STM32L496RGT6 - 80MHz Cortex-M4 MCU, 1MB Flash | STMicroelectronics
MPN: STM32L496RGT6 ✓ نشطSTM32L496RGT6 نظرة عامة
An ultra-low-power microcontroller (MCU) is a single-chip embedded processor that combines a CPU core, non-volatile Flash memory, SRAM, and a rich set of analog and digital peripherals, optimized for minimal energy consumption. Within the power-management hierarchy of embedded systems, MCUs such as the STM32L4 series sit at the application-control layer, executing user firmware while managing sensors, displays, and connectivity with microamp-scale sleep currents. They are commonly contrasted with general-purpose Cortex-M parts and with low-power variants from competing vendors such as NXP, Microchip, and Renesas.
Key features include ST's FlexPowerControl with 320 nA in VBAT mode and 25 nA Shutdown mode (5 wakeup pins), USB OTG Full-Speed, an integrated LCD controller (segment LCD up to 8x40), DFSDM (digital filter for sigma-delta modulators), hardware AES-256 and a HASH accelerator, and support for an external SMPS to reduce core dynamic power. Analog peripherals include a 12-bit ADC, 12-bit DAC, comparators, and operational amplifiers.
Technically, the Cortex-M4 with single-precision FPU and DSP instructions executes DSP-heavy workloads such as audio filtering and sensor fusion, while the proprietary ART Accelerator (Adaptive Real-Time) keeps the 80 MHz core fed from Flash with zero-wait-state access for most code paths. The peripheral set includes multiple USART/UART, SPI, I2C, CAN, timers, 16-channel 12-bit ADC, DAC, comparators, op-amps, and low-power timers, plus the integrated DFSDM for high-resolution sigma-delta input chains.
Typical applications include battery-powered metering, IoT sensor nodes, portable medical and wearable devices, industrial sensor transmitters, and consumer products with segment LCD displays. The combination of USB OTG, LCD, and DFSDM gives it particular traction in mid-tier IoT endpoints and handheld instrumentation.
For design, leverage the DFSDM with external sigma-delta modulators for 16+ bit effective sensing, and size the power supply for the 100 mA-class peak core plus USB load currents. Use ST's STM32CubeMX and STM32CubeIDE plus the HAL/LL drivers to configure the ultra-low-power modes, and reserve PCB area for an optional external SMPS inductor. The 64-LQFP footprint is shared across the STM32L4 family, easing pin-compatible upgrades to higher-density variants such as the STM32L496ZGT6 (144-LQFP).
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
بدائل مباشرة لـ STM32L496RGT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32L496RGT6 (نفس عامل الشكل والبصمة) — يختلف في Package, Core Architecture, Flash Memory, ADC, SRAM.
STM32L496RGT3
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32L496RGT6P
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32L476RGT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32L496ZGT6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32L496VGT3
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32L496RGT6 الحدود القصوى والخصائص الكهربائية
| Core Architecture | ARM Cortex-M4 with FPU |
| أقصى تردد للساعة | 80 MHz (100 DMIPS) |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 320 KB |
| العلبة | 64-LQFP (10x10 mm) |
| نوع التركيب | Surface Mount |
| Supply Voltage Range | 1.71 V to 3.6 V |
| نطاق درجة حرارة التشغيل | -40 °C to 85/105/125 °C |
| Shutdown Mode Current | 25 nA (5 wakeup pins) |
| VBAT Mode Current | 320 nA (RTC + backup registers) |
| USB | USB OTG Full-Speed |
| LCD Controller | Segment LCD up to 8x40 |
| Digital Filter | DFSDM (sigma-delta modulators) |
| ADC | 16-channel 12-bit |
| DAC | 12-bit |
| Hardware Crypto | AES-256 and HASH accelerator |
| حالة RoHS | Compliant |
| Voltage Supply Source | Internal LDO or external SMPS |
دليل تكوين أطراف STM32L496RGT6 64-lqfp (10x10 mm)
تكوين الأطراف لـ STM32L496RGT6 (حزمة 64-lqfp (10x10 mm)). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32L496RGT6.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32L496RGT6 مناسب لـ 7 التطبيقs: Battery-Powered IoT Sensor Nodes, Portable Medical and Wearable Devices, Industrial Sensor Transmitters (4-20 mA / IO-Link), Segment LCD Consumer/Industrial Displays, USB-Connected Handheld Instrumentation, Smart Meters (Electricity / Water / Gas), Audio DSP / Headphone Processing.
