This is the user manual for the GHI Electronics ALFAT SoC Processor, a high-performance FAT file system SoC processor with dual USB Host interfaces and 4-bit SD interface. Controlled through UART, SPI or I2C.
The GHI Electronics ALFAT SoC Processor is a high-performance ARM Cortex-M3 device featuring an integrated FAT file system engine. It supports dual USB Host interfaces (Full Speed and High Speed with ULPI PHY) and a 4-bit SD interface, allowing simultaneous access to two USB mass storage devices and one memory card.
| Processor Core | ARM Cortex-M3 |
|---|---|
| File Systems Supported | FAT16 and FAT32 |
| USB Interfaces | Dual USB 2.0 Host (FS/HS) |
| SD Interface | 4-bit SD interface |
| Max File Access Speed (SD) | Up to 4000 KBytes/sec |
| Power Supply | Single 3.3V power source |
| Operating Temperature | -40°C to +85°C |
The processor is controlled through UART, SPI or I2C interfaces.
The processor supports up to 8 simultaneous file access.