STMicroelectronics

STM32F756ZGT6 - 32-bit ARM Cortex-M7 MCU 1MB Flash | STMicroelectronics

Name: STM32F756ZGT6
Brand: STMicroelectronics
Price: 12.50 USD
Availability: InStock

MPN: STM32F756ZGT6 ✓ Active

In Stock (99,999) Ships in 1-3 business days

1.7V to 3.6V Vdss LQFP144 (20x20 mm) Package 216 MHz Speed 1 MB Memory

$12.5 USD / Unit

MOQ: 1 |

Volume Pricing

Qty	Unit Price	Extended
1	$12.5	$12.50
10	$11.25	$112.50
100	$10	$1,000.00
500	$9	$4,500.00
1,000	$8.1	$8,100.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for STM32F756ZGT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

STM32F746ZGT6

✅ Drop-In

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No cryptographic acceleration unit, no TRNG

📋 Reference alternative (not in catalog)

STM32F767ZIT6

✅ Drop-In

STMicroelectronics

📦 LQFP144

ARM Cortex-M7 · 216 MHz · 2 MB · 512 KB · 114 · 1.7 V to 3.6 V · -40C to +85C · LQFP-144 (20x20 mm)

✓ 99,999 In Stock

$19.25 / Unit

View Datasheet →

STM32F756ZGT6TR

✅ Drop-In

📦 LQFP144

Same die, tape and reel packaging variant

📋 Reference alternative (not in catalog)

STM32F756ZGT6

✅ Drop-In

STMicroelectronics

📦 LQFP144

ARM Cortex-M7 · 216 MHz · 1 MB · 320 KB · LQFP144 (20x20 mm) · 1.7V to 3.6V · -40°C to +85°C · 114

✓ 99,999 In Stock

$8.1 / Unit

View Datasheet →

STM32F756ZGT6

✅ Drop-In

STMicroelectronics

📦 LQFP144

ARM Cortex-M7 · 216 MHz · 1 MB · 320 KB · LQFP144 (20x20 mm) · 1.7V to 3.6V · -40°C to +85°C · 114

✓ 99,999 In Stock

$8.1 / Unit

View Datasheet →

STM32F756ZGT6 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M7
Max Clock Speed	216 MHz
Flash Memory	1 MB
SRAM	320 KB
Package	LQFP144 (20x20 mm)
Operating Voltage	1.7V to 3.6V
Operating Temperature	-40°C to +85°C
GPIO Pins	114
ADC	3x 12-bit, up to 24 channels
DAC	2x 12-bit
Timers	12x 16-bit, 2x 32-bit
Communication Interfaces	4x USART, 4x UART, 6x SPI, 3x I2C, 2x CAN, 1x SDMMC, 1x Ethernet MAC, 1x USB OTG HS, 1x USB OTG FS
DMA	16-stream DMA controller
Cryptographic Acceleration	AES, DES, 3DES, SHA-1, SHA-256, MD5
RoHS	Compliant