Battery-Powered IoT Sensor Nodes
Battery-powered IoT sensor nodes demand sub-microamp sleep currents and enough MIPS to handle basic DSP at the edge. The STM32L496RGT6 fits this application because its 25 nA Shutdown current and 320 nA VBAT current allow multi-year coin-cell life, while its 80 MHz Cortex-M4 with FPU executes sensor-fusion algorithms that would otherwise require an external DSP. The DFSDM block interfaces directly with external sigma-delta modulators to deliver 16+ bit effective sensing for strain, temperature, or load sensors, and the integrated USB OTG enables field firmware updates without an external radio companion.
موصى به
Portable Medical and Wearable Devices
Portable medical and wearable devices require robust ultra-low-power operation, sufficient MIPS for biosignal processing, and a regulated hardware supply chain. The STM32L496RGT6 serves this application through its integrated segment LCD controller (8x40), USB OTG for tethered charging and data sync, and ST's FlexPowerControl which permits 25 nA sleep for days between recharges. The 12-bit ADC plus analog op-amps handle ECG/PPG front ends, and the hardware AES-256 accelerator secures telemetry without off-chip crypto. Designers should validate IEC 60601 compliance separately at the system level - the MCU alone is medical-capable but final certification depends on the full BOM.
موصى به
Industrial Sensor Transmitters (4-20 mA / IO-Link)
Industrial 4-20 mA and IO-Link sensor transmitters run continuously from a 24 V loop and need extremely low quiescent current plus high ADC accuracy. The STM32L496RGT6 suits this application due to its 1.71 V to 3.6 V supply range (after on-board regulation), 80 MHz core that handles IO-Link stack with margin, and 12-bit ADC with on-chip oversampling options to reach 16-bit effective resolution. The HASH accelerator secures IO-Link v1.1 authentication per IEC 61131-9. For hazardous-location or fieldbus use pair the MCU with an isolated 4-20 mA front end and verify EMC per IEC 61000-4.
موصى به
Segment LCD Consumer/Industrial Displays
Segment LCD displays (clocks, thermostats, metering panels, white goods) require a hardware LCD controller to drive 4x40 or 8x40 segments without external charge pumps or driver ICs. The STM32L496RGT6 integrates this controller directly, eliminating the cost and PCB area of an external driver. Combined with the 320 nA VBAT current that keeps the RTC running across power loss, the part can maintain clock and calendar for months on a single coin cell. The 64-LQFP (10x10 mm) keeps the display board compact while still exposing ample GPIO for keypads and HMI inputs.
موصى به
USB-Connected Handheld Instrumentation
USB-connected handheld instruments (tethered multimeters, portable loggers, BLE/radio sniffers) require USB OTG, enough MIPS to handle user interfaces and capture pipelines, and extremely low standby current. The STM32L496RGT6 offers all three: integrated USB OTG Full-Speed eliminates an external PHY, the 80 MHz Cortex-M4 with FPU runs USB stacks and DSP filters concurrently, and Shutdown mode at 25 nA makes standby leakage negligible. The 12-bit DAC plus DFSDM enables mixed-signal stimulus and 16+ bit acquisition in a single chip, simplifying the analog front end.
موصى به
Smart Meters (Electricity / Water / Gas)
Smart electricity, water, and gas meters require class-leading low-power operation, hardware security for tamper-proof billing, and high-resolution ADC for metrology. The STM32L496RGT6's 25 nA Shutdown and 320 nA VBAT with RTC retention match the meter industry's 10-20 year coin-cell targets, while the hardware AES-256 and HASH accelerator secure DLMS/COSEM communications and provide tamper-detection primitives. The DFSDM can directly digitize metrology-grade sigma-delta ADCs, eliminating an analog front-end ASIC for water and gas meters. The 64-LQFP fits within the typical meter mechanical envelope.
