STMicroelectronics / TECHNICAL REFERENCE

STM32N657X0

STM32N6 microcontroller integrating Cortex-M55 and Neural-ART acceleration.

FPGA.io Part Number FIO-C4570648EEC560ABInternal catalogue reference · manufacturer MPN remains unchanged

Technical reference · Base device — ordering suffix not specified · Checked 2026-09-28

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STM32N657X0 — technical feature overview — Technical schematicFPGA.io technical schematic for STM32N657X0. Values summarize the documented fields below; consult their source conditions. This is an abstract diagram, not a product photograph, package drawing or pinout. Parameter sources below ↓

DOCUMENTED FACTS

Technical parameters

5 source-linked fields

Values apply to the device and conditions identified in each source. Family maxima, package limits and full ordering-code specifications must not be treated as interchangeable.

Parameter	Documented value	Source & conditions
CPU	Arm Cortex-M55	STM32N657X0 official product reference ↗Product overview / Description / All features
Maximum CPU clock	800 MHz	STM32N657X0 official product reference ↗Product overview / Description / All features
Contiguous SRAM	4.2 MB	STM32N657X0 official product reference ↗Product overview / Description / All features
Neural-ART clock, up to	1 GHz	STM32N657X0 official product reference ↗Product overview / Description / All features
Advertised Neural-ART throughput	600 GOPS	STM32N657X0 official product reference ↗Product overview / Description / All features

Official documents

STM32N657X0 official product referenceProduct overview / Description / All featuresWeb ↗

Ordering and board constraints

This reference identifies a base device. Package, speed grade, temperature, qualification and packing suffixes have not been inferred.

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Series & categories

High-performance STM32 MCUs →STM32N6 →

COMPLETE PART IDENTITIES

Ordering numbers for STM32N657X0

2 documented codes

These references belong to this device. Evidence labels distinguish reviewed specifications, public listings and manufacturer coding examples. Counts describe this site’s documented coverage, not stock or all configurations offered by the manufacturer.

Full ordering number	Package	Speed / temperature	Evidence	Next step
STM32N657X0H3	Not verified	Not verifiedNot verified	Manufacturer-listed codeView source ↗	Device details →Request quotation
STM32N657X0H3Q	Not verified	Not verifiedNot verified	Manufacturer-listed codeView source ↗	Device details →Request quotation

2 of 2 codes shown

Not verified means that parameter has not been independently established for this exact code. A code example is not confirmation that a configuration can be ordered today.