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STM32H503CBU7TR

STM32H503CBU7TR

STMicroelectronics
ARM® Cortex®-M33F STM32H5 Microcontroller IC 32-Bit 250MHz 128KB (128K x 8) FLASH 48-UFQFPN (7x7)
Active7,496 in stock
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Overview

The STM32H503CBU7TR is a high-performance 32-bit microcontroller based on the Arm Cortex-M33 core with a floating-point unit (FPU), operating at frequencies up to 250 MHz. This MCU integrates 128 KB of Flash memory and 32 KB of SRAM, offering a balanced feature set for advanced embedded applications requiring fast processing in a compact 48-UFQFPN package.

Why Choose This Part

This MCU provides a significant performance boost over standard Cortex-M4 designs, featuring a 250 MHz clock speed and an 8-Kbyte instruction cache. It includes high-reliability features like ECC on both Flash and SRAM, ensuring data integrity in critical applications, and offers a versatile supply range from 1.71V to 3.6V.

Applications

Industrial Sensor Gateways
High-speed processing and FDCAN support allow for real-time data aggregation and communication in factory environments.
Secure IoT Endpoints
Utilizes the Arm TrustZone architecture and integrated SHA/TRNG peripherals to implement robust security for connected devices.
Motor Control Feedback
High-speed 12-bit SAR ADCs and advanced timers enable precise control loops for brushless DC motor applications.
Portable Medical Devices
Low power modes combined with high-performance DSP instructions facilitate complex signal processing in battery-operated equipment.

Key Specifications

Speed 250MHz
RAM Size 32K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, PDR, POR, PWM, SHA, TRNG, Voltage Detect, WDT
Connectivity CANbus, FIFO, I2C, IrDA, LINbus, SCI, SDIO, SMBus, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 35
Core Processor ARM Cortex-M33F
Package / Case 48-UFQFN Exposed Pad
Data Converters A/D 10x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 48-UFQFPN (7x7)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V

Getting Started

Development is streamlined using the STM32CubeH5 ecosystem, which includes the STM32CubeMX initialization tool and the STM32CubeIDE. For hardware evaluation, the NUCLEO-H503RB board provides a compatible prototyping platform with access to the chip peripherals and an integrated ST-LINK debugger.

Dev Boards

Development boards and breakout modules featuring the STM32H503CBU7TR or compatible chips — ready to use for prototyping.

NUCLEO-H563ZI STMicroelectronics
STM32H563ZI Nucleo-144 STM32H5 ARM® Cortex®-M33 MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 2,408 in stock
STM32H573I-DK STMicroelectronics
STM32H573II Discovery STM32H5 ARM® Cortex®-M33 MCU 32-Bit Embedded Evaluation Board
Digi-Key 394 in stock
NUCLEO-H533RE STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-64 development board STM32H533RET6 MCU, supports Arduino and morpho
Mouser 773 in stock
Part of STM32H5 family » STM32H503

STM32H503 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Core Processor Package ADC/DAC Temp Range Stock
STM32H503CBU7TR (this part) Tape & Reel 35 ARM Cortex-M33F UFQFN-48 A/D 10x12b SAR; D/.. -40degC ~ 105degC .. 7,496
STM32H503KBU6 24 ARM Cortex-M33 UFQFN-32 A/D 10x12b SAR; D/.. -40degC ~ 85degC (.. 1,704
STM32H503RBT6 49 ARM Cortex-M33 LQFP-64 A/D 16x12b SAR; D/.. -40degC ~ 85degC (.. 1,449
Also available as: STM32H503CBT6

Categories

Microcontrollers > ARM Cortex-M3