Ultra-low-power 32-bit ARM Cortex-M3 microcontroller featuring 128KB FLASH memory and 16KB RAM. Operates at up to 32MHz with a 3.6V maximum supply voltage. Offers 37 programmable I/Os and includes I2C, SPI, USB, IrDA, UART, and USART interfaces. Integrated peripherals include 8 timers/counters, DMA, and a watchdog timer. Packaged in UFQFPN for tape and reel distribution.
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Stmicroelectronics STM32L151CBU6TR technical specifications.
| Package/Case | UFQFPN |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Interface | I2C, SPI, USB, IrDA, UART, USART |
| Max Frequency | 24MHz |
| Max Operating Temperature | 85°C |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 3.6V |
| Min Supply Voltage | 1.65V |
| Number of I/Os | 37 |
| Number of Programmable I/O | 37 |
| Number of Timers/Counters | 8 |
| Oscillator Type | Internal |
| Package Quantity | 2500 |
| Packaging | Tape and Reel |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| Radiation Hardening | No |
| RAM Size | 16KB |
| RoHS Compliant | Yes |
| Series | STM32L1 |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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