STM32L452xx Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, analog, audio, ext. SMPS Datasheet - production data Features Ultra-low-power with FlexPowerControl 1.71 V to 3.6 V power supply LQFP100 (1414) UFBGA100 (77) WLCSP64 UFQFPN48 (77) LQFP64 (1010) UFBGA64 (55) (3.363.66) -40 C to 85/125 C temperature range LQFP48 (77) 145 nA in V mode: supply for RTC and BAT 2 PLLs for system clock, audio, ADC 32x32-bit backup registers Up to 83 fast I/Os, most 5 V-tolerant 22 nA Shutdown mode (5 wakeup pins) RTC with HW calendar, alarms and calibration 106 nA Standby mode (5 wakeup pins) Up to 21 capacitive sensing channels: support 375 nA Standby mode with RTC touchkey, linear and rotary touch sensors 2.05 A Stop 2 mode, 2.40 A with RTC 12x timers: 1x 16-bit advanced motor-control, 84 A/MHz run mode (LDO Mode) 1x 32-bit and 3x 16-bit general purpose, 2x 16- 36 A/MHz run mode ( 3.3 V SMPS bit basic, 2x low-power 16-bit timers (available Mode) in Stop mode), 2x watchdogs, SysTick timer Batch acquisition mode (BAM) Memories 4 s wakeup from Stop mode Up to 512 KB single bank Flash, Brown out reset (BOR) proprietary code readout protection Interconnect matrix 160 KB of SRAM including 32 KB with Core: Arm 32-bit Cortex -M4 CPU with FPU, hardware parity check Adaptive real-time accelerator (ART Quad SPI memory interface Accelerator) allowing 0-wait-state execution Rich analog peripherals (independent supply) from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 A/Msps Performance benchmark 1x 12-bit DAC output channels, low-power 1.25 DMIPS/MHz (Drystone 2.1) sample and hold 273.55 CoreMark (3.42 CoreMark/MHz 1x operational amplifier with built-in PGA 80 MHz) 2x ultra-low-power comparators Energy benchmark Accurate 2.5 V or 2.048 V reference 335 ULPMark CP score voltage buffered output 104 ULPMark PP score 17x communication interfaces Clock Sources USB 2.0 full-speed crystal less solution 4 to 48 MHz crystal oscillator with LPM and BCD 32 kHz crystal oscillator for RTC (LSE) 1x SAI (serial audio interface) Internal 16 MHz factory-trimmed RC (1%) 4x I2C FM+(1 Mbit/s), SMBus/PMBus Internal low-power 32 kHz RC (5%) 3x USARTs (ISO 7816, LIN, IrDA, modem) Internal multispeed 100 kHz to 48 MHz 1x UART (LIN, IrDA, modem) oscillator, auto-trimmed by LSE (better than 1x LPUART (Stop 2 wake-up) 0.25 % accuracy) 3x SPIs (and 1x Quad SPI) Internal 48 MHz with clock recovery October 2020 DS11912 Rev 7 1/221 This is information on a product in full production. www.st.comSTM32L452xx CAN (2.0B Active) and SDMMC interface CRC calculation unit, 96-bit unique ID IRTIM (Infrared interface) Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell 14-channel DMA controller All packages are ECOPACK2 compliant True random number generator Table 1. Device summary Reference Part numbers STM32L452CC, STM32L452RC, STM32L452VC, STM32L452CE, STM32L452RE, STM32L452xx STM32L452VE 2/221 DS11912 Rev 7