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STM32L053C8 Dataheets PDF



Part Number STM32L053C8
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Ultra-low-power 32-bit MCU
Datasheet STM32L053C8 DatasheetSTM32L053C8 Datasheet (PDF)

STM32L053C6 STM32L053C8 STM32L053R6 STM32L053R8 Ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, up to 64KB Flash, 8KB SRAM, 2KB EEPROM, LCD, USB, ADC, DAC Datasheet - production data Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.27 µA Standby mode (2 wakeup pins) – 0.4 µA Stop mode (16 wakeup lines) – 0.8 µA Stop mode + RTC + 8-Kbyte RAM retention – 88 µA/MHz in Run mode – 3.5 µs wakeup time (from RAM) – 5 µs wakeup time (from Flash .

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STM32L053C6 STM32L053C8 STM32L053R6 STM32L053R8 Ultra-low-power 32-bit MCU Arm®-based Cortex®-M0+, up to 64KB Flash, 8KB SRAM, 2KB EEPROM, LCD, USB, ADC, DAC Datasheet - production data Features • Ultra-low-power platform – 1.65 V to 3.6 V power supply – -40 to 125 °C temperature range – 0.27 µA Standby mode (2 wakeup pins) – 0.4 µA Stop mode (16 wakeup lines) – 0.8 µA Stop mode + RTC + 8-Kbyte RAM retention – 88 µA/MHz in Run mode – 3.5 µs wakeup time (from RAM) – 5 µs wakeup time (from Flash memory) • Core: Arm® 32-bit Cortex®-M0+ with MPU – From 32 kHz up to 32 MHz max. – 0.95 DMIPS/MHz • Memories – Up to 64-Kbyte Flash memory with ECC – 8-Kbyte RAM – 2 Kbytes of data EEPROM with ECC – 20-byte backup register – Sector protection against R/W operation • Up to 51 fast I/Os (45 I/Os 5V tolerant) • Reset and supply management – Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds – Ultra-low-power POR/PDR – Programmable voltage detector (PVD) • Clock sources – 1 to 25 MHz crystal oscillator – 32 kHz oscillator for RTC with calibration – High speed internal 16 MHz factory-trimmed RC (+/- 1%) – Internal low-power 37 kHz RC – Internal multispeed low-power 65 kHz to 4.2 MHz RC – PLL for CPU clock • Pre-programmed bootloader – USART, SPI supported • Development support – Serial wire debug supported • LCD driver for up to 8×28segments – Support contrast adjustment – Support blinking mode FBGA LQFP64 10x10 mm LQFP48 7x7 mm UFQFPN48 (7x7 mm) TFBGA64 5x5 mm – Step-up converted on board • Rich Analog peripherals – 12-bit ADC 1.14 Msps up to 16 channels (down to 1.65 V) – 12-bit 1 channel DAC with output buffers (down to 1.8 V) – 2x ultra-low-power comparators (window mode and wake up capability, down to 1.65 V) • Up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, DAC, Timers • 8x peripheral communication interfaces – 1x USB 2.0 crystal-less, battery charging detection and LPM – 2x USART (ISO 7816, IrDA), 1x UART (low power) – Up to 4x SPI 16 Mbits/s – 2x I2C (SMBus/PMBus) • 9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, 1x 16-bit basic for DAC, and 2x watchdogs (independent/window) • CRC calculation unit, 96-bit unique ID • True RNG and firewall protection • All packages are ECOPACK2 June 2019 This is information on a product in full production. DS10152 Rev 9 1/136 www.st.com Contents Contents STM32L053x6 STM32L053x8 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.3 Arm® Cortex®-M0+ core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.4 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.5 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.6 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 25 3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.8 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.9 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.10 Direct memory access (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.11 Liquid crystal display (LCD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.12 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.13 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 3.14 3.13.1 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . .


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