Method and apparatus for universal serial bus (USB) physical layer

Method and apparatus for universal serial bus (USB) physical layer

The present invention relates to a method and apparatus universal serial bus (USB) physical layer. An UTM interface control logic receives a transmit data packet of USB 2.0 transceiver macrocell interface (UTMI). A transmit first-in first-out (FIFO) unit receives the transmit data packet output from...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAI JENN-SHIANG, CHENG FRED, HU JINGYU, LUO ZHIHUI, OO AUNG M, CHIANG CHEN-MIN, LIN SAN
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:The present invention relates to a method and apparatus universal serial bus (USB) physical layer. An UTM interface control logic receives a transmit data packet of USB 2.0 transceiver macrocell interface (UTMI). A transmit first-in first-out (FIFO) unit receives the transmit data packet output from the UTM interface control logic. A transmit unit receives the transmit data packet output from the transmit FIFO. An analog front-end (AFE) receives the transmitted data packet output of the transmit unit. A receive unit receives a receive data packet output from the AFE. A receive FIFO receives the receive data packet output from the receive unit and connected to the UTM interface control logic, whereby the receive data packet is output to the USB 2.0 transceiver macrocell interface.