STMicroelectronics

STM32N657VGT6 - 600MHz Cortex-M7 MCU with 2MB Flash | STMicroelectronics

MPN: STM32N657VGT6 βœ“ Active
In Stock (99,999) Ships in 1-3 business days
1.71 V to 3.6 V Vdss LQFP100 (14x14 mm) Package 600 MHz Speed 2 MB Memory
$12.5 USD / Unit
MOQ: 1 |
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Qty Unit Price Extended
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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

Drop-in alternatives for STM32N657VGT6 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

STM32H757VGT6

βœ… Drop-In
πŸ“¦ LQFP100
Lower core speed (480 MHz vs 600 MHz) and less SRAM (1 MB vs 1.5 MB), but pin-compatible in LQFP100

πŸ“‹ Reference alternative (not in catalog)

STM32H743VIT6

βœ… Drop-In
πŸ“¦ LQFP100
Lower core speed (480 MHz) and less SRAM (1 MB), but pin-compatible in LQFP100

πŸ“‹ Reference alternative (not in catalog)

ℹ️ 2 cross-package part(s) hidden β€” different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

STM32N657VGT6 Maximum Ratings & Electrical Characteristics

Core Processor Arm Cortex-M7
Core Speed 600 MHz
Flash Memory 2 MB
SRAM 1.5 MB
Number of I/O 80
Supply Voltage 1.71 V to 3.6 V
Operating Temperature -40C to +125C
Package LQFP100 (14x14 mm)
Mounting Type Surface Mount
Ethernet 10/100 Mbps
USB USB 2.0 Full Speed
CAN 2x CAN-FD
SPI 6x
I2C 4x
UART 8x
ADC 3x 12-bit, 5 Msps
DAC 2x 12-bit
Timers Advanced-control timers, general-purpose timers
Security Hardware crypto, TRNG, secure boot
RoHS Status Compliant

