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| PartNumber | STM32F439BIT6 | STM32F439BGT6 | STM32F439AIH6 |
| Description | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS | ARM Microcontrollers - MCU 16/32-BITS MICROS |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | LQFP-208 | - | - |
| Series | STM32F439BI | STM32F439BG | STM32F439AI |
| Core | ARM Cortex M4 | - | - |
| Data Bus Width | 32 bit | - | - |
| Maximum Clock Frequency | 180 MHz | - | - |
| Program Memory Size | 2 MB | - | - |
| Data RAM Size | 256 kB | - | - |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 168 I/O | - | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | - | - |
| Interface Type | CAN, Ethernet, I2C, SAI, SDIO, SPI, UART, USB | - | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| DAC Resolution | 12 bit | 12 bit | 12 bit |
| I/O Voltage | 3.3 V | 3.3 V | 3.3 V |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 24 Channel | - | - |
| Number of Timers/Counters | 12 x 16 bit, 2 x 32 bit | - | - |
| Processor Series | STM32F | ARM Cortex M | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 360 | 360 | 2496 |
| 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 | - | - |
| Unit Weight | 0.091254 oz | 0.091712 oz | - |