IP Library Granted Patent US 6,901,471
Granted Patent B2
US 6,901,471 · App. 09/797,471 · Granted May 31, 2005

Transceiver macrocell architecture allowing upstream and downstream operation

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Quick Facts
Patent No.
US 6,901,471
App. No.
09/797,471
Granted
May 31, 2005
Kind
B2
Abstract

A system wherein a signal over a Universal Serial Bus (USB) interface is received by a receiver component. A mixed signal block utilizes a mixed signal interface to transmit the signal to a processor block.

Claims (26)

1. A method of connecting a Universal Transceiver Macrocell Interface (UTMI) macrocell to a plurality of peripheral devices, the UTMI macrocell including a mixed signal block and a digital block, the mixed signal block including a Universal Serial Bus (USB) interface, and the digital block including a UTMI interface, the method comprising:

providing a mixed signal interface to connect the mixed signal block and the digital block;

providing a first connection to the peripheral devices via a hub controller connected to the UTMI interface; and

providing a second connection to the peripheral devices via a hub repeater connected to the mixed signal interface, wherein the second connection bypasses the hub controller.

2. A hub system for providing connection to a plurality of peripheral devices, the hub system comprising:

a Universal Transceiver Macrocell Interface (UTMI) macrocell including:

a mixed signal block including a Universal Serial Bus (USE) interface;

a digital block including a UTMI interface; and

a mixed signal interface connecting the mixed signal block and the digital block;

a hub controller connected to the USB interface;

a hub device including:

a transaction translator connected to the hub controller; and

a hub repeater connected to the mixed signal interface and operatively coupled to the transaction translator; and

a plurality of ports connected to the hub repeater, wherein the plurality of ports can be coupled to the plurality of peripheral devices.

3. A method of connecting a Universal Transceiver Macrocell Interface (UTMI) macrocell to a plurality of host controllers, the UTMI macrocell including a mixed signal block and a digital block, the method comprising:

providing a mixed signal interface to connect the mixed signal block and the digital block;

providing a first UTMI connection to a first host controller used in a first speed operational mode; and

providing a second UTMI connection to a second host controller used in a second speed operational mode,

wherein the UTMI macrocell can determine whether the first host controller or the second host controller is to be used.

4. A host system for providing connection to a plurality of host controllers, the host system comprising:

a Universal Transceiver Macrocell Interface (UTMI) macrocell including:

a mixed signal block including a Universal Serial Bus (USB) interface;

a digital block including a UTMI interface; and

a mixed signal interface connecting the mixed signal block and the digital block;

a first UTMI interface for connecting the UTMI macrocell to a first host controller; and

a second UTMI interface for connecting the UTMI macrocell to a second host controller.