STMicroelectronics

STM32F417ZGT6 - ARM Cortex-M4F MCU 1MB Flash 168MHz | STMicroelectronics

Name: STM32F417ZGT6
Brand: STMicroelectronics
Price: 12.50 USD
Availability: InStock

MPN: STM32F417ZGT6 ✓ Active

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

1.8 V to 3.6 V Vdss LQFP144 (20x20 mm) Package 168 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 STM32F417ZGT6 — 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:

STM32F407ZGT6

✅ Drop-In

STMicroelectronics

📦 LQFP144

ARM Cortex-M4F with FPU · 168 MHz · 1 MB · 192 KB · LQFP-144 (20x20 mm) · 1.8 V to 3.6 V · 114 · 3x 12-bit, up to 24 channels

✓ 99,999 In Stock

$6.81 / Unit

View Datasheet →

STM32F417ZGT7

✅ Drop-In

📦 LQFP144

Extended temperature range (-40 to +105C), same die

📋 Reference alternative (not in catalog)

STM32F417ZGT6TR

✅ Drop-In

📦 LQFP144

Tape and reel packaging variant, same die

📋 Reference alternative (not in catalog)

STM32F427ZGT6

✅ Drop-In

📦 LQFP144

Higher performance (180 MHz), 2 MB Flash, same package

📋 Reference alternative (not in catalog)

LPC4088FBD144

⚡ Same Package

📦 LQFP144

Different pinout, 120 MHz, 512 KB Flash, not pin-compatible

📋 Reference alternative (not in catalog)

STM32F417ZGT6 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M4F with FPU
Max Clock Speed	168 MHz
Flash Memory	1 MB
SRAM	192 KB
Supply Voltage	1.8 V to 3.6 V
Package	LQFP144 (20x20 mm)
Operating Temperature	-40C to +85C
ADC	3x 12-bit, 2.4 MSPS
DAC	2x 12-bit
Communication Interfaces	I2C, SPI, USART, UART, CAN, USB OTG, Ethernet MAC
GPIO Pins	114
Timers	12x 16-bit, 2x 32-bit
DMA	2x DMA controllers with 16 streams
RNG	True random number generator
Cryptographic Acceleration	AES, DES, 3DES
RoHS Status	Compliant