STM32F756ZGT6 Pin Configuration

Pin 1	PE2 — GPIO / alternate functions
Pin 2	PE3 — GPIO / alternate functions
Pin 3	PE4 — GPIO / alternate functions
Pin 4	PE5 — GPIO / alternate functions
Pin 5	PE6 — GPIO / alternate functions
Pin 6	VBAT — Battery backup supply
Pin 7	PC13 — GPIO / RTC / tamper
Pin 8	PC14 — GPIO / OSC32_IN
Pin 9	PC15 — GPIO / OSC32_OUT
Pin 10	PF0 — GPIO / alternate functions
Pin 11	PF1 — GPIO / alternate functions
Pin 12	PF2 — GPIO / alternate functions
Pin 13	PF3 — GPIO / alternate functions
Pin 14	PF4 — GPIO / alternate functions
Pin 15	PF5 — GPIO / alternate functions
Pin 16	PF6 — GPIO / alternate functions
Pin 17	PF7 — GPIO / alternate functions
Pin 18	PF8 — GPIO / alternate functions
Pin 19	PF9 — GPIO / alternate functions
Pin 20	PF10 — GPIO / alternate functions
Pin 21	VSS — Ground
Pin 22	VDD — Power supply
Pin 23	PF11 — GPIO / alternate functions
Pin 24	PF12 — GPIO / alternate functions
Pin 25	PF13 — GPIO / alternate functions
Pin 26	PF14 — GPIO / alternate functions
Pin 27	PF15 — GPIO / alternate functions
Pin 28	PG0 — GPIO / alternate functions
Pin 29	PG1 — GPIO / alternate functions
Pin 30	PG2 — GPIO / alternate functions
Pin 31	PG3 — GPIO / alternate functions
Pin 32	PG4 — GPIO / alternate functions
Pin 33	PG5 — GPIO / alternate functions
Pin 34	PG6 — GPIO / alternate functions
Pin 35	PG7 — GPIO / alternate functions
Pin 36	PG8 — GPIO / alternate functions
Pin 37	PG9 — GPIO / alternate functions
Pin 38	PG10 — GPIO / alternate functions
Pin 39	PG11 — GPIO / alternate functions
Pin 40	PG12 — GPIO / alternate functions
Pin 41	PG13 — GPIO / alternate functions
Pin 42	PG14 — GPIO / alternate functions
Pin 43	PG15 — GPIO / alternate functions
Pin 44	VSS — Ground
Pin 45	VDD — Power supply
Pin 46	PD0 — GPIO / alternate functions
Pin 47	PD1 — GPIO / alternate functions
Pin 48	PD2 — GPIO / alternate functions
Pin 49	PD3 — GPIO / alternate functions
Pin 50	PD4 — GPIO / alternate functions
Pin 51	PD5 — GPIO / alternate functions
Pin 52	PD6 — GPIO / alternate functions
Pin 53	PD7 — GPIO / alternate functions
Pin 54	PD8 — GPIO / alternate functions
Pin 55	PD9 — GPIO / alternate functions
Pin 56	PD10 — GPIO / alternate functions
Pin 57	PD11 — GPIO / alternate functions
Pin 58	PD12 — GPIO / alternate functions
Pin 59	PD13 — GPIO / alternate functions
Pin 60	PD14 — GPIO / alternate functions
Pin 61	PD15 — GPIO / alternate functions
Pin 62	VSS — Ground
Pin 63	VDD — Power supply
Pin 64	PC0 — GPIO / ADC input
Pin 65	PC1 — GPIO / ADC input
Pin 66	PC2 — GPIO / ADC input
Pin 67	PC3 — GPIO / ADC input
Pin 68	PC4 — GPIO / ADC input
Pin 69	PC5 — GPIO / ADC input
Pin 70	PB0 — GPIO / ADC input
Pin 71	PB1 — GPIO / ADC input
Pin 72	PB2 — GPIO / alternate functions
Pin 73	PB3 — GPIO / alternate functions
Pin 74	PB4 — GPIO / alternate functions
Pin 75	PB5 — GPIO / alternate functions
Pin 76	PB6 — GPIO / alternate functions
Pin 77	PB7 — GPIO / alternate functions
Pin 78	PB8 — GPIO / alternate functions
Pin 79	PB9 — GPIO / alternate functions
Pin 80	PB10 — GPIO / alternate functions
Pin 81	PB11 — GPIO / alternate functions
Pin 82	VSS — Ground
Pin 83	VDD — Power supply
Pin 84	PB12 — GPIO / alternate functions
Pin 85	PB13 — GPIO / alternate functions
Pin 86	PB14 — GPIO / alternate functions
Pin 87	PB15 — GPIO / alternate functions
Pin 88	PA0 — GPIO / ADC input / WKUP
Pin 89	PA1 — GPIO / ADC input
Pin 90	PA2 — GPIO / alternate functions
Pin 91	PA3 — GPIO / alternate functions
Pin 92	PA4 — GPIO / DAC output
Pin 93	PA5 — GPIO / DAC output
Pin 94	PA6 — GPIO / alternate functions
Pin 95	PA7 — GPIO / alternate functions
Pin 96	PA8 — GPIO / alternate functions
Pin 97	PA9 — GPIO / alternate functions
Pin 98	PA10 — GPIO / alternate functions
Pin 99	PA11 — GPIO / alternate functions
Pin 100	PA12 — GPIO / alternate functions
Pin 101	PA13 — GPIO / SWDIO
Pin 102	PA14 — GPIO / SWCLK
Pin 103	PA15 — GPIO / alternate functions
Pin 104	VSS — Ground
Pin 105	VDD — Power supply
Pin 106	PC10 — GPIO / alternate functions
Pin 107	PC11 — GPIO / alternate functions
Pin 108	PC12 — GPIO / alternate functions
Pin 109	PC13 — GPIO / RTC / tamper
Pin 110	PC14 — GPIO / OSC32_IN
Pin 111	PC15 — GPIO / OSC32_OUT
Pin 112	PH0 — GPIO / OSC_IN
Pin 113	PH1 — GPIO / OSC_OUT
Pin 114	PH2 — GPIO / alternate functions
Pin 115	PH3 — GPIO / alternate functions
Pin 116	PH4 — GPIO / alternate functions
Pin 117	PH5 — GPIO / alternate functions
Pin 118	PH6 — GPIO / alternate functions
Pin 119	PH7 — GPIO / alternate functions
Pin 120	PH8 — GPIO / alternate functions
Pin 121	PH9 — GPIO / alternate functions
Pin 122	PH10 — GPIO / alternate functions
Pin 123	PH11 — GPIO / alternate functions
Pin 124	PH12 — GPIO / alternate functions
Pin 125	PH13 — GPIO / alternate functions
Pin 126	PH14 — GPIO / alternate functions
Pin 127	PH15 — GPIO / alternate functions
Pin 128	VSS — Ground
Pin 129	VDD — Power supply
Pin 130	PI0 — GPIO / alternate functions
Pin 131	PI1 — GPIO / alternate functions
Pin 132	PI2 — GPIO / alternate functions
Pin 133	PI3 — GPIO / alternate functions
Pin 134	PI4 — GPIO / alternate functions
Pin 135	PI5 — GPIO / alternate functions
Pin 136	PI6 — GPIO / alternate functions
Pin 137	PI7 — GPIO / alternate functions
Pin 138	PI8 — GPIO / alternate functions
Pin 139	PI9 — GPIO / alternate functions
Pin 140	PI10 — GPIO / alternate functions
Pin 141	PI11 — GPIO / alternate functions
Pin 142	PI12 — GPIO / alternate functions
Pin 143	PI13 — GPIO / alternate functions
Pin 144	PI14 — GPIO / alternate functions

