STM32L496RGT6 - 80MHz Cortex-M4 MCU, 1MB Flash | STMicroelectronics
MPN: STM32L496RGT6 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.88 | $3.88 |
| 10 | $3.55 | $35.50 |
| 100 | $3.25 | $325.00 |
| 500 | $3.02 | $1,510.00 |
| 1,000 | $2.85 | $2,850.00 |
STM32L496RGT6 Overview
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 like the STM32L4 series sit at the application-control layer, executing user firmware while managing sensors, displays, and connectivity with microamp-scale sleep currents.
Key features include STMicroelectronics FlexPowerControl with 320 nA in VBAT mode and 25 nA in Shutdown mode (5 wakeup pins), a supply range of 1.71 V to 3.6 V, USB OTG FS, an LCD controller, DFSDM (digital filter for sigma-delta modulators), and a hardware HASH accelerator. Support for an external SMPS converter further reduces dynamic power in battery applications.
Technically, the Cortex-M4 with single-precision FPU and DSP instructions executes DSP-heavy workloads such as audio filtering and sensor fusion, while the ART accelerator keeps the 80 MHz core fed from flash with zero-wait-state access for most code. The peripheral set includes multiple USART/SPI/I2C, 16-channel 12-bit ADC, DAC, comparators, op-amps, and multiple low-power timers.
Typical applications include battery-powered metering and IoT sensor nodes, portable medical devices, industrial sensor transmitters, and consumer devices with segment LCDs.
For design, leverage the DFSDM with external sigma-delta modulators for high-resolution sensing, and size the 1.71 V to 3.6 V supply for the 100 mA-class peak core plus USB load currents.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for STM32L496RGT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with STM32L496RGT6 (same form factor and footprint) — differing in Core, Flash Memory, Package, SRAM, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STM32L4A6RGT6
✅ Drop-In✓ In Stock
$9.56 / Unit
View Datasheet →STM32L476RGT6
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$3.86 / Unit
View Datasheet →STM32L452RET6
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$5.5 / Unit
View Datasheet →STM32L496RGT3
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
STM32L496RET6
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
STM32L496RGT6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M4 32-bit with FPU |
| Maximum Clock Frequency | 80 MHz |
| Performance | 100 DMIPS |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 320 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| USB | USB OTG FS |
| LCD Controller | Yes (segment/common drive) |
| DFSDM | Yes (digital filter for sigma-delta modulators) |
| Hardware Accelerators | HASH, AES optional per line; external SMPS support |
| VBAT Mode Current | 320 nA |
| Shutdown Mode Current | 25 nA (5 wakeup pins) |
| Package | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Series | STM32L4 Series |
| RoHS Status | Compliant |
STM32L496RGT6 Pin Configuration
| Pin 1 | VBAT — Backup battery supply for RTC and backup registers |
| Pin 2 | PC13 — GPIO port C, with RTC af functions (TAMPER/OUT) |
| Pin 3 | PC14-OSC32_IN — GPIO / 32.768 kHz oscillator input |
| Pin 4 | PC15-OSC32_OUT — GPIO / 32.768 kHz oscillator output |
| Pin 5 | PH0-OSC_IN — GPIO / main oscillator input |
| Pin 6 | PH1-OSC_OUT — GPIO / main oscillator output |
| Pin 7 | NRST — System reset (active low) |
| Pin 8 | PC0 — GPIO port C, ADC/analog capable |
| Pin 9 | PC1 — GPIO port C, ADC/analog capable |
| Pin 10 | PC2 — GPIO port C, ADC/analog capable |
| Pin 11 | PC3 — GPIO port C, ADC/analog capable |
| Pin 12 | VSSA — Analog ground |
| Pin 13 | VREF+ — Positive ADC/DAC reference voltage |
| Pin 14 | VDDA — Analog power supply |
| Pin 15 | PA0 — GPIO port A, ADC/wake-up capable |
| Pin 16 | PA1 — GPIO port A, ADC capable |
| Pin 17 | PA2 — GPIO port A, USART2_TX / ADC |
| Pin 18 | PA3 — GPIO port A, USART2_RX / ADC |
| Pin 19 | VREF- — Negative ADC/DAC reference (tie to VSSA if unused) |
| Pin 20 | PA4 — GPIO port A, DAC_OUT1 / SPI1_NSS |
| Pin 21 | PA5 — GPIO port A, DAC_OUT2 / SPI1_SCK |
| Pin 22 | PA6 — GPIO port A, SPI1_MISO / ADC |
| Pin 23 | PA7 — GPIO port A, SPI1_MOSI / ADC |
| Pin 24 | PC4 — GPIO port C, ADC capable |
