Configurable two-wire interface module
First Claim
Patent Images
1. An optical transceiver, the optical transceiver including:
- a laser driver;
a post-amplifier; and
a digital core component, wherein the digital core component includes;
a register array component, wherein the register array component is configured to store one or more control values which control the laser driver and post-amplifier;
a slave component, wherein the slave component is configured to read data from and write data to the register array component; and
a boot component, wherein the boot component includes;
a two-wire interface module, the two-wire interface module including;
a first two-wire interface, wherein the first two-wire interface is configured to transmit data to and receive data from the slave component; and
wherein the first two-wire interface includes;
a first interface wire; and
a second interface wire;
a second two-wire interface, wherein the second two-wire interface is configured to transmit data to and receive data from an external control source; and
wherein the second two-wire interface includes;
a third interface wire; and
a fourth interface wire;
a configuration input; and
a logic component configured to;
communicate over the first two-wire interface with the slave component using a first two-wire interface protocol;
communicate over the second two-wire interface using a first two-wire interface protocol when the configuration input receives a first input signal correlating to the first two-wire interface protocol;
communicate over the second two-wire interface using the second two-wire interface protocol when the configuration input receives a second input signal correlating to the second two-wire interface protocol,wherein the slave component includes a FSB slave component and the first two-wire interface protocol includes the Finisar Serial Bus (FSB) two-wire interface protocol and the Finisar Serial Bus (FSB) two-wire interface protocol includes;
a preamble field;
a frame start field;
an operation field;
a device identifier field;
a basic address field;
a first bus turnaround field;
a data field;
a second bus turnaround field; and
a frame end field.
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Abstract
A telecommunications system and constituent two-wire interface module. The two wire interface module includes a logic component configured to communicate over the same pair of wires using different two-wire interface protocols depending on an input signal presented on a configuration input. This configurability allows the two-wire interface module to use the same two wires to communicate with a variety of other two-wire interface modules, even if those two-wire interface modules communicate using different two-wire interface protocols.
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Citations
3 Claims
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1. An optical transceiver, the optical transceiver including:
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a laser driver; a post-amplifier; and a digital core component, wherein the digital core component includes; a register array component, wherein the register array component is configured to store one or more control values which control the laser driver and post-amplifier; a slave component, wherein the slave component is configured to read data from and write data to the register array component; and a boot component, wherein the boot component includes; a two-wire interface module, the two-wire interface module including; a first two-wire interface, wherein the first two-wire interface is configured to transmit data to and receive data from the slave component; and wherein the first two-wire interface includes;
a first interface wire; and
a second interface wire;a second two-wire interface, wherein the second two-wire interface is configured to transmit data to and receive data from an external control source; and wherein the second two-wire interface includes;
a third interface wire; and
a fourth interface wire;a configuration input; and a logic component configured to;
communicate over the first two-wire interface with the slave component using a first two-wire interface protocol;
communicate over the second two-wire interface using a first two-wire interface protocol when the configuration input receives a first input signal correlating to the first two-wire interface protocol;
communicate over the second two-wire interface using the second two-wire interface protocol when the configuration input receives a second input signal correlating to the second two-wire interface protocol,wherein the slave component includes a FSB slave component and the first two-wire interface protocol includes the Finisar Serial Bus (FSB) two-wire interface protocol and the Finisar Serial Bus (FSB) two-wire interface protocol includes; a preamble field; a frame start field; an operation field; a device identifier field; a basic address field; a first bus turnaround field; a data field; a second bus turnaround field; and a frame end field. - View Dependent Claims (2, 3)
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Specification