Ultra-low-power 32-bit ARM Cortex-M3 microcontroller featuring 128KB FLASH and 16KB RAM. Operates at up to 32MHz with 37 programmable I/Os. Includes multiple interfaces: I2C (2 channels), SPI (2 channels), USB (1 channel), IrDA, UART, USART, and LIN. Integrated peripherals include DMA, POR, PWM, WDT, and I2C. Packaged in LQFP, operating from 1.65V to 3.6V, with a temperature range of -40°C to 85°C.
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Stmicroelectronics STM32L151CBT6 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Frequency | 32MHz |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, IrDA, UART, USART, LIN |
| Lead Free | Lead Free |
| Length | 7.2mm |
| Max Frequency | 32MHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 3.6V |
| Memory Size | 128KB |
| Memory Type | FLASH, , EEPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.65V |
| Number of ADC Channels | 16 |
| Number of I/Os | 37 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 37 |
| Number of SPI Channels | 2 |
| Number of Timers/Counters | 8 |
| Number of USB Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 250 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA, I2C |
| Radiation Hardening | No |
| RAM Size | 16KB |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | STM32L1 |
| Watchdog Timer | Yes |
| Width | 7.2mm |
| RoHS | Compliant |
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