32-bit ARM Cortex-M3 microcontroller featuring 128KB FLASH and 20KB RAM. Operates at up to 72MHz with 51 programmable I/Os. Includes multiple interfaces such as I2C (2 channels), SPI (2 channels), USB, CAN, IrDA, UART, USART, and LIN. Offers 16 ADC channels and 4 timers/counters. Packaged in LQFP with a 10mm x 10mm x 1.45mm footprint, supporting operating temperatures from -40°C to 105°C.
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Stmicroelectronics STM32F103RBT7 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 72MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, CAN, IrDA, UART, USART, LIN |
| Length | 10mm |
| Max Frequency | 72MHz |
| Max Operating Temperature | 105°C |
| Max Power Dissipation | 444mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2V |
| Number of ADC Channels | 16 |
| Number of I/Os | 51 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 51 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT, DMA, Temp Sensor |
| Radiation Hardening | No |
| RAM Size | 20KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32 F1 |
| Watchdog Timer | Yes |
| Width | 10mm |
| RoHS | Compliant |
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