Ultra-low-power 32-bit Arm Cortex-M3 microcontroller featuring 128KB FLASH memory and 32MHz CPU speed. Integrated peripherals include I2C, SPI, USB, IrDA, UART, USART, LIN interfaces, 8 timers/counters, and DMA. Operates from 1.65V to 3.6V supply, with 51 programmable I/Os and 32KB RAM. Packaged in LQFP, this RoHS compliant MCU offers a wide operating temperature range of -40°C to 85°C.
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Stmicroelectronics STM32L151RBT6A technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Interface | I2C, SPI, USB, IrDA, UART, USART, LIN |
| Lead Free | Lead Free |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 444mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 1.65V |
| Number of I/Os | 51 |
| Number of Programmable I/O | 51 |
| Number of Timers/Counters | 8 |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 32KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32 L1 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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