STM32L4A6QGI6P

Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 1 Mbyte of Flash memory, USB OTG, LCD, AES-256, DFSDM

Parameters

Sustainable Technology Compliancy	Environmental
Supply Voltage Min Volt	1.71
Supply Voltage Max Volt	3.6
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	85.0
Core	Arm Cortex-M4
ECCN US	5A992.c
ECCN EU	NEC
Packing Type	Tray
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	UFBGA 132 7x7x0.6 P 0.5 mm

Description

The STM32L4A6xG devices are ultra-low-power microcontrollers based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision that supports all Arm® single-precision data-processing...
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The STM32L4A6xG devices are ultra-low-power microcontrollers based on the high-performance Arm^® Cortex^®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision that supports all Arm^® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.

The STM32L4A6xG devices embed high-speed memories (1 Mbyte of flash memory, 320 Kbyte of SRAM), a flexible external memory controller (FSMC) for static memories (for devices with packages of 100 pins and more), a Quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

The STM32L4A6xG devices embed several protection mechanisms for embedded flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.

The devices offer up to three fast 12-bit ADCs (5 Msps), two comparators, two operational amplifiers, two DAC channels, an internal voltage reference buffer, a low-power RTC, two general-purpose 32-bit timer, two 16-bit PWM timers dedicated to motor control, seven general-purpose 16-bit timers, and two 16-bit low-power timers. The devices support four digital filters for external sigma delta modulators (DFSDM).

In addition, up to 24 capacitive sensing channels are available. The devices also embed an integrated LCD driver 8x40 or 4x44, with internal step-up converter.

They also feature standard and advanced communication interfaces, namely four I2Cs, three SPIs, three USARTs, two UARTs and one Low-Power UART, two SAIs, one SDMMC, two CANs, one USB OTG full-speed, one SWPMI (single wire protocol master interface), a camera interface and a DMA2D controller.

The STM32L4A6xG devices embed AES and HASH hardware accelerators.

The STM32L4A6xG operates in the -40 to +85 °C (+105 °C junction), -40 to +125 °C (+130 °C junction) temperature ranges from a 1.71 to 3.6 V V_DD power supply when using internal LDO regulator and a 1.05 to 1.32V V_DD12 power supply when using external SMPS supply. A comprehensive set of power-saving modes makes possible the design of low-power applications.

Some independent power supplies are supported: analog independent supply input for ADC, DAC, OPAMPs and comparators, 3.3 V dedicated supply input for USB and up to 14 I/Os can be supplied independently down to 1.08 V. A VBAT input makes it possible to backup the RTC and backup registers. Dedicated V_DD12 power supplies can be used to bypass the internal LDO regulator when connected to an external SMPS.

The STM32L4A6xG family offers six packages from 64-pin to 169-pin packages.

Key features

Key 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 V_BAT 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 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) Encryption hardware accelerator: AES (128/256-bit key), HASH (SHA-256) Memories 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 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 2x 12-bit DAC output channels, low-power sample and hold 2x operational amplifiers with built-in PGA 2x ultra-low-power comparators 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 5x U(S)ARTs (ISO 7816, LIN, IrDA, modem) 1x LPUART 3x SPIs (4x SPIs with the Quad SPI) 2x CANs (2.0B Active) and SDMMC SWPMI single wire protocol master I/F IRTIM (Infrared interface) 14-channel DMA controller True random number generator CRC calculation unit, 96-bit unique ID Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™

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