SMSC USB2224 is a USB2.0 flash media controller that supports SmartMedia™, xD Picture Card™, Memory Stick™, High Speed Memory Stick™, Memory Stick PRO™, MS Duo™, Secure Digital™, Mini-Secure Digital™, Transflash™, MultiMediaCard™, Reduced Size Multimedia Card™, NAND Flash, Compact Flash™, CF Ultra™ I & II, CF form-factor ATA hard drives.
The SMSC USB2224 is a single-chip solution designed to interface popular flash memory cards, including CompactFlash, SmartMedia, xD Picture Card, Memory Stick, Secure Digital, and MultiMediaCard, to the USB2.0 bus. It functions as a USB2.0 Bulk Only Mass Storage Class Peripheral Controller, providing a complete system solution for these storage devices.
The device incorporates a USB2.0 PHY and SIE, buffers, an 8051 microprocessor, and specific controllers for CF, MS, SM, and SD cards. It supports bus-powered operation and includes features such as on-chip firmware for reading and writing High Speed Memory Stick and MS PRO, as well as hardware 1-bit ECC correction.
| USB Standard | USB2.0 |
|---|---|
| Power Operation | Bus Powered |
| Microprocessor | 8051 8 bit |
| MCU Clock Speed | 30 Mhz |
| Internal SRAM | 12K Bytes |
| Program SRAM | 768 Bytes |
| Package Type | 128 Pin TQFP |
| I/O Voltage | 3.3 Volt |
It supports CompactFlash, SmartMedia, xD Picture Card, Memory Stick, Secure Digital, and MultiMediaCard.
Yes, it is USB Bus Power Certified and supports bus powered operation.
The execution speed is 30 Mhz.