| Pin 25 | PC5 — GPIO port C, ADC capable |
| Pin 26 | PB0 — GPIO port B, ADC capable |
| Pin 27 | PB1 — GPIO port B, ADC capable |
| Pin 28 | PB2 — GPIO port B |
| Pin 29 | PB10 — GPIO port B, I2C2_SCL / USART3_TX |
| Pin 30 | PB11 — GPIO port B, I2C2_SDA / USART3_RX |
| Pin 31 | VDD_1 — Digital power supply 1 |
| Pin 32 | VSS_1 — Digital ground 1 |
| Pin 33 | PB12 — GPIO port B, SPI2_NSS |
| Pin 34 | PB13 — GPIO port B, SPI2_SCK |
| Pin 35 | PB14 — GPIO port B, SPI2_MISO |
| Pin 36 | PB15 — GPIO port B, SPI2_MOSI |
| Pin 37 | PC6 — GPIO port C, USART6_TX |
| Pin 38 | PC7 — GPIO port C, USART6_RX |
| Pin 39 | PC8 — GPIO port C |
| Pin 40 | PC9 — GPIO port C, I2C3_SDA |
| Pin 41 | PA8 — GPIO port A, USART1_CK / MCO1 |
| Pin 42 | PA9 — GPIO port A, USART1_TX / USB VBUS sense |
| Pin 43 | PA10 — GPIO port A, USART1_RX |
| Pin 44 | PA11 — GPIO port A, USB DM / CAN RX |
| Pin 45 | PA12 — GPIO port A, USB DP / CAN TX |
| Pin 46 | PA13 — GPIO port A, SWDIO (debug) |
| Pin 47 | VSS_2 — Digital ground 2 |
| Pin 48 | VDD_2 — Digital power supply 2 |
| Pin 49 | PA14 — GPIO port A, SWCLK (debug) |
| Pin 50 | PA15 — GPIO port A, SPI1_NSS / JTDI |
| Pin 51 | PC10 — GPIO port C, UART4_TX |
| Pin 52 | PC11 — GPIO port C, UART4_RX |
| Pin 53 | PC12 — GPIO port C, UART5_TX |
| Pin 54 | PD2 — GPIO port D, UART5_RX |
| Pin 55 | PB3 — GPIO port B, SPI1_SCK / JTDO |
| Pin 56 | PB4 — GPIO port B, SPI1_MISO / NJTRST |
| Pin 57 | PB5 — GPIO port B, SPI1_MOSI / I2C1_SMBA |
| Pin 58 | PB6 — GPIO port B, I2C1_SCL / USART1_TX |
| Pin 59 | PB7 — GPIO port B, I2C1_SDA / USART1_RX |
| Pin 60 | PB8 — GPIO port B, I2C1_SCL / CAN RX |
| Pin 61 | PB9 — GPIO port B, I2C1_SDA / CAN TX |
| Pin 62 | VSS_3 — Digital ground 3 |
| Pin 63 | VDD_3 — Digital power supply 3 |
| Pin 64 | BOOT0 — Boot mode selection (tie via resistor) |
Typical Applications
STM32L496RGT6 is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Smart Metering with LCD Display, Portable Medical and Health Devices, Industrial Sensor Transmitters, Audio and Voice-Interface Products, Consumer Devices with USB and Display.
Battery-Powered IoT Sensor Nodes
The STM32L496RGT6 fits battery IoT nodes because its 25 nA Shutdown mode with 5 wakeup pins and 320 nA VBAT mode let the node spend most of its life asleep, waking on timer or sensor interrupt. The 80 MHz Cortex-M4 with DSP instructions processes sensor data locally in milliseconds, then returns to sleep; the external SMPS option reduces active-mode energy versus a pure LDO supply. With 1 MB Flash, full wireless protocol stacks (LoRaWAN, BLE host) and OTA update code coexist in internal memory without external storage. Typical duty cycles of 0.1% yield multi-year coin-cell or primary-cell battery life, according to STM32L4 low-power application notes.
Recommended
Smart Metering with LCD Display
Metering products benefit from the STM32L496RGT6 because it combines a native LCD controller for direct segment-glass drive with ultra-low standby currents, eliminating an external LCD driver IC. Energy and water meters run the 80 MHz Cortex-M4 briefly for metrology calculations, then hold the display active while the core rests in low-power modes. The 1.71 V to 3.6 V supply range supports direct battery operation, and 1 MB Flash stores tariff tables and logging firmware. The 12-bit ADC with op-amps and comparators provides the analog front end for current and voltage sensing, reducing external component count and BOM cost in high-volume meter designs.
Recommended
Portable Medical and Health Devices
The STM32L496RGT6 suits portable medical devices such as glucose meters, pulse oximeters, and vital-sign patches where the DFSDM connects external sigma-delta modulators for high-resolution biopotential or optical sensing, and the hardware DSP/FPU executes filtering in real time at 80 MHz. Ultra-low sleep currents preserve small Li coin or primary cell capacity across long monitoring sessions, while USB OTG FS allows direct data offload to clinic PCs without extra bridge chips. The 1 MB Flash accommodates acquisition, signal-processing, and Bluetooth logging stacks simultaneously. RoHS compliance and the industrial -40C to +85C temperature grade simplify regulatory and environmental qualification for medical hardware programs.
