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STMicroelectronics STM32L4A6RGT7TR
- Part No.:
- STM32L4A6RGT7TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
STM32L4A6RGT7TR.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:970
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Product details
Overview
STM32L4A6RGT7TR from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, 1 MB flash, 320 KB SRAM, USB OTG FS, AES+HASH crypto acceleration, and integrated SMPS support. It operates from 1.71–3.6 V across –40 °C to 125 °C, delivers 100 DMIPS at 80 MHz, and targets battery-powered industrial sensors and portable medical devices requiring secure, real-time processing.
For engineers reviewing the STM32L4A6RGT7TR datasheet, STM32L4A6RGT7TR pinout, STM32L4A6RGT7TR application, or STM32L4A6RGT7TR equivalent, key selection criteria include its 37 µA/MHz SMPS-enabled run mode, dual-bank read-while-write flash, hardware parity-protected SRAM, and dual CAN 2.0B interfaces for robust fieldbus connectivity.
Technical Context
The device integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 80 MHz, and features a multi-AHB interconnect matrix for concurrent peripheral access without bus contention. Its FlexPowerControl architecture supports seven low-power modes-including 25 nA shutdown and 426 nA standby with RTC-managed via dedicated power control logic and BOR in all active states.
It embeds dual 12-bit ADCs (5 Msps), two 12-bit DACs, two op-amps with PGA, and two ultra-low-power comparators-all with independent analog supply domains. Clocking includes three PLLs (system/USB/audio), internal 48 MHz RC with CRS recovery, and support for external 4–48 MHz crystal and 32 kHz LSE.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU and DSP instructions, 80 MHz max frequency, 100 DMIPS performance |
| Memory | 1 MB dual-bank flash (read-while-write), 320 KB SRAM (64 KB with hardware parity) |
| Power Consumption | 37 µA/MHz in SMPS-run mode; 25 nA in Shutdown mode with 5 wakeup pins |
| Analog Peripherals | 3× 12-bit ADCs (5 Msps), 2× 12-bit DACs, 2× op-amps with PGA, 2× ultra-low-power comparators |
| Communication | 2× CAN 2.0B, USB OTG FS, 5× USART, 4× I²C FM+, 3× SPI, 2× SAI, SDMMC, SWPMI, LPUART |
| Security & Crypto | AES-128/256 hardware accelerator, HASH (SHA-256), true random number generator (RNG), 96-bit unique ID |
| Package | LQFP100 (14 × 14 mm), 100-pin, 0.5 mm pitch, RoHS-compliant, industrial temperature grade (–40 °C to 125 °C) |
Pinout & Package
LQFP100 package with exposed thermal pad, 0.5 mm pitch, 14 × 14 mm body size, and standard JEDEC MO-118AC footprint. Pin count: 100 leads; mounting compatible with reflow soldering per IPC/JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO2 | Main, analog, and I/O power supplies | Independent domains enable noise isolation; VDDIO2 supports down to 1.08 V for low-voltage I/O banks |
| VSS, VSSA | Digital and analog ground returns | Separate analog/digital GND pins reduce coupling noise in mixed-signal operation |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | Up to 136 fast I/Os; most 5 V-tolerant; up to 14 pins support independent 1.08–3.6 V supply |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset button or supervisor IC |
| BOOT0 | Boot mode selection | High at power-up selects system memory bootloader; low selects main flash memory |
| PA11/PA12 | USB OTG FS D+/D− | Dedicated full-speed USB transceiver pins with internal pull-ups; no external PHY required |
| PB8/PB9 | CAN1_RX/CAN1_TX | Direct CAN 2.0B interface with internal transceiver bias; supports 1 Mbit/s data rate |
| PC10/PC11 | CAN2_RX/CAN2_TX | Second CAN channel for redundant or multi-node fieldbus communication |
Key Features
| Feature | Design Value |
|---|---|
| FlexPowerControl low-power modes | 25 nA shutdown, 426 nA standby with RTC, and 5 µs wakeup from Stop mode enable multi-year battery life |
| ART Accelerator™ | Enables 0-wait-state execution from flash at 80 MHz, eliminating external RAM need for deterministic real-time code |
| Dual-bank flash with RWW | Allows firmware updates over-the-air while application runs from second bank-no interruption to critical tasks |
| Hardware crypto accelerators | AES-128/256 and SHA-256 engines offload encryption from CPU, reducing latency and power for secure boot and OTA updates |
| Chrom-ART Accelerator (DMA2D) | Hardware bitmap blending and image format conversion accelerate GUI rendering on embedded LCDs without CPU load |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
Use Scenario: Wireless temperature/humidity/pressure node with LoRaWAN backhaul and local data logging. IC Role / Device Role / Timing Role: Main controller managing sensor acquisition, AES-encrypted data packaging, USB/UART debug interface, and low-power scheduling via RTC and LPTIM. Use Value: 37 µA/MHz SMPS-run mode extends AA battery life to >5 years; dual CAN supports gateway bridging to Modbus RTU networks. | Use Scenario: Handheld ECG/SpO₂ monitor with OLED display, touch interface, and Bluetooth LE telemetry. IC Role / Device Role / Timing Role: Central processor handling analog front-end (ADC/DAC/op-amp), capacitive touch sensing (24 channels), and Chrom-ART-accelerated UI rendering. Use Value: Hardware oversampling (16-bit effective) improves ECG signal fidelity; 2.86 µA Stop2-with-RTC enables instant-on wake from button press. |
