STM32L162xE Ultra-low-power 32-bit MCU ARM -based Cortex -M3 with 512KB Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, DAC, AES Datasheet - production data Features Ultra-low-power platform 1.65 V to 3.6 V power supply LQFP144 (20 20 mm) WLCSP104 -40 C to 105 C temperature range LQFP100 (14 14 mm) (0.4 mm pitch) LQFP64 (10 10 mm) 290 nA Standby mode (3 wakeup pins) 1.11 A Standby mode + RTC Up to 116 fast I/Os (102 I/Os 5V tolerant), all 560 nA Stop mode (16 wakeup lines) mappable on 16 external interrupt vectors 1.4 A Stop mode + RTC Memories 11 A Low-power run mode down to 4.6 A 512 Kbytes of Flash memory with ECC in Low-power sleep mode (with 2 banks of 256 Kbytes enabling RWW 195 A/MHz Run mode capability) 10 nA ultra-low I/O leakage 80 Kbytes of RAM 8 s wakeup time 16 Kbytes of true EEPROM with ECC 128-byte backup register AES 128-bit encryption hardware accelerator LCD driver up to 8x40 segments, contrast Core: ARM Cortex -M3 32-bit CPU adjustment, blinking mode, step-up converter From 32 kHz up to 32 MHz max Rich analog peripherals (down to 1.8 V) 1.25 DMIPS/MHz (Dhrystone 2.1) 2x operational amplifiers Memory protection unit 12-bit ADC 1 Msps up to 40 channels Up to 34 capacitive sensing channels 12-bit DAC 2 ch with output buffers CRC calculation unit, 96-bit unique ID 2x ultra-low-power comparators Reset and supply management (window mode and wake up capability) Low-power, ultrasafe BOR (brownout reset) DMA controller 12x channels with 5 selectable thresholds 11x peripheral communication interfaces Ultra-low-power POR/PDR 1x USB 2.0 (internal 48 MHz PLL) Programmable voltage detector (PVD) 5x USARTs Clock sources Up to 8x SPIs (2x I2S, 3x 16 Mbit/s) 2 1 to 24 MHz crystal oscillator 2x I Cs (SMBus/PMBus) 32 kHz oscillator for RTC with calibration 11x timers: 1x 32-bit, 6x 16-bit with up to 4 Internal 16 MHz oscillator factory trimmed IC/OC/PWM channels, 2x 16-bit basic timers, RC(+/-1%) with PLL option 2x watchdog timers (independent and window) Internal low-power 37 kHz oscillator Development support: serial wire debug, JTAG Internal multispeed low-power 65 kHz to and trace 4.2 MHz oscillator Table 1. Device summary PLL for CPU clock and USB (48 MHz) Reference Part number Pre-programmed bootloader USB and USART supported STM32L162RE, STM32L162VE, STM32L162xE STM32L162ZE August 2017 DocID025882 Rev 7 1/130 This is information on a product in full production. www.st.comContents STM32L162xE Contents 1 Introduction 8 2 Description . 9 2.1 Device overview 10 2.2 Ultra-low-power device continuum .11 2.2.1 Performance . 11 2.2.2 Shared peripherals 11 2.2.3 Common system strategy 11 2.2.4 Features . 11 3 Functional overview 12 3.1 Low-power modes 13 3.2 ARM Cortex -M3 core with MPU 17 3.3 Reset and supply management 18 3.3.1 Power supply schemes . 18 3.3.2 Power supply supervisor 18 3.3.3 Voltage regulator 19 3.3.4 Boot modes 19 3.4 Clock management . 20 3.5 Low-power real-time clock and backup registers . 22 3.6 GPIOs (general-purpose inputs/outputs) . 22 3.7 Memories . 23 3.8 DMA (direct memory access) 23 3.9 LCD (liquid crystal display) 24 3.10 ADC (analog-to-digital converter) . 24 3.10.1 Temperature sensor 24 3.10.2 Internal voltage reference (V ) . 25 REFINT 3.11 DAC (digital-to-analog converter) . 25 3.12 Operational amplifier 25 3.13 Ultra-low-power comparators and reference voltage 26 3.14 System configuration controller and routing interface . 26 3.15 Touch sensing . 26 2/130 DocID025882 Rev 7