المواصفات
الشركة المصنعة: STMicroelectronics
Device Type: High-end high-performance 32-bit ARM Cortex-M7 microcontroller designed for complex embedded computing, graphic human-machine interaction, high-speed data acquisition and multimedia embedded systems
Electrical and Hardware Specifications
Processing Core: ARM Cortex-M7 core with double-precision floating-point arithmetic unit, memory protection unit, L1 instruction cache and data cache, maximum operating frequency 216 MHz
Memory Configuration
Internal Flash memory: 2 MB
Total SRAM capacity: 512 KB, divided into multiple independent memory partitions for high-speed concurrent access
Operating supply voltage range: 1.7 V ~ 3.6 V
Operating ambient temperature range: -40 °C to +85 °C
Package specification: 176-pin LQFP surface mount package, 140 configurable general-purpose GPIO pins
Integrated On-Chip Peripherals
الوحدات التناظرية
Three 12-bit multi-channel ADC units with up to 24 analog input channels, peak conversion speed 3.6 MSPS
Two independent 12-bit DAC channels for adjustable analog voltage output
High-precision RTC calendar module supporting coin cell backup power supply
Timing & Motion Control Peripherals
Multiple advanced high-precision timers for multi-channel high-resolution PWM generation, encoder position reading and pulse sequence output
Independent watchdog and window watchdog circuits to prevent program runaway
Communication Interfaces
8 USART/UART asynchronous serial ports, 6 SPI synchronous buses, 4 I2C two-wire interfaces
Two CAN 2.0B controllers, Ethernet 10/100 Mbps MAC controller
USB HS+FS dual-channel OTG interface, SAI professional audio interface
SDMMC card controller for high-capacity storage card reading and writing
Multimedia & Display Peripherals
2D hardware graphics accelerator for image rendering and layer overlay
TFT-LCD parallel display controller supporting large-size color screens
MIPI DSI serial display interface
Hardware JPEG image compression and decompression codec engine
Other Auxiliary Modules
Multi-layer DMA bus architecture to realize fully autonomous data transmission without CPU occupation
True random number generator, hardware CRC calculation unit
FMC external memory controller supporting SDRAM, NOR Flash, NAND Flash expansion
Core Functional Advantages
The Cortex-M7 core with dual-precision FPU and built-in cache delivers powerful computing performance, capable of running complex sensor fusion algorithms, graphic rendering, digital signal filtering and high-speed data processing tasks smoothly.
Built-in ART adaptive memory accelerator and hierarchical cache structure completely eliminate Flash access delay, maintaining stable full-speed operation under the maximum clock frequency.
Complete multi-level power management system covers high-performance running mode, sleep mode, stop mode and deep standby mode, which can flexibly switch power consumption levels according to working scenarios.
Enhanced electromagnetic interference resistance design for all digital and analog pins, equipped with complete electrostatic and surge protection, suitable for industrial control and high-noise working environments.
Comprehensive hardware security mechanisms include memory read protection, area permission isolation, power supply monitoring and abnormal voltage protection to avoid system crash caused by power fluctuation.
Exclusive 96-bit unique chip ID is solidified inside each device, convenient for firmware encryption authorization, product batch production management and anti-counterfeiting design.
سيناريوهات التطبيق النموذجية
Industrial touch screen human-machine interface terminals
High-precision portable analytical testing instruments
Multimedia playback embedded equipment and industrial recording terminals
High-speed data acquisition loggers and vibration monitoring devices
Multi-axis servo motion control main controllers
Networked intelligent gateway and edge data processing nodes
