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| PartNumber | MKL81Z128VMC7 | MKL81Z128VLK7 | MKL81Z128CBH7R |
| Description | ARM Microcontrollers - MCU MKL81Z128VMC7/LFBGA121///TRAY MULTIPLE DP BAKEABLE | ARM Microcontrollers - MCU MKL81Z128VLK7/LQFP80///TRAY MULTIPLE DP BAKEABLE | ARM Microcontrollers - MCU MKL81Z128CBH7/WLCSP64///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 | BGA-121 | LQFP-80 | - |
| Core | ARM Cortex M0+ | ARM Cortex M0+ | ARM Cortex M0+ |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 72 MHz | 72 MHz | 72 MHz |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 96 kB | 96 kB | 96 kB |
| ADC Resolution | 16 bit | 16 bit | 16 bit |
| 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 | + 105 C | + 105 C | + 85 C |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | NXP / Freescale | NXP / Freescale | NXP / Freescale |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, SPI, UART, USB | I2C, I2S, SPI, UART | - |
| Analog Supply Voltage | 1.71 V to 3.6 V | 3.3 V | 1.71 V to 3.6 V |
| Number of ADC Channels | 1 Channel | 16 Channel | - |
| Number of Timers/Counters | 2 x 16 bit, 1 x 32 bit | 12 x 16 bit, 4 x 32 bit | 2 x 16 bit, 1 x 32 bit |
| Processor Series | KL81 | - | KL81 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 348 | 96 | 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 | Watchdog Timer |
| Part # Aliases | 935313028557 | 935316201557 | 935318897098 |
| Unit Weight | 0.006930 oz | 0.017320 oz | 0 oz |
| Data ROM Size | - | 32 kB | - |
| Data ROM Type | - | ROM | - |
| DAC Resolution | - | 6 bit, 12 bit | - |
| I/O Voltage | - | 3.3 V | - |
| Moisture Sensitive | - | Yes | - |