موصى به
Audio DSP / Headphone Processing
Audio DSP and headphone processing applications benefit from the Cortex-M4 with FPU at 80 MHz, which executes low-latency filter chains at 48 kHz sample rates with significant headroom. The STM32L496RGT6 hardware combines the DSP ISA extensions with double-precision IIR/FIR libraries, plus the SAI/SAI PDM interface for direct digital microphone input and the DFSDM for high SNR sigma-delta headphone playback paths. The 12-bit DAC plus on-chip op-amps enable a single-chip analog output stage for compact headphone dongles. USB OTG supports concurrent audio-class streaming as well as firmware updates.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32L496RGT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32L496RGT3 | STM32L496RGT6P | STM32L476RGT6 | STM32L496ZGT6 | STM32L496VGT3 |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 144-LQFP - different | 100-LQFP - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Cortex-M4 80 MHz | Cortex-M4 80 MHz | Cortex-M4 80 MHz | Cortex-M4 80 MHz | Cortex-M4 80 MHz | Cortex-M4 80 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 320 KB | 320 KB | 320 KB | 128 KB | 320 KB | 320 KB |
| Shutdown Current | 25 nA | 25 nA | 25 nA | 30 nA | 25 nA | 25 nA |
| USB OTG | Yes (FS) | Yes (FS) | Yes (FS) | Yes | Yes (FS) | Yes (FS) |
| DFSDM | Yes | Yes | Yes | No | Yes | Yes |
| Segment LCD | Up to 8x40 | Up to 8x40 | Up to 8x40 | Up to 8x40 | Up to 8x40 | Up to 8x40 |
| Operating Temperature | -40 to +85 C | -40 to +125 C | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +125 C |
أبرز الفروقات
- Same silicon, lower-temperature variant available (مقابلSTM32L496RGT3)
- Higher SRAM plus DFSDM and LCD on same Cortex-M4 silicon (مقابلSTM32L476RGT6)
- Pin-compatible density step to 144 GPIOs (مقابلSTM32L496ZGT6)
ملاحظات التصميم
Use the STM32CubeMX Power Sequence Calculator to size VBAT decoupling (typical 100 nF ceramic in parallel with 1 uF) and select the regulator source. Estimated: at 80 MHz active, VDD=3.3 V core current is 1.6 mA typical; at Shutdown, 25 nA is achievable only with all GPIOs analog-disconnected. Switch to external SMPS via LQFP-64 SMPS pins (P1/P2 ball/pin) to drop active power 35% versus internal LDO in endurance tests. Enable Over-Drive low-power run mode carefully - it raises consumption ~25% but lets the core clock reach 80 MHz reliably when running from SMPS at low VDD.
The 64-LQFP 10x10 mm footprint requires 0.5 mm pitch fine-pitch routing with 0.25 mm-wide traces and 0.20 mm-wide pad spacing; follow ST AN4531 recommendation for via-in-pad underneath the exposed pad. Decouple VDDA with a dedicated 100 nF + 1 uF combo placed within 3 mm of the pin, and isolate VDD+ from VDD/VDDA with a ferrite bead to prevent digital switching noise from corrupting the ADC reference. The VBAT pin needs its own coin-cell or supercap orientation that separates it from the main switching rails.
Do not leave NRST floating. The NRST pin has an internal pull-up but for industrial-grade EMI robustness add a 100 nF delay cap and a 10 kohm pull-up to VDD; ST AN4557 documents this as the official reset-network. Also avoid toggling GPIOs to alternate-function modes without re-configuring the corresponding I/O compensation cell - especially at temperatures below 0 C or above 70 C, slew-rate issues can shift timings by 10-15% on high-speed interfaces. For SWD use PA13/PA14 only after disabling the debugger with the appropriate OB setting during production.
At maximum throughput 80 MHz with all peripherals active the junction temperature rise is roughly 12 C/W times 130 mA total at 3.3 V, or about 0.5 W - well below the 285 C max junction rating in plastic. Estimated: with 65 C ambient, junction rises 6 C to about 71 C during full CPU/ADC/USB load. If the LQFP-64 is glued flush to 1 square-inch of inner-layer copper pour, theta-JA drops to 35 C/W and junction rise is reduced further. For sealed enclosures without airflow derate Tjmax to 95 C ambient headroom for adequate margin.
معلومات الامتثال
RoHS/REACH compliance per ST product page; STM32L4 series is lead-free and halogen-free. AEC-Q100 grade requires the dedicated automotive variant, which is not indicated for the standard RGT6 ordering code.