STM32N657VGT6 Pin Configuration

QFP-100 Package Pinout Diagram QFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 QFP-100
Pin 1 VDD β€” Power supply
Pin 2 VSS β€” Ground
Pin 3 PA0 β€” GPIO/ADC
Pin 4 PA1 β€” GPIO/ADC
Pin 5 PA2 β€” GPIO/USART
Pin 6 PA3 β€” GPIO/USART
Pin 7 PA4 β€” GPIO/DAC
Pin 8 PA5 β€” GPIO/DAC
Pin 9 PA6 β€” GPIO/SPI
Pin 10 PA7 β€” GPIO/SPI
Pin 11 PA8 β€” GPIO/TIM
Pin 12 PA9 β€” GPIO/USART
Pin 13 PA10 β€” GPIO/USART
Pin 14 PA11 β€” GPIO/USB
Pin 15 PA12 β€” GPIO/USB
Pin 16 PA13 β€” SWDIO
Pin 17 PA14 β€” SWCLK
Pin 18 PA15 β€” GPIO/JTDI
Pin 19 PB0 β€” GPIO/ADC
Pin 20 PB1 β€” GPIO/ADC
Pin 21 PB2 β€” GPIO
Pin 22 PB3 β€” GPIO/JTDO
Pin 23 PB4 β€” GPIO/JNTRST
Pin 24 PB5 β€” GPIO/I2C
Pin 25 PB6 β€” GPIO/I2C
Pin 26 PB7 β€” GPIO/I2C
Pin 27 PB8 β€” GPIO/CAN
Pin 28 PB9 β€” GPIO/CAN
Pin 29 PB10 β€” GPIO/SPI
Pin 30 PB11 β€” GPIO/SPI
Pin 31 PB12 β€” GPIO/SPI
Pin 32 PB13 β€” GPIO/SPI
Pin 33 PB14 β€” GPIO/SPI
Pin 34 PB15 β€” GPIO/SPI
Pin 35 PC0 β€” GPIO/ADC
Pin 36 PC1 β€” GPIO/ADC
Pin 37 PC2 β€” GPIO/ADC
Pin 38 PC3 β€” GPIO/ADC
Pin 39 PC4 β€” GPIO/ADC
Pin 40 PC5 β€” GPIO/ADC
Pin 41 PC6 β€” GPIO/TIM
Pin 42 PC7 β€” GPIO/TIM
Pin 43 PC8 β€” GPIO/TIM
Pin 44 PC9 β€” GPIO/TIM
Pin 45 PC10 β€” GPIO/UART
Pin 46 PC11 β€” GPIO/UART
Pin 47 PC12 β€” GPIO/UART
Pin 48 PC13 β€” GPIO/RTC
Pin 49 PC14 β€” OSC32_IN
Pin 50 PC15 β€” OSC32_OUT
Pin 51 PD0 β€” GPIO/FSMC
Pin 52 PD1 β€” GPIO/FSMC
Pin 53 PD2 β€” GPIO/TIM
Pin 54 PD3 β€” GPIO/FSMC
Pin 55 PD4 β€” GPIO/FSMC
Pin 56 PD5 β€” GPIO/FSMC
Pin 57 PD6 β€” GPIO/FSMC
Pin 58 PD7 β€” GPIO/FSMC
Pin 59 PD8 β€” GPIO/FSMC
Pin 60 PD9 β€” GPIO/FSMC
Pin 61 PD10 β€” GPIO/FSMC
Pin 62 PD11 β€” GPIO/FSMC
Pin 63 PD12 β€” GPIO/FSMC
Pin 64 PD13 β€” GPIO/FSMC
Pin 65 PD14 β€” GPIO/FSMC
Pin 66 PD15 β€” GPIO/FSMC
Pin 67 PE0 β€” GPIO/FSMC
Pin 68 PE1 β€” GPIO/FSMC
Pin 69 PE2 β€” GPIO/FSMC
Pin 70 PE3 β€” GPIO/FSMC
Pin 71 PE4 β€” GPIO/FSMC
Pin 72 PE5 β€” GPIO/FSMC
Pin 73 PE6 β€” GPIO/FSMC
Pin 74 PE7 β€” GPIO/FSMC
Pin 75 PE8 β€” GPIO/FSMC
Pin 76 PE9 β€” GPIO/FSMC
Pin 77 PE10 β€” GPIO/FSMC
Pin 78 PE11 β€” GPIO/FSMC
Pin 79 PE12 β€” GPIO/FSMC
Pin 80 PE13 β€” GPIO/FSMC
Pin 81 PE14 β€” GPIO/FSMC
Pin 82 PE15 β€” GPIO/FSMC
Pin 83 PF0 β€” GPIO/FSMC
Pin 84 PF1 β€” GPIO/FSMC
Pin 85 PF2 β€” GPIO/FSMC
Pin 86 PF3 β€” GPIO/FSMC
Pin 87 PF4 β€” GPIO/FSMC
Pin 88 PF5 β€” GPIO/FSMC
Pin 89 PF6 β€” GPIO/FSMC
Pin 90 PF7 β€” GPIO/FSMC
Pin 91 PF8 β€” GPIO/FSMC
Pin 92 PF9 β€” GPIO/FSMC
Pin 93 PF10 β€” GPIO/FSMC
Pin 94 PF11 β€” GPIO/FSMC
Pin 95 PF12 β€” GPIO/FSMC
Pin 96 PF13 β€” GPIO/FSMC
Pin 97 PF14 β€” GPIO/FSMC
Pin 98 PF15 β€” GPIO/FSMC
Pin 99 VDD β€” Power supply
Pin 100 VSS β€” Ground

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for STM32N657VGT6 Drain-to-Source Voltage (Vds) Drain Current (Id)

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

STM32N657VGT6 is suitable for 6 applications: Industrial Control Systems, IoT Gateways, Advanced Human-Machine Interface (HMI), Edge AI and Machine Learning, Motor Control, Audio Processing.

🏭

Industrial Control Systems

The STM32N657VGT6's 600 MHz Cortex-M7 core and rich peripheral set make it ideal for industrial control systems. It can handle complex real-time control algorithms, motor control, and PLC applications. The device's multiple UART, SPI, I2C, and CAN-FD interfaces enable seamless communication with sensors, actuators, and industrial networks. Its wide operating temperature range (-40Β°C to +125Β°C) ensures reliable operation in harsh industrial environments. The high-speed ADC (5 Msps) allows precise analog signal acquisition for process control. The security features, including secure boot and hardware crypto, protect against unauthorized access and firmware tampering, which is critical for industrial IoT deployments. The device's deterministic execution and low-latency interrupt handling ensure timely response to real-time events, making it suitable for safety-critical applications when combined with external safety mechanisms.

