Ultra-low-power 32-bit Arm Cortex-M3 microcontroller featuring 384KB FLASH and 48KB RAM. Operates at up to 32MHz with a wide supply voltage range of 1.65V to 3.6V. Integrated peripherals include an LCD controller, USB, 3x Op-amps, AES hardware acceleration, and multiple communication interfaces (I2C, SPI, UART, USART, I2S, IrDA). Offers 51 programmable I/Os, 9 timers/counters, DMA, and watchdog timer functionality. Packaged in Tape and Reel, this RoHS compliant MCU operates from -40°C to 85°C.
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| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Interface | I2C, SPI, USB, IrDA, UART, USART, I2S |
| Lead Free | Lead Free |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 290mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 384KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Number of I/Os | 51 |
| Number of Programmable I/O | 51 |
| Number of Timers/Counters | 9 |
| Oscillator Type | Internal |
| Package Quantity | 3000 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA, LCD |
| Radiation Hardening | No |
| RAM Size | 48KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32L1 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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