DescriptionGL800HT25 is a high performance USB 2.0 Transceiver compliant with the UTMI (USB 2.0 TransceiverMacrocell Interface) Specification proposed by Intel. The UTMI specification defines a standard interface to USB 2.0 high-speed transceivers that enables common design across prototype and pr...
GL800HT25: DescriptionGL800HT25 is a high performance USB 2.0 Transceiver compliant with the UTMI (USB 2.0 TransceiverMacrocell Interface) Specification proposed by Intel. The UTMI specification defines a stan...
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GL800HT25 is a high performance USB 2.0 Transceiver compliant with the UTMI (USB 2.0 Transceiver
Macrocell Interface) Specification proposed by Intel. The UTMI specification defines a standard interface to USB 2.0 high-speed transceivers that enables common design across prototype and production
implementations.
The GL800HT25 integrates high-speed, mixed-signal circuitry to serve as the interface between the high
performance USB serial bus and the 16-bit SIE bus. The transceiver is controlled by input signals from the SIE bus, which is synchronized with the 30MHz clock output. The UTMI transceiver handles the low level USB protocol and signaling. GL800HT25 includes features such as: data serialization and deserialization, bit stuffing and clock recovery and synchronization. The primary focus of the UTMI transceiver is to shift the clock domain of the data from the USB 2.0 rate to one that is compatible with the general logic.
To eliminate the difficult high-speed, mixed-signal USB 2.0 logic design for system and peripheral developers, the GL800HT25 with standard UTMI and 40X improvement in data rate can be easily adapted for implementation of USB 2.0 high speed compliant design of widely applications, including scanners, printers, portable storage, external CD-ROM / CD-RW / DVD-ROM, flash card readers, and PC cameras. The IP block now is certified and available on the 0.35m UMC standard CMOS process; and GL800HT25 is also scheduled for 0.25m TSMC standard CMOS process in 3Q' 02.