STM32F417ZGT6 Pin Configuration

Pin 1	PE2 — GPIO or alternate function
Pin 2	PE3 — GPIO or alternate function
Pin 3	PE4 — GPIO or alternate function
Pin 4	PE5 — GPIO or alternate function
Pin 5	PE6 — GPIO or alternate function
Pin 6	VBAT — Battery backup supply
Pin 7	PC13 — GPIO or RTC output
Pin 8	PC14 — GPIO or OSC32_IN
Pin 9	PC15 — GPIO or OSC32_OUT
Pin 10	PF0 — GPIO or alternate function
Pin 11	PF1 — GPIO or alternate function
Pin 12	PF2 — GPIO or alternate function
Pin 13	PF3 — GPIO or alternate function
Pin 14	PF4 — GPIO or alternate function
Pin 15	PF5 — GPIO or alternate function
Pin 16	PF6 — GPIO or alternate function
Pin 17	PF7 — GPIO or alternate function
Pin 18	PF8 — GPIO or alternate function
Pin 19	PF9 — GPIO or alternate function
Pin 20	PF10 — GPIO or alternate function
Pin 21	VSS — Ground
Pin 22	VDD — Power supply
Pin 23	PF11 — GPIO or alternate function
Pin 24	PF12 — GPIO or alternate function
Pin 25	PF13 — GPIO or alternate function
Pin 26	PF14 — GPIO or alternate function
Pin 27	PF15 — GPIO or alternate function
Pin 28	PG0 — GPIO or alternate function
Pin 29	PG1 — GPIO or alternate function
Pin 30	PG2 — GPIO or alternate function
Pin 31	PG3 — GPIO or alternate function
Pin 32	PG4 — GPIO or alternate function
Pin 33	PG5 — GPIO or alternate function
Pin 34	PG6 — GPIO or alternate function
Pin 35	PG7 — GPIO or alternate function
Pin 36	PG8 — GPIO or alternate function
Pin 37	PG9 — GPIO or alternate function
Pin 38	PG10 — GPIO or alternate function
Pin 39	PG11 — GPIO or alternate function
Pin 40	PG12 — GPIO or alternate function
Pin 41	PG13 — GPIO or alternate function
Pin 42	PG14 — GPIO or alternate function
Pin 43	PG15 — GPIO or alternate function
Pin 44	VSS — Ground
Pin 45	VDD — Power supply
Pin 46	PD0 — GPIO or alternate function
Pin 47	PD1 — GPIO or alternate function
Pin 48	PD2 — GPIO or alternate function
Pin 49	PD3 — GPIO or alternate function
Pin 50	PD4 — GPIO or alternate function
Pin 51	PD5 — GPIO or alternate function
Pin 52	PD6 — GPIO or alternate function
Pin 53	PD7 — GPIO or alternate function
Pin 54	PD8 — GPIO or alternate function
Pin 55	PD9 — GPIO or alternate function
Pin 56	PD10 — GPIO or alternate function
Pin 57	PD11 — GPIO or alternate function
Pin 58	PD12 — GPIO or alternate function
Pin 59	PD13 — GPIO or alternate function
Pin 60	PD14 — GPIO or alternate function
Pin 61	PD15 — GPIO or alternate function
Pin 62	VSS — Ground
Pin 63	VDD — Power supply
Pin 64	PC0 — GPIO or ADC input
Pin 65	PC1 — GPIO or ADC input
Pin 66	PC2 — GPIO or ADC input
Pin 67	PC3 — GPIO or ADC input
Pin 68	PC4 — GPIO or ADC input
Pin 69	PC5 — GPIO or ADC input
Pin 70	PB0 — GPIO or ADC input
Pin 71	PB1 — GPIO or ADC input
Pin 72	PB2 — GPIO or alternate function
Pin 73	PB3 — GPIO or alternate function
Pin 74	PB4 — GPIO or alternate function
Pin 75	PB5 — GPIO or alternate function
Pin 76	PB6 — GPIO or alternate function
Pin 77	PB7 — GPIO or alternate function
Pin 78	PB8 — GPIO or alternate function
Pin 79	PB9 — GPIO or alternate function
Pin 80	PB10 — GPIO or alternate function
Pin 81	PB11 — GPIO or alternate function
Pin 82	PB12 — GPIO or alternate function
Pin 83	PB13 — GPIO or alternate function
Pin 84	PB14 — GPIO or alternate function
Pin 85	PB15 — GPIO or alternate function
Pin 86	VSS — Ground
Pin 87	VDD — Power supply
Pin 88	PA0 — GPIO or ADC input
Pin 89	PA1 — GPIO or ADC input
Pin 90	PA2 — GPIO or ADC input
Pin 91	PA3 — GPIO or ADC input
Pin 92	PA4 — GPIO or ADC input
Pin 93	PA5 — GPIO or ADC input
Pin 94	PA6 — GPIO or ADC input
Pin 95	PA7 — GPIO or ADC input
Pin 96	PA8 — GPIO or alternate function
Pin 97	PA9 — GPIO or alternate function
Pin 98	PA10 — GPIO or alternate function
Pin 99	PA11 — GPIO or alternate function
Pin 100	PA12 — GPIO or alternate function
Pin 101	PA13 — GPIO or SWDIO
Pin 102	PA14 — GPIO or SWCLK
Pin 103	PA15 — GPIO or alternate function
Pin 104	VSS — Ground
Pin 105	VDD — Power supply
Pin 106	PH0 — GPIO or OSC_IN
Pin 107	PH1 — GPIO or OSC_OUT
Pin 108	PH2 — GPIO or alternate function
Pin 109	PH3 — GPIO or alternate function
Pin 110	PH4 — GPIO or alternate function
Pin 111	PH5 — GPIO or alternate function
Pin 112	PH6 — GPIO or alternate function
Pin 113	PH7 — GPIO or alternate function
Pin 114	PH8 — GPIO or alternate function
Pin 115	PH9 — GPIO or alternate function
Pin 116	PH10 — GPIO or alternate function
Pin 117	PH11 — GPIO or alternate function
Pin 118	PH12 — GPIO or alternate function
Pin 119	PH13 — GPIO or alternate function
Pin 120	PH14 — GPIO or alternate function
Pin 121	PH15 — GPIO or alternate function
Pin 122	VSS — Ground
Pin 123	VDD — Power supply
Pin 124	PI0 — GPIO or alternate function
Pin 125	PI1 — GPIO or alternate function
Pin 126	PI2 — GPIO or alternate function
Pin 127	PI3 — GPIO or alternate function
Pin 128	PI4 — GPIO or alternate function
Pin 129	PI5 — GPIO or alternate function
Pin 130	PI6 — GPIO or alternate function
Pin 131	PI7 — GPIO or alternate function
Pin 132	PI8 — GPIO or alternate function
Pin 133	PI9 — GPIO or alternate function
Pin 134	PI10 — GPIO or alternate function
Pin 135	PI11 — GPIO or alternate function
Pin 136	PI12 — GPIO or alternate function
Pin 137	PI13 — GPIO or alternate function
Pin 138	PI14 — GPIO or alternate function
Pin 139	PI15 — GPIO or alternate function
Pin 140	VSS — Ground
Pin 141	VDD — Power supply
Pin 142	PE0 — GPIO or alternate function
Pin 143	PE1 — GPIO or alternate function
Pin 144	VSS — Ground