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32F756ZGT6 is suitable for 6 applications: Industrial Control Systems, IoT Gateways, Motor Drives, Human-Machine Interface (HMI), Audio Processing, Medical Devices.

🏭

Industrial Control Systems

The STM32F756ZGT6 is ideal for industrial control systems due to its high-performance Cortex-M7 core, advanced timers, and multiple communication interfaces. It can handle complex control algorithms, real-time data processing, and communication with PLCs and HMIs. The Ethernet MAC with IEEE 1588 enables precise time synchronization in distributed control systems. The device's 12-bit ADC and DAC allow accurate analog signal acquisition and generation. Its wide operating temperature range (-40°C to +85°C) ensures reliability in harsh industrial environments. The cryptographic acceleration unit provides secure communication for industrial IoT applications.

Recommended

LAN8720A (Ethernet PHY for MAC interface) SN65HVD230 (CAN transceiver for industrial bus)

🌐

IoT Gateways

The STM32F756ZGT6 is well-suited for IoT gateways that require high processing power, connectivity, and security. Its Ethernet MAC and USB OTG interfaces allow connection to wired and wireless networks. The cryptographic acceleration unit enables secure TLS/DTLS communication, protecting data in transit. The device's large Flash and SRAM can store firmware updates and buffering for sensor data. The Chrom-ART Accelerator enhances GUI performance for local displays. With multiple UARTs, SPIs, and I2C interfaces, it can connect to various sensors and actuators. The low-power modes help reduce energy consumption in battery-powered gateways.

Recommended

ESP8266 (Wi-Fi module for wireless connectivity) SX1276 (LoRa transceiver for long-range communication)

⚡

Motor Drives

The STM32F756ZGT6 is an excellent choice for motor drives, including BLDC, PMSM, and stepper motors. Its advanced-control timers (TIM1 and TIM8) generate high-resolution PWM signals with dead-time insertion, essential for driving power stages. The 12-bit ADC can sample motor currents and voltages with high speed, enabling field-oriented control (FOC) algorithms. The Cortex-M7 core with FPU and DSP instructions executes complex control loops efficiently. The device's multiple communication interfaces allow connection to encoders, resolvers, and host controllers. The cryptographic unit can secure firmware updates and communication in industrial motor drives.

