Document
STM32L496xx
Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100 DMIPS, up to 1 MB flash, 320 KB SRAM, USB OTG FS, audio, external SMPS
Datasheet - production data
Features
Includes ST state-of-the-art patented technology
• Ultra-low-power with FlexPowerControl – 1.71 V to 3.6 V power supply – -40 °C to 85/125 °C temperature range
– 320 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
– 25 nA Shutdown mode (5 wakeup pins)
– 108 nA Standby mode (5 wakeup pins) – 426 nA Standby mode with RTC – 2.57 µA Stop 2 mode, 2.86 µA Stop 2 with
RTC
– 91 µA/MHz run mode (LDO mode) – 37 μA/MHz run mode (at 3.3 V SMPS
mode) – Batch acquisition mode (BAM)
– 5 µs wakeup from Stop mode – Brown out reset (BOR) in all modes except
shutdown – Interconnect matrix • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from flash memory, frequency up to 80 MHz, MPU, 100 DMIPS and DSP instructions
• Performance benchmark – 1.25 DMIPS/MHz (Drystone 2.1) – 273.55 Coremark® (3.42 Coremark/MHz at 80 MHz)
• Energy benchmark – 279 ULPMark™ CP score
– 80.2 ULPMark™ PP score
• 16 timers: 2x 16-bit advanced motor-control, 2x 32-bit and 5x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
LQFP64 (10 x 10) LQFP100 (14 x 14)
LQFP144 (20 × 20)
WLCSP100L
WLCSP115 (4.63 x 4.15 mm)
UFBGA169 (7 x 7) UFBGA132 (7 × 7)
• RTC with HW calendar, alarms and calibration
• Up to 136 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
• Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D)
• 8- to 14-bit camera interface up to 32 MHz (black & white) or 10 MHz (color)
• Memories – Up to 1 MB flash, 2 banks read-while-write, proprietary code readout protection – 320 KB of SRAM including 64 KB with hardware parity check – External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories – Dual-flash Quad SPI memory interface
• Clock sources – 4 to 48 MHz crystal oscillator – 32 kHz crystal oscillator for RTC (LSE) – Internal 16 MHz factory-trimmed RC (±1%) – Internal low-power 32 kHz RC (±5%) – Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25% accuracy) – Internal 48 MHz with clock recovery – 3 PLLs for system clock, USB, audio, ADC
• LCD 8× 40 or 4× 44 with step-up converter
• Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
November 2022
This is information on a product in full production.
DS11585 Rev 17
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STM32L496xx
• 4x digital filters for sigma delta modulator
• Rich analog peripherals (independent supply) – 3× 12-bit ADCs 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps
– 5x U(S)ARTs (ISO 7816, LIN, IrDA, modem)
– 1x LPUART
– 3x SPIs (4x SPIs with the Quad SPI)
– 2x 12-bit DAC output channels, low-power
– 2x CANs (2.0B Active) and SDMMC
sample and hold
– SWPMI single wire protocol master I/F
– 2x operational amplifiers with built-in PGA
– IRTIM (Infrared interface)
– 2x ultra-low-power comparators
• 14-channel DMA controller
• 20x communication interfaces – USB OTG 2.0 full-speed, LPM and BCD – 2x SAIs (serial audio interface) – 4x I2C FM+(1 Mbit/s), SMBus/PMBus
• True random number generator • CRC calculation unit, 96-bit unique ID • Development support: serial wire debug
Table 1. Device summary
Reference
Part numbers
STM32L496xx
STM32L496AG, STM32L496QG, STM32L496RG, STM32L496VG, STM32L496WG, STM32L496ZG, STM32L496AE, STM32L496QE, STM32L496RE, STM32L496VE, STM32L496ZE
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STM32L496xx
Contents
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.1 Arm® Cortex®-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 18
3.3 Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4 Embedded flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.5 Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.6 Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.7 Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.8 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . ..