Технические характеристики
Производитель: STMicroelectronics
Device Type: Flagship high-performance ARM Cortex‑M7 microcontroller intended for complex embedded computing, high-speed signal processing, large-screen graphical interfaces, multi-axis motion control and edge embedded data processing
Electrical and Hardware Parameters
Processing core: ARM Cortex‑M7 core with double-precision floating-point unit, memory protection unit, 16KB instruction cache and 16KB data cache, maximum operating clock speed 480 MHz
Memory layout
Internal flash memory: 2 MB
Total SRAM: 1 MB split into multiple independent memory banks for concurrent high-speed access
Operating supply voltage range: 1.7 V to 3.6 V
Operating temperature range: -40 °C to +85 °C
Package specification: 100-pin LQFP surface mount package, 82 configurable general-purpose input/output pins
On-chip Integrated Peripherals
Analog peripherals
Three 12-bit high-speed ADC modules with multiple input channels, maximum conversion rate 3.6 MSPS
Two 12-bit DAC channels for adjustable analog voltage output
High-precision RTC calendar module with battery backup support
Timing and motion control peripherals
Rich assortment of advanced timers capable of high-resolution PWM waveform generation, quadrature encoder acquisition and precise timing tasks
Independent watchdog and window watchdog circuits for program runaway prevention
Communication interfaces
8 USART serial ports, 6 SPI buses, 4 I2C interfaces
Two CAN FD controllers, 10/100 Mbps Ethernet MAC controller
USB high-speed OTG dual-channel interface, SAI audio interface, SDMMC card controller
Multimedia and display peripherals
2D hardware graphics accelerator for fast image composition and rendering
Parallel TFT LCD display controller and MIPI DSI serial display interface
Hardware JPEG codec for image compression and decompression
External memory expansion
FMC memory controller compatible with SDRAM, NOR flash, NAND flash and parallel peripheral devices
Other functional modules
Multi-channel DMA controller for hardware autonomous data transmission
True random number generator, hardware CRC arithmetic unit, power supply monitoring circuit
Core Functional Characteristics
Ultra-high main frequency paired with cache architecture delivers exceptional computing performance, suitable for running complex digital filtering, inertial sensor fusion, image processing and multi-task real-time operating systems. Multi-partitioned SRAM eliminates data access conflicts between different modules, greatly improving system operating efficiency.
Multi-tier power management modes are configurable, allowing switching between full-performance operation, low-power sleep, stop and standby states to balance computing capability and power consumption demands for both continuously operated industrial equipment and battery-powered portable devices.
All analog and digital pins adopt enhanced anti-interference design with comprehensive ESD protection, adapting to harsh industrial electromagnetic environments and voltage fluctuations.
Complete system protection mechanisms include power-on reset, undervoltage lockout, power failure detection and memory read protection, effectively avoiding system crashes and firmware tampering.
Each chip has a fixed unique 96-bit identification code for product anti-counterfeiting, batch production management and encrypted firmware upgrade verification.
Abundant built-in peripherals reduce reliance on external auxiliary chips, simplify PCB layout and lower overall system hardware costs.
Типичные сценарии применения
Industrial large-size touch HMI human-machine interaction terminals
Multi-axis servo motion control systems and robotic arm main controllers
High-speed vibration, temperature and pressure data acquisition recording instruments
Medical precision diagnostic embedded equipment
Networked edge computing gateways and industrial data concentrators
Multimedia embedded display and industrial monitoring terminals