Recommended
Industrial Sensor Transmitters
Industrial 4-20 mA and IO-Link style transmitters use the STM32L496RGT6 for its combination of industrial-grade -40C to +85C operation, rich analog peripherals, and 1.71 V to 3.6 V tolerance on noisy field supplies after simple regulation. The DFSDM interfaces external sigma-delta modulators for high-accuracy pressure or load-cell front ends, while integrated op-amps and comparators handle signal conditioning. The 80 MHz Cortex-M4 executes linearization, HART-style modulation, and diagnostic algorithms with headroom. Its 1 MB Flash stores calibration tables and dual-bank OTA firmware images, and the low-power modes allow loop-powered designs to stay within the 3.5 mA loop budget.
Recommended
Audio and Voice-Interface Products
Voice and audio products leverage the STM32L496RGT6 DFSDM to connect up to multiple digital microphones directly, with hardware decimation filtering offloading the 80 MHz Cortex-M4 DSP pipeline for beamforming, AEC, or keyword spotting. Audio output routes through I2S/SAI-class interfaces to class-D amplifiers, and USB OTG FS provides device-mode audio or firmware-update connectivity. The 1 MB Flash holds codec, DSP, and voice-command models locally, and the HASH accelerator secures firmware updates. Low sleep currents allow always-listening wake-word designs to meet aggressive standby energy targets in battery or energy-harvesting consumer products.
Recommended
Consumer Devices with USB and Display
Consumer products such as thermostats, remote controls with displays, and connected appliances use the STM32L496RGT6 to integrate a segment LCD, capacitive-touch sensing on GPIOs, and USB OTG FS in a single 80 MHz Cortex-M4 device, cutting BOM count. The 1 MB Flash supports rich UI firmware plus OTA-capable connectivity stacks, while 25 nA Shutdown keeps remote-control and thermostat standby draw within energy-label limits. Wide 1.71 V to 3.6 V operation tolerates inexpensive unregulated battery or mains-derived supplies. The FPU enables smooth graphics effects and sensor-based automation, making the part a strong single-chip controller for premium consumer hardware.
Recommended
Recommended Products Summary
Engineering reference data for STM32L496RGT6 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32L4A6RGT6 | STM32L476RGT6 | STM32L452RET6 | STM32L496RET6 |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core / Frequency | Cortex-M4+FPU, 80 MHz | Cortex-M4+FPU, 80 MHz | Cortex-M4+FPU, 80 MHz | Cortex-M4+FPU, 80 MHz | Cortex-M4+FPU, 80 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 512 KB | 512 KB |
| SRAM | 320 KB | 320 KB | 128 KB | 160 KB | 320 KB |
| Hardware AES | No (HASH only) | Yes (AES 128/256) | Yes (AES 128/256) | No (HASH only) | No (HASH only) |
| DFSDM | Yes | Yes | No | No | Yes |
| LCD Controller | Yes | No | Yes | No | Yes |
| External SMPS Support | Yes | Yes | No | No | Yes |
| Supply / Temperature | 1.71-3.6 V, -40 to +85C | 1.71-3.6 V, -40 to +85C | 1.71-3.6 V, -40 to +85C | 1.71-3.6 V, -40 to +85C | 1.71-3.6 V, -40 to +85C |
Key Differentiators
- Deepest low-power modes with DFSDM (vs STM32L476RGT6)
- Integrated analog including op-amps and LCD controller (vs STM32L4A6RGT6)
- Double the memory of the cost-optimized variant (vs STM32L452RET6)
Design Notes
Design the supply for the 1.71 V to 3.6 V range with attention to dynamic current: the 80 MHz Cortex-M4 plus flash writes and USB OTG FS load produce peak currents well above sleep levels. If battery efficiency is critical, use the STM32L496 external SMPS option with an ST-recommended buck converter from the datasheet SMPS section, or a low-Iq LDO such as an LDL1117 for simpler rails. Decouple every VDD pin (pins 31, 48, 63) and VDDA (pin 14) with 100 nF ceramics placed within 2 mm of the pins, plus bulk capacitance near the regulator.
The 64-LQFP 10x10 mm footprint needs a clean analog ground strategy: connect VSSA (pin 12) and VREF- (pin 19) to a quiet ground node, and filter VREF+ (pin 13) with an RC network (e.g., 1 kohm plus 1 uF) when using the 12-bit ADC or DAC at full resolution. Route the SWDIO (pin 46) and SWCLK (pin 49) header to a standard 4-pin tag-connect footprint for production programming. Place the 32.768 kHz crystal (PC14/PC15) close to the chip with short traces and guard with ground for RTC accuracy.
BOOT0 (pin 64) must not be left floating - tie it through a 10 kohm pull-down to guarantee boot from flash after reset. NRST (pin 7) has an internal pull-up but benefits from a 100 nF capacitor for noise immunity in electrically noisy environments. Do not exceed the 85C ambient limit of the T6 temperature grade - for -40C to +105C or +125C designs, select the A or I grade suffix instead. When substituting the STM32L4A6RGT6, verify that your design does not rely on the L496 integrated op-amps, which the L4A6 omits.
Compliance Information
RoHS compliant per distributor listings (DigiKey/Mouser). REACH, halogen-free, and conflict-minerals declarations available from STMicroelectronics compliance documentation; not present in the retrieved data.
