STM32L433xx Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, ext. SMPS Datasheet - production data Features Includes ST state-of-the-art patented LQFP48 (7 x 7 mm) UFQFPN48 UFBGA64 THIN WLCSP49 technology LQFP64 (7 x 7 mm) (5 x 5 mm) (3.14 x 3.15 x 0.20 mm) (10 x 10 mm) UFBGA100 STANDARD WLCSP49 Ultra-low-power with FlexPowerControl LQFP100 (7 x 7 mm) (3.141 x 3.127 x 0.38 mm) (14 x 14 mm) STANDARD WLCSP64 1.71 V to 3.6 V power supply (3.141 x3.127 x 0.38 mm) -40 C to 85/105/125 C temperature range Internal multispeed 100 kHz to 48 MHz 200 nA in V mode: supply for RTC and BAT oscillator, auto-trimmed by LSE (better than 32x32-bit backup registers 0.25 % accuracy) 8 nA Shutdown mode (5 wakeup pins) Internal 48 MHz with clock recovery 28 nA Standby mode (5 wakeup pins) 2 PLLs for system clock, USB, audio, ADC 280 nA Standby mode with RTC Up to 83 fast I/Os, most 5 V-tolerant 1.0 A Stop 2 mode, 1.28 A with RTC RTC with HW calendar, alarms and calibration 84 A/MHz run mode (LDO Mode) LCD 8 40 or 4 44 with step-up converter 36 A/MHz run mode ( 3.3 V SMPS Mode) Up to 21 capacitive sensing channels: support Batch acquisition mode (BAM) touchkey, linear and rotary touch sensors 4 s wakeup from Stop mode 11x timers: 1x 16-bit advanced motor-control, Brown out reset (BOR) 1x 32-bit and 2x 16-bit general purpose, 2x 16- bit basic, 2x low-power 16-bit timers (available Interconnect matrix in Stop mode), 2x watchdogs, SysTick timer Core: Arm 32-bit Cortex -M4 CPU with FPU, Memories Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution Up to 256 KB single bank Flash, from Flash memory, frequency up to 80 MHz, proprietary code readout protection MPU, 100DMIPS and DSP instructions 64 KB of SRAM including 16 KB with hardware parity check Performance benchmark Quad SPI memory interface 1.25 DMIPS/MHz (Drystone 2.1) 273.55 CoreMark (3.42 CoreMark/MHz Rich analog peripherals (independent supply) 80 MHz) 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 A/Msps Energy benchmark 2x 12-bit DAC output channels, low-power 347 ULPMark CP score sample and hold 121 ULPMark PP score 1x operational amplifier with built-in PGA Clock Sources 2x ultra-low-power comparators 4 to 48 MHz crystal oscillator 17x communication interfaces 32 kHz crystal oscillator for RTC (LSE) USB 2.0 full-speed crystal less solution Internal 16 MHz factory-trimmed RC (1%) with LPM and BCD Internal low-power 32 kHz RC (5%) 1x SAI (serial audio interface) May 2021 DS11449 Rev 6 1/227 This is information on a product in full production. www.st.comSTM32L433xx 3x I2C FM+(1 Mbit/s), SMBus/PMBus 14-channel DMA controller 4x USARTs (ISO 7816, LIN, IrDA, modem) True random number generator 1x LPUART (Stop 2 wake-up) CRC calculation unit, 96-bit unique ID 3x SPIs (and 1x Quad SPI) Development support: serial wire debug CAN (2.0B Active) and SDMMC interface (SWD), JTAG, Embedded Trace Macrocell SWPMI single wire protocol master I/F All packages are ECOPACK2 compliant IRTIM (Infrared interface) Table 1. Device summary Reference Part numbers STM32L433xx STM32L433CC, STM32L433RC, STM32L433VC, STM32L433CB, STM32L433RB 2/227 DS11449 Rev 6