Ultra-low-power 32-bit Arm Cortex-M3 microcontroller featuring 64KB Flash memory and 32MHz CPU speed. Integrated peripherals include I2C, SPI, USB, IrDA, UART, and USART interfaces, alongside 8 timers/counters and DMA. This surface-mount TFBGA package operates from 1.65V to 3.6V, with a maximum power dissipation of 308mW and an operating temperature range of -40°C to 85°C. Includes 51 I/Os, with 50 programmable, and features include Brown-out Detect/Reset, POR, PWM, and a Watchdog Timer.
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| Package/Case | TFBGA |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Interface | I2C, SPI, USB, IrDA, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 308mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Mount | Surface Mount |
| Number of I/Os | 51 |
| Number of Programmable I/O | 50 |
| Number of Timers/Counters | 8 |
| Oscillator Type | Internal |
| Package Quantity | 640 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32L1 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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