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| PartNumber | STM32L412KBU6 | STM32L412KBT6 | STM32L412KBU3 |
| Description | ARM Microcontrollers - MCU Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS up to 128KB Flash, 40KB SRAM, analog, ext. SMPS | ARM Microcontrollers - MCU Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS up to 128KB Flash, 40KB SRAM, analog, ext. SMPS | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Series | STM32L412KB | STM32L412KB | STM32L4 |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz |
| Data RAM Size | 128 kB | 128 kB | 40 kB |
| ADC Resolution | 12 bit, 16 bit | 12 bit, 16 bit | 12 bit |
| Operating Supply Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V |
| Product | MCU+FPU | MCU+FPU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | CAN, I2C, SPI, UART | CAN, I2C, SPI, UART | I2C, SPI, USART, USB |
| DAC Resolution | 12 bit | 12 bit | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 2940 | 1500 | 2940 |
| 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 |
| Mounting Style | - | - | SMD/SMT |
| Package / Case | - | - | QFN-32 |
| Program Memory Size | - | - | 128 kB |
| Number of I/Os | - | - | 26 I/O |
| Minimum Operating Temperature | - | - | - 40 C |
| Maximum Operating Temperature | - | - | + 125 C |
| Number of ADC Channels | - | - | 10 Channel |
| Tradename | - | - | ARM; Cortex |
| Watchdog Timers | - | - | Watchdog Timer, Windowed |