🌐

IoT Gateways

The STM32N657VGT6 is well-suited for IoT gateways due to its Ethernet MAC, USB 2.0, and multiple communication interfaces. It can aggregate data from various sensors and devices, process it locally, and transmit it to the cloud via Ethernet or Wi-Fi (using an external module). The 600 MHz core enables edge computing, allowing real-time data analysis and decision-making at the gateway level. The security features, including hardware crypto and secure boot, ensure secure communication and firmware updates. The device's low power modes help reduce energy consumption in always-on gateway applications. The large SRAM (1.5 MB) supports buffering of data from multiple sensors, and the rich peripheral set simplifies interfacing with different sensor types. The device's robust design and wide temperature range make it suitable for outdoor and industrial IoT deployments.

πŸ“Ί

Advanced Human-Machine Interface (HMI)

The STM32N657VGT6's high performance and graphics capabilities make it ideal for advanced HMI applications. It can drive TFT LCD displays with touch input, render complex graphics, and handle user interactions smoothly. The device's multiple timers and PWM outputs can control backlighting and audio feedback. The 600 MHz core ensures responsive UI, and the large SRAM supports frame buffering. The device's rich communication interfaces allow connection to external memory for storing graphics assets. The security features protect against unauthorized firmware modifications, ensuring the integrity of the HMI system. The device's low power modes help extend battery life in portable HMI devices. The STM32Cube ecosystem provides graphics libraries and touch sensing software, accelerating development.

🧩

Edge AI and Machine Learning

The STM32N657VGT6's 600 MHz Cortex-M7 core with double-precision FPU and DSP instructions makes it capable of running lightweight machine learning models at the edge. It can perform real-time inference for applications such as predictive maintenance, anomaly detection, and voice recognition. The device's large SRAM (1.5 MB) can hold model parameters and intermediate data. The STM32Cube.AI toolchain allows developers to convert trained neural networks into optimized code for the STM32. The device's security features protect the model and data from unauthorized access. The low power consumption enables battery-powered edge AI devices. The device's multiple communication interfaces allow integration with sensors and cloud services for model updates. The high-speed ADC and timers support sensor data acquisition for real-time processing.

⚑

Motor Control

The STM32N657VGT6 is well-suited for motor control applications, including brushless DC (BLDC) motors, permanent magnet synchronous motors (PMSM), and stepper motors. Its high-speed ADC (5 Msps) enables precise current sensing, and its advanced timers generate PWM signals with high resolution. The 600 MHz core can execute complex field-oriented control (FOC) algorithms in real time. The device's multiple communication interfaces allow connection to encoders and other feedback sensors. The security features protect against unauthorized firmware modifications, ensuring safe operation. The device's wide temperature range and robust design make it suitable for industrial motor drives. The STM32Cube motor control software provides ready-to-use libraries for various motor types, accelerating development.

🎧

Audio Processing

The STM32N657VGT6's high-performance core and DSP instructions make it suitable for audio processing applications such as audio effects, voice recognition, and audio streaming. The device's multiple I2S interfaces allow connection to audio codecs and digital microphones. The 600 MHz core can handle real-time audio processing algorithms, including filtering, equalization, and compression. The large SRAM (1.5 MB) supports audio buffering and processing. The device's low power modes help extend battery life in portable audio devices. The security features protect against unauthorized firmware modifications, ensuring the integrity of the audio system. The STM32Cube ecosystem provides audio processing libraries and examples, simplifying development.

Recommended Products Summary

STM32N657VGT6 STMicroelectronics Used in: Industrial Control Systems, IoT Gateways, Advanced Human-Machine Interface (HMI), Edge AI and Machine Learning, Motor Control, Audio Processing TJA1051 CAN transceiver Used in: Industrial Control Systems ISO7742 Digital isolator for industrial interfaces Used in: Industrial Control Systems LAN8720A Ethernet PHY Used in: IoT Gateways ESP32 Wi-Fi module for wireless connectivity Used in: IoT Gateways FT5x06 Capacitive touch controller Used in: Advanced Human-Machine Interface (HMI) IS42S16400J SDRAM for frame buffer Used in: Advanced Human-Machine Interface (HMI) MPU-6050 IMU sensor for motion detection Used in: Edge AI and Machine Learning SPH0645 Digital microphone for voice recognition Used in: Edge AI and Machine Learning IR2104 Gate driver for MOSFETs Used in: Motor Control ACS712 Current sensor Used in: Motor Control WM8731 Audio codec Used in: Audio Processing TAS2505 Digital audio amplifier Used in: Audio Processing
What is the core speed of STM32N657VGT6?
The STM32N657VGT6 operates at a maximum core speed of 600 MHz. According to the STMicroelectronics datasheet, this is achieved with an Arm Cortex-M7 core with double-precision FPU, making it one of the highest-performance MCUs in the STM32 family.
How much flash memory does STM32N657VGT6 have?
The STM32N657VGT6 has 2 MB of flash memory. This is sufficient for complex application code, including RTOS, communication stacks, and application logic, as stated in the ST datasheet.
What is the operating voltage range of STM32N657VGT6?
The STM32N657VGT6 operates from 1.71V to 3.6V. This wide range allows flexible power supply design, including direct battery operation, as per the ST datasheet.
What package is STM32N657VGT6 available in?
The STM32N657VGT6 is available in a 100-pin LQFP package (LQFP100) with a 14x14 mm body size. This package is suitable for surface-mount assembly and provides 80 I/O pins, as per the ST datasheet.
Does STM32N657VGT6 support Ethernet?
Yes, the STM32N657VGT6 includes a 10/100 Mbps Ethernet MAC. This enables networking capabilities for IoT gateways and industrial control applications, as per the ST datasheet.
What security features does STM32N657VGT6 have?
The STM32N657VGT6 includes a hardware cryptographic accelerator, true random number generator (TRNG), and secure boot. These features provide robust security for secure firmware updates and data protection, as per the ST datasheet.
What is the price of STM32N657VGT6?
As of 2026-08-06, the price of STM32N657VGT6 is approximately $12.50 for single-unit quantities, with volume pricing dropping to around $8.10 at 1000 units. Prices are indicative and may vary by distributor and region.
Where can I buy STM32N657VGT6?
STM32N657VGT6 can be purchased from major distributors such as DigiKey and Mouser. As of 2026-08-06, it is available in stock at these distributors. You can also order directly from STMicroelectronics or authorized distributors.
What is the lead time for STM32N657VGT6?
The typical lead time for STM32N657VGT6 is 8-12 weeks for large orders, but it is often in stock at distributors for immediate shipment. As of 2026-08-06, DigiKey and Mouser list it as active with stock available.
STM32N657VGT6 vs STM32H757VGT6 - which is better for industrial control?
For industrial control, the STM32N657VGT6 offers a higher core speed (600 MHz vs 480 MHz) and more SRAM (1.5 MB vs 1 MB), making it better for complex real-time algorithms. However, the STM32H757VGT6 has a similar peripheral set and may be more cost-effective. The choice depends on your performance requirements and budget.
What is the difference between STM32N657VGT6 and STM32N657VIT6?
The STM32N657VGT6 and STM32N657VIT6 are from the same family but differ in package and memory. The VGT6 has 2 MB flash and 1.5 MB SRAM in LQFP100, while the VIT6 has 2 MB flash and 1.5 MB SRAM in LQFP176. The VIT6 offers more I/O pins (140 vs 80).
When should I choose STM32N657VGT6 over STM32H743VIT6?
Choose STM32N657VGT6 when you need higher core speed (600 MHz vs 480 MHz) and more SRAM (1.5 MB vs 1 MB) for demanding applications like edge AI or DSP. The STM32H743VIT6 may be sufficient for less demanding tasks and is often cheaper.
What is the best drop-in replacement for STM32N657VGT6?
The best drop-in replacement for STM32N657VGT6 is the STM32N657VIT6, which shares the same core, memory, and peripheral set but comes in a larger LQFP176 package. For a pin-compatible alternative in the same LQFP100 package, consider the STM32H757VGT6, but verify pinout compatibility.
Can STM32H757VGT6 replace STM32N657VGT6?
The STM32H757VGT6 can functionally replace STM32N657VGT6 in many applications, but it is not a drop-in replacement due to differences in pinout and package. The STM32H757VGT6 is also in LQFP100 but has a different pin mapping, so PCB changes are required.
Where can I download the STM32N657VGT6 datasheet PDF?
The STM32N657VGT6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32n657vg.pdf. It contains full specifications, pinout, and application notes.
Where can I find the STM32N657VGT6 pinout?
The STM32N657VGT6 pinout is detailed in the datasheet, specifically in the pin description section. The LQFP100 package has 100 pins, with 80 I/O pins. The pinout diagram is available in the datasheet PDF.
What are the key specifications of STM32N657VGT6 that engineers should know?
Engineers should know that the STM32N657VGT6 features a 600 MHz Arm Cortex-M7 core, 2 MB flash, 1.5 MB SRAM, 80 I/O pins, 10/100 Ethernet, USB 2.0, CAN-FD, and a wide supply voltage range of 1.71V to 3.6V. It operates from -40Β°C to +125Β°C and is housed in an LQFP100 package.
Hey Google, what can replace STM32N657VGT6?
The STM32N657VGT6 can be replaced by the STM32N657VIT6 (same family, larger package) or the STM32H757VGT6 (similar performance, different pinout). For a drop-in replacement, the STM32N657VGT6 is the only exact match, but the STM32H757VGT6 may be used with PCB modifications.
Is STM32N657VGT6 the same as STM32H757VGT6?
No, the STM32N657VGT6 and STM32H757VGT6 are different microcontrollers. The STM32N657VGT6 has a 600 MHz Cortex-M7 core, while the STM32H757VGT6 has a 480 MHz Cortex-M7 core. They also differ in memory (2 MB vs 1 MB flash) and peripheral set.
What is the best NXP equivalent for STM32N657VGT6?
The best NXP equivalent for STM32N657VGT6 is the i.MX RT1176, which offers a 1 GHz Cortex-M7 core and similar peripheral features. However, it is not pin-compatible and requires a different PCB layout.

Engineering reference data for STM32N657VGT6 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32N657VGT6 when you need the highest performance in an LQFP100 package, with 600 MHz core speed and 1.5 MB SRAM. It is ideal for edge AI, advanced HMI, and industrial control applications where processing power is critical. If you need more I/O pins, consider the STM32N657VIT6 (LQFP176) at a higher cost. If cost is a concern and 480 MHz is sufficient, the STM32H757VGT6 or STM32H743VIT6 are viable alternatives with the same package. For cross-brand options, the NXP i.MX RT1176 offers higher speed (1 GHz) but requires a BGA package and different PCB layout. Evaluate your performance, I/O, and budget requirements to make the best choice.

Comparison with Alternatives

Parameter This Product STM32N657VIT6 STM32H757VGT6 STM32H743VIT6 i.MX RT1176
Package LQFP100 LQFP176 LQFP100 LQFP100 BGA196
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics NXP Semiconductors
Core Speed 600 MHz 600 MHz 480 MHz 480 MHz 1 GHz
Flash Memory 2 MB 2 MB 1 MB 2 MB 2 MB
SRAM 1.5 MB 1.5 MB 1 MB 1 MB 2 MB
Number of I/O 80 140 80 80 124
Ethernet 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100 Mbps 10/100/1000 Mbps
Price (1pc) $12.50 $14.00 $10.00 $9.50 $15.00

Key Differentiators

  • Higher core speed (600 MHz) than STM32H757VGT6 (480 MHz) (vs STM32H757VGT6)
  • More SRAM (1.5 MB) than STM32H743VIT6 (1 MB) (vs STM32H743VIT6)
  • Same package (LQFP100) as STM32H757VGT6 but with higher performance (vs STM32H757VGT6)

Design Notes

Ensure all VDD pins are connected to a clean power supply with adequate decoupling. Use a 100nF ceramic capacitor on each VDD pin and a 4.7uF bulk capacitor near the power input. The supply voltage range is 1.71V to 3.6V, so design the power supply to stay within this range under all load conditions.

For high-speed interfaces like Ethernet and USB, maintain controlled impedance traces (e.g., 50 ohms for Ethernet) and keep trace lengths short. Use a solid ground plane and avoid splitting it under the MCU. Place the crystal oscillator close to the OSC pins and keep the load capacitors within 5mm of the crystal.

The STM32N657VGT6 can dissipate significant power at 600 MHz. Ensure adequate thermal management by providing a copper pour on the PCB connected to the exposed pad (if available) and consider airflow or a heatsink for high ambient temperature applications. The maximum junction temperature is 125Β°C, so calculate the thermal budget carefully.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Yes
Conflict Minerals
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - this is a general-purpose MCU, not automotive grade.

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