STM32L151VD-X STM32L152VD-X Ultra-low-power 32-bit MCU ARM -based Cortex -M3 with 384KB Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, DAC Datasheet - production data Features Ultra-low-power platform 1.65 V to 3.6 V power supply -40 C to 105 C temperature range WLCSP104 LQFP100 (14 14 mm) (0.4 mm pitch) 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 384 Kbytes of Flash memory with ECC (with 2 banks of 192 Kbytes enabling RWW in Low-power sleep mode capability) 195 A/MHz Run mode 80 Kbytes of RAM 10 nA ultra-low I/O leakage 16 Kbytes of true EEPROM with ECC 8 s wakeup time 128-byte backup register Core: ARM Cortex -M3 32-bit CPU LCD driver (except STM32L151VD-X) up to From 32 kHz up to 32 MHz max 8x40 segments, contrast adjustment, blinking 1.25 DMIPS/MHz (Dhrystone 2.1) mode, step-up converter Memory protection unit Rich analog peripherals (down to 1.8 V) 2x operational amplifiers Up to 23 capacitive sensing channels 12-bit ADC 1 Msps up to 40 channels CRC calculation unit, 96-bit unique ID 12-bit DAC 2 ch with output buffers Reset and supply management 2x ultra-low-power comparators Low-power, ultrasafe BOR (brownout reset) (window mode and wakeup capability) with 5 selectable thresholds DMA controller 12x channels Ultra-low-power POR/PDR 11x peripheral communication interfaces Programmable voltage detector (PVD) 1x USB 2.0 (internal 48 MHz PLL) Clock sources 5x USARTs 1 to 24 MHz crystal oscillator Up to 8x SPIs (2x I2S, 3x 16 Mbit/s) 2 32 kHz oscillator for RTC with calibration 2x I Cs (SMBus/PMBus) Internal 16 MHz oscillator factory trimmed 11x timers: 1x 32-bit, 6x 16-bit with up to 4 RC(+/-1%) with PLL option IC/OC/PWM channels, 2x 16-bit basic timers, 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 PLL for CPU clock and USB (48 MHz) Pre-programmed bootloader USB and USART supported August 2017 DocID027267 Rev 4 1/119 This is information on a product in full production. www.st.comContents STM32L151VD-X STM32L152VD-X 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 2/119 DocID027267 Rev 4