STM32L4A6xG Ultra-low-power Arm Cortex -M4 32-bit MCU+FPU, 100DMIPS, 1MB Flash, 320KB SRAM, USB OTG FS, audio, AES+HASH, ext. SMPS Datasheet - production data Features Includes ST state-of-the-art patented LQFP144 (20 20) UFBGA169 (7 x 7) LQFP100 (14 x 14) technology UFBGA132 (7 7) WLCSP100 LQFP64 (10 x 10) Ultra-low-power with FlexPowerControl RTC with HW calendar, alarms and calibration 1.71 V to 3.6 V power supply Up to 136 fast I/Os, most 5 V-tolerant, up to 14 -40 C to 85/125 C temperature range I/Os with independent supply down to 1.08 V 320 nA in V mode: supply for RTC and BAT 32x32-bit backup registers Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D) 25 nA Shutdown mode (5 wakeup pins) 108 nA Standby mode (5 wakeup pins) 8- to 14-bit camera interface up to 32 MHz (black & white) or 10 MHz (color) 426 nA Standby mode with RTC 2.57 A Stop 2 mode, 2.86 A Stop 2 with Encryption hardware accelerator: AES RTC (128/256-bit key), HASH (SHA-256) 91 A/MHz run mode (LDO mode) Memories 37 A/MHz run mode (at 3.3 V SMPS 1 MB Flash, 2 banks read-while-write, mode) proprietary code readout protection Batch acquisition mode (BAM) 320 KB of SRAM including 64 KB with 5 s wakeup from Stop mode hardware parity check Brown out reset (BOR) in all modes except External memory interface for static shutdown memories supporting SRAM, PSRAM, NOR and NAND memories Interconnect matrix Dual-flash Quad SPI memory interface Core: Arm 32-bit Cortex -M4 CPU with FPU, Adaptive real-time accelerator (ART Clock sources Accelerator) allowing 0-wait-state execution 4 to 48 MHz crystal oscillator from Flash memory, frequency up to 80 MHz, 32 kHz crystal oscillator for RTC (LSE) MPU, 100 DMIPS and DSP instructions Internal 16 MHz factory-trimmed RC (1%) Performance benchmark Internal low-power 32 kHz RC (5%) 1.25 DMIPS/MHz (Drystone 2.1) Internal multispeed 100 kHz to 48 MHz 273.55 Coremark (3.42 Coremark/MHz at oscillator, auto-trimmed by LSE (better than 80 MHz) 0.25% accuracy) Energy benchmark Internal 48 MHz with clock recovery 279 ULPMark CP score 3 PLLs for system clock, USB, audio, ADC 80.2 ULPMark PP score LCD 8 40 or 4 44 with step-up converter 16 timers: 2x 16-bit advanced motor-control, 2x Up to 24 capacitive sensing channels: support 32-bit and 5x 16-bit general purpose, 2x 16-bit touchkey, linear and rotary touch sensors basic, 2x low-power 16-bit timers (available in 4x digital filters for sigma delta modulator Stop mode), 2x watchdogs, SysTick timer October 2021 DS11584 Rev 13 1/278 This is information on a product in full production. www.st.comSTM32L4A6xG Rich analog peripherals (independent supply) 1x LPUART 3 12-bit ADCs 5 Msps, up to 16-bit with 3x SPIs (4x SPIs with the Quad SPI) hardware oversampling, 200 A/Msps 2x CANs (2.0B Active) and SDMMC 2x 12-bit DAC output channels, low-power SWPMI single wire protocol master I/F sample and hold IRTIM (Infrared interface) 2x operational amplifiers with built-in PGA 14-channel DMA controller 2x ultra-low-power comparators True random number generator 20x communication interfaces CRC calculation unit, 96-bit unique ID USB OTG 2.0 full-speed, LPM and BCD Development support: serial wire debug 2x SAIs (serial audio interface) (SWD), JTAG, Embedded Trace Macrocell 4x I2C FM+(1 Mbit/s), SMBus/PMBus 5x U(S)ARTs (ISO 7816, LIN, IrDA, modem) Table 1. Device summary Reference Part numbers STM32L4A6xG STM32L4A6AG, STM32L4A6QG, STM32L4A6RG, STM32L4A6VG, STM32L4A6ZG 2/278 DS11584 Rev 13