STM32L062K8 STM32L062T8 STM32L062C8 Ultra-low-power 32-bit MCU Arm -based Cortex -M0+, 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC, AES Datasheet - production data Features Ultra-low-power platform 1.65 V to 3.6 V power supply -40 to 125 C temperature range LQFP32 UFQFPN32 Standard and thin (7x7 mm) (5x5 mm) WLCSP36 0.27 A Standby mode (2 wakeup pins) UFQFPN48 (2.61x2.88 mm) 0.4 A Stop mode (16 wakeup lines) (7x7 mm) 0.8 A Stop mode + RTC + 8-Kbyte RAM USART, SPI supported retention Development support 88 A/MHz in Run mode Serial wire debug supported 3.5 s wakeup time (from RAM) Rich Analog peripherals 5 s wakeup time (from Flash memory) 12-bit ADC 1.14 Msps with 10 channels Core: Arm 32-bit Cortex -M0+ with MPU (down to 1.65 V) From 32 kHz up to 32 MHz max. 12-bit 1 channel DAC with output buffers 0.95 DMIPS/MHz (down to 1.8 V) Memories 2x ultra-low-power comparators (window mode and wake up capability, down to 64-Kbyte Flash memory with ECC 1.65 V) 8-Kbyte RAM Up to 14 capacitive sensing channels 2 Kbytes of data EEPROM with ECC supporting touchkey, linear and rotary touch 20-byte backup register sensors Sector protection against R/W operation 7-channel DMA controller, supporting ADC, Up to 29 fast I/Os (25 I/Os 5V tolerant) SPI, I2C, USART, DAC, Timers, AES Reset and supply management 8x peripheral communication interfaces Ultra-safe, low-power BOR (brownout 1x USB 2.0 crystal-less, battery charging reset) with 5 selectable thresholds detection and LPM Ultra-low-power POR/PDR 2x USART (ISO 7816, IrDA), 1x UART (low Programmable voltage detector (PVD) power) Clock sources 3x SPI 16 Mbits/s 32 kHz oscillator for RTC with calibration Up to 2x I2C (SMBus/PMBus) High speed internal 16 MHz factory- 9x timers: 1x 16-bit with up to 4 channels, 2x trimmed RC (+/- 1%) 16-bit with up to 2 channels, 1x 16-bit ultra-low- Internal low-power 37 kHz RC power timer, 1x SysTick, 1x RTC, 1x 16-bit Internal multispeed low-power 65 kHz to basic for DAC, and 2x watchdogs 4.2 MHz RC (independent/window) Internal self calibration of 48 MHz RC for CRC calculation unit, 96-bit unique ID USB True RNG and firewall protection PLL for CPU clock Hardware Encryption Engine AES 128-bit Pre-programmed bootloader All packages are ECOPACK2 August 2020 DS10183 Rev 11 1/124 This is information on a product in full production. www.st.comContents STM32L062x8 Contents 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 Analog-to-digital converter (ADC) 27 3.12 Temperature sensor . 27 3.12.1 Internal voltage reference (V ) . 28 REFINT 3.13 Digital-to-analog converter (DAC) 28 3.14 Ultra-low-power comparators and reference voltage 29 3.15 System configuration controller 29 3.16 Touch sensing controller (TSC) 29 3.17 AES . 30 3.18 Timers and watchdogs . 31 3.18.1 General-purpose timers (TIM2, TIM21 and TIM22) 31 3.18.2 Low-power Timer (LPTIM) . 32 3.18.3 Basic timer (TIM6) . 32 2/124 DS10183 Rev 11