This is a user manual for ALFAT SoC processor, including processor concept, pin-out, specifications, commands, hardware integration guide and etc.
The GHI Electronics ALFAT SoC Processor is a high-performance System on Chip designed to provide a FAT file system solution for embedded systems. It features dual USB Host interfaces and a 4-bit SD interface, allowing access to storage media such as SD cards, SDHC cards, MMC cards, and USB mass storage devices simultaneously. The processor is controlled via simple UART, SPI, or I2C interfaces using human-readable ASCII commands.
| Processor Core | ARM Cortex-M3 |
|---|---|
| File Systems | FAT16 and FAT32 |
| USB Interfaces | Dual USB Host |
| SD Interface | 4-bit |
| Max File Access Speed (SD) | 4000 KBytes/sec |
| Max File Access Speed (USB HS) | 4000 KBytes/sec |
| Max File Access Speed (USB FS) | 1000 KBytes/sec |
| Operating Temperature | -40°C to +85°C |
| Power Consumption (Hibernate) | 5mA |
| Power Consumption (Operational) | 38mA |
| Package Type | LQFP 64 pin |
| Power Source | Single 3.3V |
The ALFAT processor can be controlled through UART, SPI, or I2C interfaces.
Yes, the ALFAT processor supports LFN and is licensed by Microsoft for commercial use.
The maximum file access speed on SD cards is up to 4000 KBytes/sec.
The ALFAT processor is capable of accessing two USB mass storage devices simultaneously.