Recommended

IR2104 (Gate driver for MOSFET/IGBT bridges) ACS712 (Current sensor for motor phase current)

📺

Human-Machine Interface (HMI)

The STM32F756ZGT6 is ideal for HMI applications that require graphical displays, touch input, and connectivity. The Chrom-ART Accelerator offloads 2D graphics operations from the CPU, enabling smooth GUI rendering on TFT-LCD displays. The device supports external memory interfaces for larger frame buffers. It has a camera interface for capturing images, which can be used for gesture recognition or barcode scanning. The multiple communication interfaces allow connection to touch controllers, external storage, and network. The cryptographic unit secures data transmission in remote HMI systems. The device's high performance ensures responsive user interfaces.

Recommended

FT5x06 (Capacitive touch controller) SSD1963 (LCD controller for TFT displays)

🎧

Audio Processing

The STM32F756ZGT6 is suitable for audio processing applications such as audio effects, voice recognition, and audio streaming. Its Cortex-M7 core with FPU and DSP instructions can handle real-time audio algorithms like filtering, equalization, and compression. The device has multiple I2S and SAI interfaces for connecting audio codecs and amplifiers. The 320 KB SRAM provides ample buffering for audio streams. The USB OTG HS interface allows high-speed audio streaming to and from a host. The cryptographic unit can secure audio content in DRM applications. The device's low latency and high performance make it ideal for professional audio equipment.

Recommended

CS42L51 (Audio codec for I2S interface) TAS5760M (Class-D audio amplifier)

💊

Medical Devices

The STM32F756ZGT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high processing power enables real-time signal processing for ECG, EEG, and other biosignals. The device's multiple ADCs can sample multiple analog channels simultaneously. The cryptographic unit ensures secure storage and transmission of patient data, complying with regulations like HIPAA. The wide operating temperature range and low power consumption make it suitable for portable medical devices. The device's long-term availability and ST's commitment to quality make it a reliable choice for medical applications.

Recommended

ADS1298 (Biopotential ADC for ECG/EEG) MAX30102 (Pulse oximeter sensor)

Recommended Products Summary

LAN8720A Ethernet PHY for MAC interface Used in: Industrial Control Systems SN65HVD230 CAN transceiver for industrial bus Used in: Industrial Control Systems ESP8266 Wi-Fi module for wireless connectivity Used in: IoT Gateways SX1276 LoRa transceiver for long-range communication Used in: IoT Gateways IR2104 Gate driver for MOSFET/IGBT bridges Used in: Motor Drives ACS712 Current sensor for motor phase current Used in: Motor Drives FT5x06 Capacitive touch controller Used in: Human-Machine Interface (HMI) SSD1963 LCD controller for TFT displays Used in: Human-Machine Interface (HMI) CS42L51 Audio codec for I2S interface Used in: Audio Processing TAS5760M Class-D audio amplifier Used in: Audio Processing ADS1298 Biopotential ADC for ECG/EEG Used in: Medical Devices MAX30102 Pulse oximeter sensor Used in: Medical Devices

What is the maximum clock speed of STM32F756ZGT6?

The STM32F756ZGT6 operates at a maximum clock speed of 216 MHz. According to the STM32F756ZG datasheet, the ARM Cortex-M7 core can run at up to 216 MHz, delivering 2.14 CoreMark/MHz performance.

How much Flash memory does STM32F756ZGT6 have?

The STM32F756ZGT6 has 1 MB of Flash memory. This is sufficient for complex firmware, including RTOS, communication stacks, and application code. The Flash is organized into two banks, allowing simultaneous read-while-write operations.

What is the difference between STM32F756ZGT6 and STM32F746ZGT6?

The STM32F756ZGT6 and STM32F746ZGT6 are both based on the ARM Cortex-M7 core and share the same LQFP144 package. The key difference is that the F756 adds a cryptographic acceleration unit (AES, DES, 3DES, SHA-1, SHA-256, MD5) and a true random number generator (TRNG), while the F746 does not. Both have 1 MB Flash and 320 KB SRAM, but the F756 is pin-compatible and can be a drop-in replacement for the F746 in security-sensitive applications.

Can STM32F756ZGT6 be used for motor control applications?

