Seiko Epson Corp. (Epson) is developing sample Windows CE 6.0 drivers for its S1R72V family of high-speed USB2.0-compatible controller chips. The first such driver, for the S1R72V17 controller chip, is now available, the company says.The S1R72V17 is a low-power USB2.0 interface controller that implements both host and device functions. The device supports USB2.0 data transfer rates of "HS" (480 Mbps), "FS" (12 Mbps), and "LS" (1.5 Mbps), for both host and device function operation, according to Epson.This sample driver is unique in that it can be connected to a mouse, keyboard, hub, and to storage equipment in order to effortlessly set up a development environment on a CEPC device, eliminating the need to establish a specialized development platform environment. By launching this new sample driver for Windows(R) Embedded CE 6.0, Epson has further expanded its lineup of sample drivers for USB controller LSI products in an effort to support customers in their development activities.
Key features of the driver, as listed by Epson, include:
1) USB2.0 host functions
- Supports HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) transfer rates
- Supports control, bulk, and interrupt transfer
- Compatible with CEPC PCI bus
- Compatible with test mode
- Supports multichannel
- Supports mass storage class
- Supports hubs (compatible with multistage connection)
- Supports HID
- Supports CDC
2) USB2.0 device functions
- Supports HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) transfer rates
- Supports control, bulk, interrupt, and isochronous transfer
- Supports Endpoint 0 in addition to five general Endpoints (for bulk/interrupt/isochronous transfer)
- Compatible with CEPC PCI bus
- Compatible with test mode
- Supports serial class (ActiveSync can be used)
- Supports mass storage class
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