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| PartNumber | STM32F091CBT7 | STM32F091CBT6TR | STM32F091CBT6 |
| Description | ARM Microcontrollers - MCU Mainstream ARM Cortex-M0 Access line MCU with 128 Kbytes Flash, 48 MHz CPU, CAN and CEC functions | ARM Microcontrollers - MCU Mainstream ARM Cortex-M0 Access line MCU with 128 Kbytes Flash, 48 MHz CPU, CAN and CEC functions | 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 |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | LQFP-48 | - | LQFP-48 |
| Series | STM32F091CB | STM32F091CB | STM32F091CB |
| Core | ARM Cortex M0 | - | ARM Cortex M0 |
| Data Bus Width | 32 bit | - | 32 bit |
| Maximum Clock Frequency | 48 MHz | - | 48 MHz |
| Program Memory Size | 128 kB | - | 128 kB |
| Data RAM Size | 32 kB | - | 32 kB |
| ADC Resolution | 12 bit | - | 12 bit |
| Number of I/Os | 38 I/O | - | 38 I/O |
| Operating Supply Voltage | 2 V to 3.6 V | - | 2 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 105 C | - | + 85 C |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | - | Flash |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Data RAM Type | SRAM | - | SRAM |
| Interface Type | I2C, SPI, USART | - | CAN, CEC, I2C , SPI, USART |
| Analog Supply Voltage | 2.4 V to 3.6 V | - | 2 V to 3.6 V |
| DAC Resolution | 12 bit | - | 12 bit |
| Moisture Sensitive | Yes | - | Yes |
| Number of ADC Channels | 13 Channel | - | 13 Channel |
| Number of Timers/Counters | 5 x 16 bit, 1 x 32 bit | - | 9 Timer |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 1500 | 2400 | 1500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | - | 3.6 V |
| Supply Voltage Min | 2 V | - | 2 V |
| Watchdog Timers | Watchdog Timer, Windowed | - | Watchdog Timer |
| Data ROM Size | - | - | - |
| Data ROM Type | - | - | - |
| I/O Voltage | - | - | 2 V to 3.6 V |
| Processor Series | - | - | STM32 |
| Unit Weight | - | - | 0.474893 oz |