STMicroelectronics STM32N657I0H3Q

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32N6
Packaging Tray | NULL
Core Processor ARM® Cortex®-M55
Core Size 32-Bit
Speed 800MHz
Connectivity CANbus, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, SAI, SPDIF, SPI, UART/USART, USB
Peripherals AES, Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, TRNG, WDT
Number of I/O 106
Program Memory Size -
Program Memory Type ROMless
EEPROM Size -
RAM Size 4.2M x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 20x12b SAR
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 178-VFBGA (12x12)
Package / Case 178-VFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM32N657 is a high-performance MCU featuring an ARM Cortex-M55 core at 800MHz. With 4.2MB RAM and advanced security features like AES and TRNG, it targets edge AI and graphics applications. The 178-VFBGA package provides excellent thermal performance. Its 1.71V-3.6V supply range supports low-power designs.

  • Exceptional performance: 800MHz Cortex-M55 with Helium technology for DSP and AI workloads.
  • Large RAM: 4.2MB enables complex applications without external memory.
  • Advanced security: AES, TRNG, and brown-out detection protect against threats.
  • Rich peripherals: LCD, I2S, PWM, and DMA support diverse applications.

Edge AI Inference

The 800MHz Cortex-M55 with Helium technology accelerates neural network inference for real-time object detection in smart cameras.

High-End Audio Processing

I2S and DMA enable multi-channel audio streaming. The 4.2MB RAM buffers large audio samples for studio-grade effects.

Industrial HMI Displays

LCD controller drives high-resolution touchscreens. The Cortex-M55 core renders graphics with smooth 60fps performance.

Smart Grid Protection Relays

TRNG generates secure keys for encrypted communication. Brown-out detection ensures reliable operation during power transients.

Robotics Vision Systems

The 800MHz core processes camera feeds for navigation. AES encryption secures data transmission between robot components.

Medical Imaging Devices

High-speed processing enables real-time ultrasound image reconstruction. The 178-VFBGA package fits compact diagnostic equipment.

Q: What core does the STM32N657I0H3Q use?
A: It uses an ARM Cortex-M55 core running at 800MHz.
Q: How much RAM does it have?
A: It has 4.2MB of RAM.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: What security features are included?
A: It includes AES, TRNG, and brown-out detection.
Base Product Number : STM32N657
178-VFBGA 32-bit MCU 4.2MB RAM 800MHz AES ARM Cortex-M55 DMA edge AI HMI I2S LCD medical PWM robotics STM32N657 TRNG
Q: What core does the STM32N657I0H3Q use?
A: It uses an ARM Cortex-M55 core running at 800MHz.
Q: How much RAM does it have?
A: It has 4.2MB of RAM.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V.
Q: What security features are included?
A: It includes AES, TRNG, and brown-out detection.