The ST72681 USB 2.0 high-speed Flash drive controller is an embedded MCU with a USB 2.0 interface that supports USB 2.0 high and full speed and supports 2KB page NAND Flash devices.
The ST72681 is a USB 2.0 high-speed Flash drive controller designed to support mass storage device class. It features an integrated USB 2.0 PHY supporting both high speed and full speed, along with a mass storage controller interface (MSCI). The device supports up to four NAND Flash devices per channel and includes on-the-fly Reed-Solomon encoder/decoder for error correction.
The controller incorporates an embedded ST7 8-bit MCU and an internal voltage regulator operating between 3.3 V and 1.8 V. It supports various NAND Flash manufacturers including Numonyx, Hynix, Samsung, Toshiba, Micron, and Renesas, with read speeds up to 12 MB/s and write speeds up to 8 MB/s in single channel mode.
| USB Interface | USB 2.0 high speed |
|---|---|
| NAND Flash Support | up to 4 devices per channel |
| Read Speed | 12 MB/s |
| Write Speed | 8 MB/s |
| Operating Voltage | 3.0 to 3.6 V |
| Operating Temperature | 0 to +70°C |
| Error Correction | Reed-Solomon encoder/decoder |
The ST72681 supports NAND Flash devices from Numonyx, Hynix, Samsung, Toshiba, Micron, and Renesas.
The device supports up to four NAND Flash devices per channel.
No, the document states it is not recommended for new designs.