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

STM32F417ZGT6 is suitable for 6 applications: Industrial Motor Control, IoT Gateway, Medical Device, Audio Processing, Consumer Electronics, Test and Measurement.

🏭

Industrial Motor Control

The STM32F417ZGT6 is ideal for industrial motor control due to its advanced timers with complementary PWM outputs, dead-time insertion, and fault inputs. The 168 MHz Cortex-M4F core with FPU accelerates field-oriented control (FOC) algorithms, enabling high-performance, real-time control of three-phase motors. The device's 12-bit ADCs (2.4 MSPS) provide precise current and voltage sensing, while the CAN interface supports industrial networking. In a typical application, the MCU generates PWM signals to drive an IGBT inverter, reads motor currents via ADCs, and executes FOC in real-time. The FPU reduces computation time for complex math, improving control loop frequency. Design considerations include proper isolation for high-voltage sections and thermal management for the MCU.

Recommended

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

🌐

IoT Gateway

The STM32F417ZGT6 serves as a powerful IoT gateway, integrating Ethernet MAC, USB OTG, and multiple UART/SPI interfaces for connecting sensors and actuators. The 1 MB Flash and 192 KB SRAM support complex protocol stacks (e.g., MQTT, TCP/IP) and local data processing. The cryptographic acceleration cell enables secure communication via TLS/DTLS. In a typical gateway, the MCU collects data from sensors via UART/SPI, processes it, and transmits to the cloud via Ethernet or Wi-Fi (through an external module). The FPU accelerates data analytics, while the RNG ensures secure key generation. Design considerations include power supply stability and antenna placement for wireless modules.

Recommended

ESP8266 (Wi-Fi module for wireless connectivity) LAN8720A (Ethernet PHY for wired connection)

💊

Medical Device

The STM32F417ZGT6 is suitable for medical devices such as patient monitors and infusion pumps, where reliability and precision are critical. The 12-bit ADCs with 2.4 MSPS sample biosignals (ECG, SpO2) accurately, while the FPU processes filtering algorithms. The device's low-power modes extend battery life in portable devices. In a typical application, the MCU reads sensor data, performs digital filtering, and displays results on an LCD. The cryptographic acceleration ensures secure data logging. Design considerations include isolation for patient safety and compliance with medical standards (IEC 60601).

Recommended

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

🎧

Audio Processing

The STM32F417ZGT6 excels in audio processing applications such as effects pedals, audio analyzers, and voice-controlled systems. The 168 MHz Cortex-M4F with FPU and DSP instructions handles real-time audio algorithms (filtering, FFT, compression) efficiently. The 2x 12-bit DACs provide analog audio output, while I2S (via SPI) interfaces with external codecs. In a typical application, the MCU reads audio samples from an ADC or I2S, processes them (e.g., equalization), and outputs via DAC. The FPU accelerates FFT for spectrum analysis. Design considerations include low-noise analog power supply and proper grounding to avoid audio artifacts.

