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| PartNumber | STM32F042C4T6 | STM32F042C6T6 | STM32F042C4U6 |
| 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 | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | LQFP-48 | LQFP-48 | UFQFN-48 |
| Series | STM32F042C4 | STM32F042C6 | STM32F042C4 |
| Core | ARM Cortex M0 | ARM Cortex M0 | ARM Cortex M0 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz |
| Program Memory Size | 16 kB | 32 kB | 32 kB |
| Data RAM Size | 6 kB | 6 kB | 6 kB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| Number of I/Os | 38 I/O | 38 I/O | 38 I/O |
| Operating Supply Voltage | 2 V to 3.6 V | 2 V to 3.6 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | SRAM | SRAM |
| Interface Type | CAN, CEC, I2C, SPI, USART, USB | CAN, CEC, I2C, I2S, SPI, USART, USB | I2C , CAN , LIN , SPI , UART |
| Analog Supply Voltage | 2 V to 3.6 V | - | 1.65 V to 3.6 V |
| I/O Voltage | 1.65 V to 3.6 V | - | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of ADC Channels | 13 Channel | 10 | - |
| Number of Timers/Counters | 5 x 16 bit, 1 x 32 bit | 6 Timer | 4 x 16 bit , 1 x 32 bit |
| Processor Series | STM32F0 | ARM Cortex M | STM32L0 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 1500 | 1560 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | 3.6 V |
| Supply Voltage Min | 2 V | - | 1.65 V |
| Tradename | STM32 | STM32 | STM32 |
| Watchdog Timers | Watchdog Timer, Windowed | - | Watchdog Timer |
| Unit Weight | 0.006886 oz | 0.006409 oz | 0.091712 oz |