H730/733 Duino

Arduino form factor and software compatible board with giant cortex-m7 at 550MHz.

Characteristics

• CPU Cortex-M7 at 550MHz.
• 128K/1 MB of internal flash (depending on the MCU version).
• 500 KB of internal RAM.
• 8 MB of external QSPI PSRAM at 133MHz SDR.
• 16/32/128 MB of external QSPI Flash at 133MHz SDR.
• 10/100Mb Ethernet.
• USB 2.0 OTG Type-C with power switch control.
• USB CMSIS-DAP Debugger.
• micro SD Card slot.
• Arduino Due/Mega compatible pin headers (3.3V IO, 5V tolerant on some pins).
• Arduino API compatible (via STM32Duino project).
• Micropython support.
• Protected power inputs with ideal diodes and DC-DC converter

Capabilities and applications

Some interesting CPU capabilities are listed below:

• Hard real time capable CPU with predictable execution using tightly coupled memory for instruction and data.
• High speed and precision PWM suitable for motor control (BLDC, Stepper, DC).
• High resolution timing measure in capture mode for some pins.
• Arbitrary waveform generation in any GPIO using DMA without CPU intervention.
• High speed DACs suitable to generate analog signals up to 18MHz.
• Tow high speed 12 bits ADC suitable to capture up to 5MSPS in any channel.
• One high speed 16 bits ADC suitable to capture up to 7.5MSPSP
• Internal RAM with multiple block partitions enabling multiple peripheral access at same time without contention.
• External high density RAM up to 8 MB connected across 133MHz QSPI bus accessible in memory mapped mode or block device mode with on the fly encryption/decryption.
• External high density FLASH up to 16 MB connected across 133MHz QSPI bus accessible in memory mapped mode or block device mode with on the fly encryption/decryption.
• Multiplexed parallel memory controller for LCD and TFT access
• LCD interface with 666, 565 and 888 RGB with hsync/vsync and pixel clk (max 150MHz)
• Parallel capture port at 110MHz
• Parallel signal generation at 50MHz

These capabilities enable multiple interesting applications:

• High precision CNC and 3D printing.
• Signal generator and data acquisition system
• Human machine interface enabled terminal with USB, CAN and Ethernet support
• High speed logic analyzer.
• Programmable instrumentation system.
• Network laboratory instrument.