STMicroelectronics, 32 bit ARM Cortex M3, STM32L15xx6/8/B-A Microcontroller, 32 MHz, 128kB FLASH, 100-Pin LQFP

STM32L152 Series Microcontrollers, STMicroelectronics

STMicroelectronics STM32L152 series microcontrollers feature an ARM Cortex-M3 32-bit core. Suitable for a wide range of portable/battery-powered applications such as gaming, alarm systems, metering and medical equipment and remote sensors for the Internet of Things (IoT).

• 32MHz ARM Cortex-M3 core ultra-low power microcontroller
• Up to 128KB Flash memory with ECC
• Up to 16KB RAM
• 4KB true EEPROM with ECC
• Cyclic Redundancy Check (CRC) calculation unit for memory verification
• Serial interfaces: USART, SPI, I²C, USB
• Up to 24-channel 12-bit ADC
• 2 x 12-bit DACs
• Real-Time Clock (RTC) with backup registers
• Up to 20 x capacitive sensing channels
• LCD driver for up to 8 x 40 segments
• Power supply: +1.8V to +3.6Vdc
• 7 x low-power modes: Sleep, Low-Power Run, Low-Power Sleep, Stop with RTC, Stop without RTC, Standby with RTC, Standby without RTC
• Operating temperature range: -40 to +85°C

STM32L1 Series 32-Bit ARM® Cortex®-M3 Microcontrollers, STMicroelectronics

ARM® Cortex™-M3-based STM32 L1 series uses ST’s proprietary ultra-low-leakage process technology with an innovative autonomous dynamic voltage scaling and five (5) low-power modes offering unprecedented platform flexibility to fit any application. The STM32 L1 series extends the ultra-low power concept with no compromise on performance.

• Ultra-Low-Power mode: 300nA with backup registers (3 wakeup pins)
• Ultra-Low-Power mode + Real Time Clock (RTC): 900nA with backup registers (3 wakeup pins)
• Low-Power Run mode: down to 9μA
• Dynamic Run mode: down to 230μA/MHz