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| PartNumber | STM32F401CBY6TT | STM32F401CBY6TR | STM32F401CBY6 |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU DSP w/ FPU ARM Cortex-M4 MCU | ARM-based 32-bit MCU+FPU, 84MHz, 128kB Flash, 49-pin WLCSP, -40 to 85°C (Alt: STM32F401CBY6) |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLCSP-49 | WLCSP-49 | - |
| Series | STM32F4 | STM32F4 | STM32 F4 |
| 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 | 128KB (128K x 8) |
| 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 | - |
| 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 | + 85 C | + 85 C | + 85 C |
| Product | MCU+FPU | MCU+FPU | - |
| Program Memory Type | Flash | Flash | FLASH |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | I2C, SPI / I2S, SDIO, USART, USB | I2C, SPI / I2S, SDIO, USART, USB | I2C SPI UART |
| Number of ADC Channels | 10 Channel | 10 Channel | 10 |
| Number of Timers/Counters | 8 Timer | 8 Timer | - |
| Processor Series | STM32F401 | STM32F401 | ARM Cortex-M |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 1.7 V | 1.7 V | - |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer, Windowed | Watchdog Timer, Windowed | - |
| Packaging | - | Reel | Tape & Reel (TR) |
| Moisture Sensitive | - | Yes | - |
| Package Case | - | - | WLCSP-48 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 49-WLCSP |
| Number of I O | - | - | 36 |
| Speed | - | - | 84MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | ARMR CortexR-M4 |
| RAM Size | - | - | 64K x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, LIN, SDIO, SPI, UART/USART, USB OTG |
| Voltage Supply Vcc Vdd | - | - | 1.7 V ~ 3.6 V |
| Core Size | - | - | 32-Bit |
| Data Converters | - | - | A/D 10x12b |
| Oscillator Type | - | - | Internal |
| Number of I Os | - | - | 36 I/O |
| Number of Timers Counters | - | - | 7 Timer |