b SAR |
| 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, Wettable Flank | Surface Mount, Wettable Flank | Surface Mount, Wettable Flank | Surface Mount, Wettable Flank |
| Package / Case | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad | 48-VFQFN Exposed Pad |
| Supplier Device Package | 48-HVQFN (7x7) | 48-HVQFN (7x7) | 48-HVQFN (7x7) | 48-HVQFN (7x7) |
