![]() ![]() The devices offer up to 24 capacitive sensing channels to simply add touch sensing functionality to any application. Moreover, the STM32L052圆/8 devices embed standard and advanced communication interfaces: up to two I2C, two SPIs, one I2S, two USARTs, a low-power UART (LPUART), and a crystal-less USB. They also feature two watchdogs, one watchdog with independent clock and window capability and one window watchdog based on bus clock. ![]() The STM32L052圆/8 devices offer several analog features, one 12-bit ADC with hardware oversampling, one DAC, two ultra-low-power comparators, several timers, one low-power timer (LPTIM), three general-purpose 16-bit timers and one basic timer, one RTC and one SysTick which can be used as timebases. It is achieved with a large choice of internal and external clock sources, an internal voltage adaptation and several low-power modes. The STM32L052圆/8 devices provide high power efficiency for a wide range of performance. ![]() The ultra-low-power STM32L052圆/8 microcontrollers incorporate the connectivity power of the universal serial bus (USB 2.0 crystal-less) with the high-performance Arm® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (64 Kbytes of Flash program memory, 2 Kbytes of data EEPROM and 8 Kbytes of RAM) plus an extensive range of enhanced I/Os and peripherals.
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