Product Overview
The STM32L151RET6 from STMicroelectronics is an ultra-low-power ARM Cortex-M3 MCU with 512KB Flash, 80KB SRAM, and rich peripheral set in a LQFP-64 package. Featuring multiple low-power modes down to 290nA, it delivers high performance at extremely low energy consumption for battery-operated and energy-harvesting applications.
Key Specifications
| Core | ARM Cortex-M3 @ 32 MHz |
| Flash | 512 KB |
| SRAM | 80 KB |
| Standby Current | 290 nA (with RTC) |
| Stop Mode Current | 0.5 uA (with RTC) |
| Run Current | 245 uA/MHz |
| ADC | 12-bit, 1 Msps, up to 24 channels |
| DAC | 2x 12-bit |
| Operating Temperature | -40C to +85C |
Features
- Ultra-low-power with 290nA standby and 0.5uA stop mode
- 512KB Flash and 80KB SRAM for complex applications
- 12-bit 1Msps ADC with up to 24 channels
- Dual 12-bit DAC for analog output generation
- Multiple communication interfaces: USART, SPI, I2C, USB
- LCDC controller for direct LCD segment driving
Applications
- Smart meters and energy harvesting systems
- Wearable health monitoring devices
- Industrial sensors and wireless nodes
- Building automation and HVAC controllers