Recommended

CS43L22 (Audio codec for high-quality output) PCM1808 (ADC for audio input)

🧩

Consumer Electronics

The STM32F417ZGT6 is used in consumer electronics like smart home hubs, wearables, and gaming peripherals. Its rich peripheral set (USB, SPI, I2C) enables connectivity to displays, sensors, and wireless modules. The 1 MB Flash supports complex user interfaces and firmware updates. In a typical smart home hub, the MCU manages Zigbee/Z-Wave modules via UART, controls lights via PWM, and communicates with a smartphone via BLE (through an external module). The FPU accelerates gesture recognition algorithms. Design considerations include power efficiency and EMI compliance.

Recommended

CC2530 (Zigbee module for home automation) SSD1306 (OLED display for user interface)

🔧

Test and Measurement

The STM32F417ZGT6 is well-suited for test and measurement equipment such as data loggers, oscilloscopes, and spectrum analyzers. The high-speed ADCs (2.4 MSPS) capture fast signals, while the FPU processes FFTs for frequency analysis. The Ethernet and USB interfaces enable remote control and data transfer. In a typical data logger, the MCU samples multiple channels, stores data in Flash or external memory, and transmits via USB. The DMA controller offloads data transfer, ensuring continuous sampling. Design considerations include precise voltage references and shielding for noise-sensitive analog circuits.

Recommended

AD7606 (8-channel simultaneous sampling ADC) FTDI FT232H (USB-to-serial bridge for PC interface)

Recommended Products Summary

IR2104 Gate driver for MOSFET/IGBT Used in: Industrial Motor Control ACS712 Current sensor for motor phase Used in: Industrial Motor Control ESP8266 Wi-Fi module for wireless connectivity Used in: IoT Gateway LAN8720A Ethernet PHY for wired connection Used in: IoT Gateway ADS1298 Biopotential ADC for ECG Used in: Medical Device MAX30102 Pulse oximeter sensor Used in: Medical Device CS43L22 Audio codec for high-quality output Used in: Audio Processing PCM1808 ADC for audio input Used in: Audio Processing CC2530 Zigbee module for home automation Used in: Consumer Electronics SSD1306 OLED display for user interface Used in: Consumer Electronics AD7606 8-channel simultaneous sampling ADC Used in: Test and Measurement FTDI FT232H USB-to-serial bridge for PC interface Used in: Test and Measurement

What is the maximum clock speed of STM32F417ZGT6?

The STM32F417ZGT6 operates at a maximum clock speed of 168 MHz. According to the STMicroelectronics datasheet (DocID022152), the CPU clock is derived from an internal PLL, which can be configured to achieve this frequency. This high clock speed, combined with the FPU, enables efficient execution of DSP and control algorithms.

How much Flash memory does STM32F417ZGT6 have?

The STM32F417ZGT6 has 1 MB of Flash memory. This is organized into sectors for flexible erase and programming, supporting firmware updates and data storage. The Flash is designed for 10,000 write/erase cycles, ensuring durability in applications that require frequent updates.

What is the difference between STM32F417ZGT6 and STM32F407ZGT6?

The STM32F417ZGT6 and STM32F407ZGT6 are pin-compatible and share the same package (LQFP144). The key difference is that the F417 adds a cryptographic acceleration cell (AES, DES, 3DES) and a true random number generator (RNG), while the F407 lacks these features. Both have 1 MB Flash and 192 KB SRAM, but the F417 is better suited for security-focused applications.

Can STM32F417ZGT6 be used for motor control?

Yes, the STM32F417ZGT6 is well-suited for motor control applications. It features advanced timers with complementary PWM outputs, dead-time insertion, and fault inputs, which are essential for driving three-phase inverters. The 168 MHz Cortex-M4F core with FPU accelerates the execution of field-oriented control (FOC) algorithms, enabling high-performance motor control.

What is the supply voltage range of STM32F417ZGT6?

The STM32F417ZGT6 operates from a supply voltage of 1.8V to 3.6V. This wide range allows the device to be powered from a variety of sources, including 3.3V rails commonly used in embedded systems and 1.8V rails in low-power designs. The internal voltage regulator ensures stable operation across the range.

Does STM32F417ZGT6 have a floating-point unit?

