STMicroelectronics STM32H563IIK6

Overview

STM32H563IIK6 from STMicroelectronics is a high-security, high-performance Arm® Cortex®-M33 32-bit microcontroller with TrustZone®, FPU, and math accelerators (CORDIC, FMAC), operating at up to 250 MHz (375 DMIPS), featuring 2 Mbyte flash with ECC, 640 Kbyte SRAM (including ECC-protected SRAM2/SRAM3), and dual DMA controllers. It targets secure industrial control, IoT edge nodes, and automotive body electronics requiring real-time processing, cryptographic integrity, and low-power operation.

For engineers reviewing the STM32H563IIK6 datasheet, STM32H563IIK6 pinout, STM32H563IIK6 application, or STM32H563IIK6 equivalent, key selection considerations include TrustZone-enforced peripheral isolation, 250 MHz deterministic execution with ART cache, dual 12-bit ADCs (5 Msps), FDCAN/USB Type-C®/Ethernet MAC interfaces, and UFBGA176+25 (10 × 10 mm) package compatibility with high I/O density and 5 V-tolerant GPIOs.

Technical Context

The STM32H563IIK6 implements Armv8-M mainline security with configurable SAU regions, enabling hardware-enforced separation of secure/non-secure firmware execution. Its dual-bank flash supports read-while-write with ECC, while SRAM3 offers flexible ECC configuration for critical data buffers.

It integrates two math accelerators: CORDIC for real-time trigonometric computation and FMAC for FIR/IIR filter acceleration-both accessible via dedicated instruction sets without CPU intervention. The dual GPDMA controllers support concurrent memory-to-peripheral transfers across 34 communication interfaces, including two FDCANs, six SPIs, and Octo-SPI for serial PSRAM/NOR.

Key Specifications

Pinout & Package

STM32H563IIK6 is housed in a UFBGA176+25 package (10 × 10 mm, 0.65 mm pitch), optimized for high-density PCB layouts with dedicated ground ball array for EMI suppression and signal integrity. The package supports 140 user I/Os, including 10 low-voltage I/Os (1.08 V min supply) and multiple power/ground pins distributed for stable core and analog domain decoupling.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-security MCU applications.

Compared with STM32H563IIK6, the STM32H753IIK6 trades TrustZone and math accelerators for higher clock speed and simpler security model, while the i.MX RT1176AVM8B offers asymmetric dual-core performance at the cost of increased complexity and package size-neither matches the integrated TrustZone+FPU+CORDIC+FMAC combination in a 10 × 10 mm UFBGA.

Availability

STM32H563IIK6 is available at Aetrix Electronics and suitable for industrial automation, secure IoT gateways, and automotive body electronics requiring stable component supply, long-term lifecycle assurance, and full traceability through ST's qualified manufacturing lines.

Supply support for STM32H563IIK6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, sensors, and automotive ICs with over 40 years of industrial-grade reliability.

The STM32H5 series is designed for applications demanding certified security (PSA Level 3), real-time determinism, and energy efficiency-targeting industrial control, smart infrastructure, and automotive subsystems where functional safety and firmware integrity are mandatory.

FAQ

What is the maximum operating frequency and associated DMIPS rating?

The STM32H563IIK6 operates at up to 250 MHz with an Arm Cortex-M33 core, achieving 375 DMIPS (Dhrystone 2.1) and 1023 CoreMark® (4.092 CoreMark®/MHz). This performance is sustained with zero-wait-state execution enabled by the 8-Kbyte instruction cache (ART Accelerator) and verified across industrial temperature ranges (-40°C to +105°C).

Does STM32H563IIK6 support secure firmware updates out-of-the-box?

Yes-it includes hardware-accelerated Secure Firmware Installation (SFI) with ECDSA-P256 signature verification, True Random Number Generator (NIST SP800-90B compliant), and immutable secure boot ROM. Updates must be signed with the manufacturer's private key or a customer-provisioned key stored in OTP memory.

Which package variant does STM32H563IIK6 use, and what are its board-level advantages?

STM32H563IIK6 uses the UFBGA176+25 package (10 × 10 mm, 0.65 mm pitch), featuring 176 signal balls plus 25 dedicated ground balls arranged in a perimeter-and-center grid. This layout reduces ground bounce, improves EMI immunity, and allows high-density routing with minimal vias-critical for mixed-signal designs with Ethernet and USB-C interfaces.

How does the dual-bank flash architecture enable robust field updates?

The 2 Mbyte flash is split into two independently erasable banks, supporting Read-While-Write (RWW) operation. While executing code from Bank 1, Bank 2 can be erased and reprogrammed-enabling seamless firmware updates without system interruption. Each bank supports ECC correction and write protection via option bytes, preventing corruption during power loss.