| Smart Energy Meter | Automotive Body Control Module |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tamper detection, and PLC/HPLC communication. IC Role / Device Role / Timing Role: System-on-chip executing metrology algorithms, managing isolated RS-485/CAN interfaces, and enforcing secure firmware updates via HASH/AES. Use Value: Dual 12-bit ADCs sample current/voltage simultaneously at 5 Msps; 125 °C rating ensures reliability in enclosed meter cabinets. | Use Scenario: Door module controlling window lift, mirror fold, seat position, and interior lighting with LIN/UART diagnostics. IC Role / Device Role / Timing Role: Real-time controller interfacing with motor drivers, Hall sensors, and LIN transceivers; uses LPUART for low-power diagnostic polling. Use Value: 5 wakeup pins and 25 nA shutdown mode minimize parasitic drain; CAN2.0B interfaces with central gateway for unified vehicle network. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32L4R5ZIT6 | Same L4A6 series core and peripherals but 2 MB flash, 640 KB SRAM, and UFBGA144 package | Better suited for complex GUI or larger OTA images; lacks SMPS support in some variants | Select when >1 MB flash or extra SRAM is required; verify SMPS pin compatibility in target variant |
| STM32L552RET6 | Next-generation Arm Cortex-M33 with TrustZone, 512 KB flash, 256 KB SRAM, and enhanced crypto (AES-GCM, PKA) | Designed for certified secure boot and confidential computing; higher active power (51 µA/MHz) | Choose for applications requiring PSA Level 3 certification or hardware-enforced isolation of secure/non-secure worlds |
Compared with STM32L4A6RGT7TR, the STM32L4R5ZIT6 offers double memory capacity at the cost of larger footprint and potential SMPS omission, while the STM32L552RET6 trades raw ultra-low-power efficiency for mandatory security features-making the L4A6 optimal for cost-sensitive, battery-constrained designs needing proven crypto acceleration without TrustZone overhead.
Availability
STM32L4A6RGT7TR is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, smart energy meters, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for STM32L4A6RGT7TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, MEMS, and analog components for industrial, automotive, and consumer markets.
The STM32L4 series targets ultra-low-power embedded applications demanding high performance-per-milliwatt, advanced security, and rich analog/mixed-signal integration-optimized for battery-operated and energy-harvesting systems.
FAQ
What is the maximum operating temperature range for STM32L4A6RGT7TR?
The STM32L4A6RGT7TR is rated for industrial operation from –40 °C to +125 °C ambient temperature. This extended range is validated per ST's qualification standards and supports deployment in sealed enclosures, under-hood automotive locations, and outdoor industrial environments where thermal management is constrained.
Does STM32L4A6RGT7TR support external SMPS control?
Yes-it integrates dedicated SMPS control signals (VDD12, VDD12_IO, and associated feedback inputs) to drive external switching regulators, reducing system-level power loss by up to 30% versus LDO-only solutions. The datasheet specifies VDD12 = 1.10 V nominal with tight regulation tolerance for stable core voltage scaling.
How many independent ADC instances does this MCU provide?
The STM32L4A6RGT7TR includes three independent 12-bit ADCs, each capable of 5 Msps sampling. They support hardware oversampling up to 16-bit resolution, simultaneous sampling across multiple channels, and flexible trigger sources including timers and external events-enabling synchronized multi-sensor acquisition.
Is the LQFP100 package RoHS-compliant and lead-free?
Yes-the STM32L4A6RGT7TR in LQFP100 packaging meets RoHS Directive 2011/65/EU and is fully lead-free, with matte tin terminal finish. STMicroelectronics confirms compliance in its official product change notifications (PCNs) and material declarations, and the device is qualified for lead-free reflow soldering per JEDEC J-STD-020.
STM32L4A6RGT7TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- STM32L4
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, PWM, WDT, (External SMPS Required)
- Number of I/O:
- 52
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 320K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32L4A6RGT7TR FAQ
1.How can I place an order for STM32L4A6RGT7TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32L4A6RGT7TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32L4A6RGT7TR reliable?
The price and inventory of STM32L4A6RGT7TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32L4A6RGT7TR is usually 5 days.
3.What payment methods are accepted for STM32L4A6RGT7TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32L4A6RGT7TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32L4A6RGT7TR?
STM32L4A6RGT7TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32L4A6RGT7TR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32L4A6RGT7TR?
For technical support, including STM32L4A6RGT7TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32L4A6RGT7TR requirements.
6.How does Aetrix verify that STM32L4A6RGT7TR is sourced from the original manufacturer or authorized distributors?
All STM32L4A6RGT7TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32L4A6RGT7TR meets industry standards.
7.What is the process for return or replacement of STM32L4A6RGT7TR?
All STM32L4A6RGT7TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32L4A6RGT7TR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32L4A6RGT7TR part is unused and in its original packaging.
Return procedure for STM32L4A6RGT7TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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