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| PartNumber | STM32F401CBU3 | STM32F401CBU6 | STM32F401CBU6TR |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU | ARM Microcontrollers - MCU High-performance access line, ARM Cortex-M4 core with DSP and FPU, 128 Kbytes Flash, 84 MHz CPU, ART Accelerator |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | UFQFPN-48 | UFQFPN-48 | UFQFPN-48 |
| Series | STM32F401CB | STM32F401CB | STM32F401CB |
| Core | ARM Cortex M4 | ARM Cortex M4 | ARM Cortex M4 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 84 MHz | 84 MHz | 84 MHz |
| Program Memory Size | 128 kB | 128 kB | 128 kB |
| Data RAM Size | 64 kB | 64 kB | 64 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 36 I/O | 36 I/O | 36 I/O |
| Operating Supply Voltage | 1.7 V to 3.6 V | 1.7 V to 3.6 V | 1.7 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 85 C | + 85 C |
| Product | MCU+FPU | MCU+FPU | MCU+FPU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, I2S / SPI, USART, USB OTG FS | I2C, I2S / SPI, USART, USB OTG FS | I2C, I2S / SPI, USART, USB OTG FS |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 10 Channel | 10 Channel | 10 Channel |
| Number of Timers/Counters | 8 Timer | 8 Timer | 8 Timer |
| Processor Series | STM32F401 | STM32F401 | STM32F401 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1560 | 1560 | 2500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.7 V | 1.7 V | 1.7 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer, Windowed | Watchdog Timer, Windowed | Watchdog Timer, Windowed |
| Packaging | - | Tray | - |
| Unit Weight | - | 2.335983 oz | - |