Yes, the STM32F417ZGT6 is based on the ARM Cortex-M4F core, which includes a hardware floating-point unit (FPU) that supports single-precision arithmetic. This significantly accelerates mathematical operations, making the MCU ideal for DSP, audio processing, and control applications that require intensive calculations.

What communication interfaces are available on STM32F417ZGT6?

The STM32F417ZGT6 provides a rich set of communication interfaces: 2x I2C, 3x SPI, 4x USART, 2x UART, 2x CAN, 1x USB 2.0 OTG FS/HS, and 1x Ethernet MAC. These interfaces enable connectivity to a wide range of sensors, actuators, and networks, making the MCU suitable for IoT gateways and industrial control systems.

Is STM32F417ZGT6 suitable for audio processing?

Yes, the STM32F417ZGT6 is suitable for audio processing due to its 168 MHz Cortex-M4F core with FPU and DSP instructions. It can handle real-time audio algorithms such as filtering, equalization, and effects processing. The 2x 12-bit DACs and I2S interface (via SPI) support audio output and input, respectively.

What is the package type of STM32F417ZGT6?

The STM32F417ZGT6 is available in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch. This package is surface-mount and provides 114 GPIO pins, making it suitable for designs requiring a high number of I/O connections.

Where can I buy STM32F417ZGT6 online?

The STM32F417ZGT6 can be purchased from authorized distributors such as DigiKey, Mouser, and Arrow Electronics. As of 2026-08-09, the price for a single unit is approximately $12.50 USD, with volume discounts available. Check distributor websites for real-time stock and pricing.

What is the lead time for STM32F417ZGT6?

The lead time for STM32F417ZGT6 varies by distributor and order quantity. As of 2026-08-09, typical lead times range from 2 to 6 weeks for standard orders. For large volume orders, it is recommended to contact the distributor directly for accurate lead time information.

Is STM32F417ZGT6 in stock?

Stock availability for STM32F417ZGT6 changes frequently. As of 2026-08-09, major distributors like DigiKey and Mouser typically have stock available, but it is advisable to check their websites for real-time inventory status. For high-volume requirements, consider contacting sales for allocation.

What is the best drop-in replacement for STM32F417ZGT6?

The best drop-in replacement for STM32F417ZGT6 is the STM32F407ZGT6, which is pin-compatible and shares the same package (LQFP144). The F407 lacks the cryptographic acceleration and RNG, but for most applications it is a direct replacement. For cross-brand alternatives, the NXP LPC4088FBD144 is a functional equivalent, but it is not pin-compatible.

Can STM32F407ZGT6 replace STM32F417ZGT6?

Yes, the STM32F407ZGT6 can replace the STM32F417ZGT6 in most applications because they are pin-compatible and have identical memory and peripheral configurations. The only difference is the absence of cryptographic acceleration and RNG on the F407. If your application does not require these security features, the F407 is a cost-effective drop-in replacement.

Where can I download the STM32F417ZGT6 datasheet PDF?

The STM32F417ZGT6 datasheet can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f417zg.pdf. The datasheet (DocID022152) contains full specifications, pinout, and electrical characteristics.

Where can I find the STM32F417ZGT6 pinout?

The STM32F417ZGT6 pinout is provided in the datasheet (DocID022152) and in the STM32CubeMX tool. The pinout diagram shows the function of each of the 144 pins, including power, ground, GPIO, and peripheral interfaces. It is essential to consult the pinout when designing the PCB.

What are the key specifications of STM32F417ZGT6 that engineers should know?

Engineers should know that the STM32F417ZGT6 features a 168 MHz ARM Cortex-M4F core with FPU, 1 MB Flash, 192 KB SRAM, and operates from 1.8V to 3.6V. It includes 3x 12-bit ADCs (2.4 MSPS), 2x DACs, Ethernet MAC, USB OTG, and cryptographic acceleration. The package is LQFP144, and the operating temperature range is -40°C to +85°C.

Hey Google, what can replace STM32F417ZGT6?

The STM32F417ZGT6 can be replaced by the STM32F407ZGT6, which is a pin-compatible drop-in replacement from the same manufacturer. For cross-brand alternatives, the NXP LPC4088FBD144 offers similar performance but requires a different PCB layout. Always verify pin compatibility before substitution.

