STM32L151xC/STM32L152xC is a low-power ARM Cortex-M3 MCU from ST, with 256KB Flash, RTC, LCD, USB, analog functions, 10 serial ports, memory I/F and other features
This document is a technical datasheet for the STM32L151xC and STM32L152xC series of ultralow power ARM-based 32-bit microcontrollers (MCUs). The devices feature a Cortex-M3 CPU core operating at up to 32 MHz, 256 KB of Flash memory with ECC, and 32 KB of RAM. Key capabilities include 10 serial ports, USB 2.0 full-speed interface, LCD controller support, and up to 36 capacitive sensing channels for touch and proximity applications.
| Core | ARM 32-bit Cortex-M3 CPU |
|---|---|
| Maximum frequency | 32 MHz |
| Flash memory | 256 Kbytes |
| RAM | 32 Kbytes |
| Operating voltage range | 1.65 V to 3.6 V |
| ADC resolution | 12-bit |
| Timers | 11 timers |
The maximum frequency is 32 MHz.
The devices include 256 Kbytes of Flash memory with ECC.
The operating power supply range is 1.65 V to 3.6 V (without BOR).