Yes, the STM32F756ZGT6 is well-suited for motor control. It features advanced-control timers (TIM1 and TIM8) that can generate PWM signals with dead-time insertion, and its 12-bit ADC can sample motor currents and voltages. The Cortex-M7 core with FPU and DSP instructions enables complex field-oriented control (FOC) algorithms to run efficiently.

What is the operating voltage range of STM32F756ZGT6?

The STM32F756ZGT6 operates from 1.7V to 3.6V. This wide range allows the device to be powered from a 3.3V rail or a 1.8V rail, and it supports battery-powered applications with a 2V to 3.6V range. The internal voltage regulator requires a 2.2uF capacitor on the VCAP pins.

Does STM32F756ZGT6 support Ethernet?

Yes, the STM32F756ZGT6 includes a 10/100 Ethernet MAC with IEEE 1588 precision time protocol support. It requires an external PHY chip, such as the LAN8720A, to interface with the physical network. The MAC supports MII and RMII interfaces.

What is the price of STM32F756ZGT6?

As of 2026-08-09, the price of STM32F756ZGT6 is approximately $12.50 for single-unit quantities, dropping to $8.10 at 1000 units. Prices may vary by distributor and availability. Check DigiKey or Mouser for current pricing and stock.

Where can I buy STM32F756ZGT6 online?

STM32F756ZGT6 is available from major distributors such as DigiKey, Mouser, and Farnell. You can also purchase directly from STMicroelectronics' e-store. As of 2026-08-09, it is in stock at most distributors. Use the product page links in the data sources for direct purchasing.

What is the lead time for STM32F756ZGT6?

The typical lead time for STM32F756ZGT6 is 4-6 weeks for large orders, but it is often available for immediate shipment from distributor stock. As of 2026-08-09, DigiKey and Mouser show stock available, so lead time is minimal for small quantities.

Is STM32F756ZGT6 a drop-in replacement for STM32F746ZGT6?

Yes, the STM32F756ZGT6 is pin-to-pin compatible with the STM32F746ZGT6 in the same LQFP144 package. The F756 adds cryptographic hardware and TRNG, but the pinout and electrical characteristics are identical, making it a drop-in replacement. However, firmware must be updated to use the new security features.

What is the best drop-in replacement for STM32F756ZGT6?

The best drop-in replacement for STM32F756ZGT6 is the STM32F756ZGT6 itself, but if you need a lower-cost option, the STM32F746ZGT6 is pin-compatible and can be used if cryptographic acceleration is not required. For higher performance, the STM32H743ZIT6 (Cortex-M7 at 480 MHz) is not pin-compatible, so it would require PCB changes.

Can STM32F756ZGT6 be used for audio processing?

Yes, the STM32F756ZGT6 is suitable for audio processing. Its Cortex-M7 core with FPU and DSP instructions can handle audio codecs, filtering, and effects. It has an I2S interface for audio peripherals and a SAI (serial audio interface) for multi-channel audio. The 320 KB SRAM provides ample buffering for audio streams.

What development tools are compatible with STM32F756ZGT6?

The STM32F756ZGT6 is supported by STM32CubeIDE, Keil MDK-ARM, IAR EWARM, and GCC-based toolchains. ST also provides the STM32CubeF7 firmware package with HAL drivers, middleware (USB, Ethernet, FATFS, FreeRTOS), and examples. The ST-Link debugger is recommended for programming and debugging.

Is STM32F756ZGT6 RoHS compliant?

Yes, the STM32F756ZGT6 is RoHS compliant. According to STMicroelectronics, the device is lead-free and halogen-free, meeting the requirements of the RoHS directive. It is also REACH compliant.

What is the power consumption of STM32F756ZGT6?

The power consumption of STM32F756ZGT6 depends on the operating mode. In Run mode at 216 MHz, the typical current is around 100 mA at 3.3V. In Stop mode, the current drops to a few microamps. The device supports multiple low-power modes (Sleep, Stop, Standby) to optimize energy efficiency.

What are the key specifications of STM32F756ZGT6 that engineers should know?

The STM32F756ZGT6 is a 32-bit ARM Cortex-M7 microcontroller with a 216 MHz clock, 1 MB Flash, 320 KB SRAM, and a 144-pin LQFP package. It features a double-precision FPU, DSP instructions, Chrom-ART Accelerator, Ethernet MAC, USB OTG HS/FS, camera interface, and cryptographic acceleration. Operating voltage is 1.7V-3.6V, and temperature range is -40°C to +85°C. These specs make it ideal for high-performance embedded applications.