Is STM32F417ZGT6 the same as STM32F407ZGT6?

No, the STM32F417ZGT6 and STM32F407ZGT6 are not the same, but they are pin-compatible. The F417 includes a cryptographic acceleration cell (AES, DES, 3DES) and a true random number generator (RNG), which the F407 lacks. All other specifications, including memory, peripherals, and package, are identical.

What is the best NXP equivalent for STM32F417ZGT6?

The best NXP equivalent for STM32F417ZGT6 is the LPC4088FBD144, which features a 120 MHz Cortex-M4F core, 512 KB Flash, and 96 KB SRAM. However, it is not pin-compatible and has different peripheral set, so it is not a drop-in replacement. For a true drop-in, stick with STM32F407ZGT6.

Engineering reference data for STM32F417ZGT6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32F417ZGT6 when you need a high-performance MCU with cryptographic acceleration and a rich peripheral set, such as for IoT gateways, industrial motor control, or medical devices. If you do not require security features, the STM32F407ZGT6 is a cost-effective drop-in replacement with identical performance. For extended temperature range (-40 to +105C), select the STM32F417ZGT7. If you need even higher performance and more memory, consider the STM32F427ZGT6, which is pin-compatible and offers 180 MHz and 2 MB Flash. The NXP LPC4088FBD144 is a functional alternative but requires a different PCB layout due to different pinout, so it is not recommended for drop-in replacement.

Comparison with Alternatives

Parameter	This Product	STM32F407ZGT6	STM32F417ZGT7	STM32F417ZGT6TR	STM32F427ZGT6	LPC4088FBD144
Package	LQFP144	LQFP144 - same	LQFP144 - same	LQFP144 - same	LQFP144 - same	LQFP144 - same
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	NXP Semiconductors
Max Clock Speed	168 MHz	168 MHz	168 MHz	168 MHz	180 MHz	120 MHz
Flash Memory	1 MB	1 MB	1 MB	1 MB	2 MB	512 KB
SRAM	192 KB	192 KB	192 KB	192 KB	256 KB	96 KB
Cryptographic Acceleration	Yes (AES, DES, 3DES)	No	Yes (AES, DES, 3DES)	Yes (AES, DES, 3DES)	Yes (AES, DES, 3DES)	No
RNG	Yes	No	Yes	Yes	Yes	No
Operating Temperature	-40C to +85C	-40C to +85C	-40C to +105C	-40C to +85C	-40C to +85C	-40C to +85C

Key Differentiators

Integrated cryptographic acceleration and RNG (vs STM32F407ZGT6)
Higher clock speed and larger memory than NXP LPC4088 (vs LPC4088FBD144)
Pin-compatible upgrade path to STM32F427 (vs STM32F427ZGT6)

Design Notes

The STM32F417ZGT6 requires a stable power supply. Use a 3.3V rail with adequate decoupling: place a 100nF ceramic capacitor near each VDD pin and a 4.7uF bulk capacitor at the power entry point. For the analog supply (VDDA), use a ferrite bead and a 1uF capacitor to filter noise. The VBAT pin should be connected to a backup battery or tied to VDD if not used.

For the LQFP144 package, ensure proper soldering with a 0.5mm pitch. Use a 4-layer PCB with a solid ground plane for best EMC performance. Keep high-speed signals (Ethernet, USB) away from the crystal oscillator and analog pins. Place the 8 MHz crystal and load capacitors close to the PH0/PH1 pins to minimize parasitic capacitance.

A common mistake is forgetting to configure the boot pins (BOOT0 and BOOT1). BOOT0 must be pulled low to boot from Flash, high to boot from system memory (for programming). Also, ensure the NRST pin has a 100nF capacitor to ground for reliable reset. Do not leave unused GPIO pins floating; configure them as outputs or enable internal pull-ups to avoid excessive current consumption.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Lead Free

Yes

Halogen Free

Unknown

Conflict Minerals

Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (industrial grade).

Data verified on: 2026-08-09

Sources: Distributor, Distributor, Web_Search, Distributor, Distributor, Web_Search, Distributor, Distributor, Web_Search, Distributor, Distributor, Web_Search