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| PartNumber | MKL03Z32CAF4R | MKL03Z32VFG4 | MKL03Z32CBF4R |
| Description | ARM Microcontrollers - MCU 32KBWLCSP 20 | ARM Microcontrollers - MCU MKL03Z32VFG4/HUQFN16///TRAY MULTIPLE DP BAKEABLE | ARM Microcontrollers - MCU MKL03Z32CBF4/WLCSP20///REEL 13 |
| Manufacturer | NXP | NXP | NXP |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLCSP-20 | QFN-16 | - |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 18 I/O | 14 I/O | 18 I/O |
| Operating Supply Voltage | 1.71 V to 3.6 V | 3.3 V | 1.71 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 105 C | + 105 C |
| Packaging | Reel | Tray | Reel |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 8 kB | 8 kB | - |
| Data ROM Type | ROM | ROM | - |
| Interface Type | I2C, SPI, LPUART | I2C, LPUART, SPI, UART | I2C, SPI, UART |
| Analog Supply Voltage | 1.71 V to 3.6 V | 3.3 V | 1.71 V to 3.6 V |
| DAC Resolution | 6 bit | - | 6 bit |
| I/O Voltage | 3.3 V | 3.3 V | - |
| Number of ADC Channels | 7 Channel | 7 Channel | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 5000 | 490 | 5000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Watchdog Timers | Watchdog Timer | - | Watchdog Timer |
| Part # Aliases | 935318102098 | 935322136557 | 935325063098 |
| Unit Weight | 0.001171 oz | 0.000564 oz | 0 oz |
| Length | - | 3 mm | - |
| Width | - | 3 mm | - |
| Moisture Sensitive | - | Yes | - |
| Number of Timers/Counters | - | 4 Timer | 3 Timer |
| Processor Series | - | KL03 | KL03 |