Ultra-low-power 32-bit Arm Cortex-M0+ microcontroller featuring 64KB FLASH memory and 8KB RAM. Operates at up to 32MHz with a 32-bit data bus, supporting I2C, SPI, IrDA, UART, USART, and I2S interfaces. Includes 51 programmable I/Os, 5 timers/counters, and peripherals like DMA, PWM, WDT, POR, and Brown-out Detect. Packaged in LQFP, it operates from 1.8V to 3.6V and within a temperature range of -40°C to 105°C.
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Stmicroelectronics STM32L051R8T7 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Interface | I2C, SPI, IrDA, UART, USART, I2S |
| Max Frequency | 32MHz |
| Max Operating Temperature | 105°C |
| Max Power Dissipation | 444mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.8V |
| Number of I/Os | 51 |
| Number of Programmable I/O | 51 |
| Number of Timers/Counters | 5 |
| Oscillator Type | Internal |
| Package Quantity | 960 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 8KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32 L0 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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