STM32H523CET6

STM32H523CET6 is a member of STMicroelectronics’ STM32H5 high‑performance microcontroller family. It uses the Arm Cortex‑M33 core, with TrustZone‑M security and optional floating‑point unit, delivering strong performance with security and power efficiency for embedded applications.
Key points:
- Core and security: Cortex‑M33 with TrustZone‑M; hardware cryptography accelerators and RNG for secure, protected firmware.
- Memory and buses: configurable flash and SRAM; supports flexible memory architectures to suit different applications.
- Peripherals: rich mix of interfaces (USB, CAN, SPI/I2S, I2C, UART/LPUART), multiple timers and PWM channels, ADCs, DACs, and DMA for efficient data handling.
- Power and safety: multiple low‑power modes and safety/reliability features typical of STM32H5 devices.
- Development: supported by STM32CubeMX/CubeIDE, HAL/LL libraries, and ST‑Link for debugging and programming.
- Packages: available in several package options, including high‑pin‑count variants to fit space and I/O needs.
Ideal for industrial, motor control, consumer electronics, audio, and safety‑critical apps needing performance plus security. For exact clock speeds, memory sizes, and package options, consult the official datasheet.

There isn’t an exact external cross‑reference for STM32H523CET6. The closest matches are other STM32H5 parts using the same CET6 package with similar memory/core. Within ST, a pin/package-compatible option is STM32H525CET6 (same CET6 family, similar flash/RAM). For precise cross‑vendor substitutions, use ST’s Product Selector or cross-reference tools (DigiKey/Mouser) and filter by package CET6 and memory.

STM32H523CET6 is part of ST’s STM32H5 family. Key features:
- Core: Arm Cortex‑M33 with DSP instructions, single-precision FPU and TrustZone-M security.
- Performance: high efficiency up to hundreds of MHz (speed is SKU-dependent).
- Memory: on‑chip Flash and RAM sizes vary by part; H523CET6 provides mid‑to‑high capacity for the family.
- Security: hardware cryptographic accelerators (AES/DES, SHA), true RNG, secure boot, MPU/TrustZone isolation.
- Peripherals: USB (FS/HS), CAN FD, multiple UARTs/SPI/I2C, SDMMC, I2S, ADCs (12‑bit) and DAC, diverse timers (general and advanced/motor-control), LCD‑TFT controller.
- DMA and connectivity: multiple DMA channels; support for external memory interfaces.
- Power: multiple low‑power modes with fast wakeup.
- Tools: supported by STM32CubeMX/HAL/LL libraries and standard SWD/JTAG debug.
Note: exact memory sizes, pin count, and some peripheral availability vary by SKU; consult the specific datasheet for H523CET6 for precise specs.

- Pin count: 100 pins (LQFP-100 package, suffix CET6)
- Function: 32‑bit ARM Cortex‑M33 microcontroller (STM32H5 family) for high‑performance embedded applications.

- Manufacturer: STMicroelectronics (ST).
- What kind of company: A global multinational semiconductor and electronics company. HQ in Geneva, Switzerland; formed in 1987 from the merger of France’s Thomson Semiconducteurs and Italy’s SGS Microelettronica. It designs and manufactures microcontrollers (including STM32), MEMS sensors, analog devices, and other semiconductor products.

- Industrial automation and motor control (BLDC/PMSM drives, servo, CNC)
- Power electronics and digital power management (inverters, DC-DC converters, chargers)
- Energy metering, smart grid and energy-management devices
- Medical and portable health devices (monitors, handheld instruments)
- Consumer, portable and smart‑home devices with rich HMI
- IoT edge devices and gateways (sensors, edge processing, secure connectivity)
- Secure applications (secure boot, cryptography, data protection, TLS)
- Sensor data processing, audio/voice processing and human–machine interfaces

LQFP-100: 100-pin Quad Flat Package (14 mm × 14 mm).