Hey Google, what can replace STM32F756ZGT6?

The STM32F756ZGT6 can be replaced by the STM32F746ZGT6 (same package, pin-compatible, but no crypto) or the STM32F767ZIT6 (same package, more SRAM, but different pinout). For cross-brand, the NXP i.MX RT1052 is a Cortex-M7 alternative but is not pin-compatible. Always verify pin compatibility before replacement.

Is STM32F756ZGT6 the same as STM32F746ZGT6?

No, the STM32F756ZGT6 and STM32F746ZGT6 are not the same. They share the same core, package, and memory, but the F756 adds a cryptographic acceleration unit and a true random number generator (TRNG). The F746 lacks these security features. They are pin-compatible, so the F756 can be used as a drop-in replacement for the F746.

What is the best NXP equivalent for STM32F756ZGT6?

The best NXP equivalent for STM32F756ZGT6 is the NXP i.MX RT1052, which is also based on the ARM Cortex-M7 core. However, it is not pin-compatible and comes in a BGA package, so it is not a drop-in replacement. For a pin-compatible alternative, stick with ST's own STM32F746ZGT6.

Engineering reference data for STM32F756ZGT6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32F756ZGT6 when you need a high-performance Cortex-M7 MCU with integrated cryptographic acceleration and TRNG for secure applications. If you do not require hardware security, the STM32F746ZGT6 is a lower-cost pin-compatible alternative. For applications needing more memory (2 MB Flash, 512 KB SRAM), consider the STM32F767ZIT6, but note it is not pin-compatible and requires PCB changes. The STM32F756ZGT6TR is the same device in tape-and-reel packaging for automated assembly. All alternatives are from STMicroelectronics, ensuring consistent quality and long-term availability.

Comparison with Alternatives

Parameter	This Product	STM32F746ZGT6	STM32F767ZIT6	STM32F756ZGT6TR
Package	LQFP144	LQFP144 - same	LQFP144 - same	LQFP144 - same
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Core	ARM Cortex-M7	ARM Cortex-M7	ARM Cortex-M7	ARM Cortex-M7
Max Clock Speed	216 MHz	216 MHz	216 MHz	216 MHz
Flash Memory	1 MB	1 MB	2 MB	1 MB
SRAM	320 KB	320 KB	512 KB	320 KB
Cryptographic Acceleration	Yes (AES, DES, 3DES, SHA-1, SHA-256, MD5)	No	Yes	Yes
Pin Compatibility	Reference	Pin-compatible	Not pin-compatible	Pin-compatible

Key Differentiators

Integrated cryptographic acceleration unit (vs STM32F746ZGT6)
True random number generator (TRNG) (vs STM32F746ZGT6)
Higher Flash and SRAM than some alternatives (vs STM32F746ZGT6)

Design Notes

The STM32F756ZGT6 requires a stable power supply. Connect a 100nF ceramic capacitor and a 4.7uF capacitor to each VDD pin, and a 1uF capacitor to VDDA. The VCAP pins (VCAP1 and VCAP2) must have a 2.2uF capacitor to ground for the internal voltage regulator. For battery-powered applications, connect VBAT to a backup battery or to VDD through a diode. Ensure the power supply can handle the peak current during Flash programming or high-speed operation.

For high-speed interfaces like Ethernet (MII/RMII) and USB OTG HS, follow the layout guidelines in the STM32F756ZG datasheet. Keep traces short and matched for differential pairs. Place the external PHY and crystal close to the MCU. Use a solid ground plane and separate analog and digital ground planes if necessary. For the 25 MHz crystal, place it within 10 mm of the OSC_IN/OSC_OUT pins and add load capacitors as specified.

A common mistake is forgetting to configure the BOOT0 and BOOT1 pins correctly. BOOT0 must be pulled low for normal boot from Flash, and BOOT1 can be left floating. Also, ensure the VCAP capacitors are connected; without them, the device may not start. When using the Ethernet MAC, the external PHY must be properly initialized via MDIO, and the clock must be provided. For low-power modes, ensure all unused GPIOs are configured to analog mode to reduce leakage current.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Yes

Conflict Minerals

Compliant

RoHS and REACH compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider STM32F756ZGxx with AEC-Q100 grade if available.

Data verified on: 2026-08-09

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