06557062 is referenced by 19 patents.

A system and method for controlling Radio Frequency (RF) devices. A serial RF control bus (

106

) provides a half-duplex serial communication interconnect path between a bus master (

108

) and one or more bus slaves (

110

). The bus master is coupled to a processor (

102

), and each bus slave is coupled to an RF device (

104

) that operates without a free-running clock. The processor controls the RF devices by sending and receiving messages over the RF control bus. The bus master and bus slaves format these messages for transmission across the RF control bus. The RF control bus includes a bi-directional data line (

120

), a first clock line (

124

), and a second clock line (

122

). The first clock line is asserted by the bus master when transmitting serial data to and receiving serial data from the RF slaves via the data line. The second clock line is asserted by the RF slaves when transmitting serial data to the bus master via the data line.

Title
System and method for low-noise control of radio frequency devices
Application Number
9/456685
Publication Number
6557062 (B1)
Application Date
December 9, 1999
Publication Date
April 29, 2003
Inventor
Steve Caras
Poway
CA, US
Barton G Shaler
Solana Beach
CA, US
Agent
Antonelli Terry Stout & Kraus
US
Assignee
TRW
CA, US
IPC
G06F 13/00
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