Serial control of radio frequency integrated circuits

Details Serial control of radio frequency integrated circuits Serial control of radio frequency integrated circuits

2008-01-22

2008-01-22

Ho, Duc (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S338000

Reexamination Certificate

active

10244652

ABSTRACT:
A serial controller for use in controlling various radio frequency (RF) modules within an RF integrated circuit is disclosed. The serial controller is coupled to an serial bus that internal to the RFIC that transmits commands and data from a microcontroller to a data receiver module within the serial controller. The serial commands and data are transmitted across the serial bus in a data packet format having an address-overhead portion and a data portion, wherein the data receiver module removes the address-overhead bits from the packet and provides the data portion of the packet as output data. A decoder/coder logic module coupled to the data receiver receives the serial data and is operative to process the serial data and in response thereto activate one or more control signals. An RF module includes at least one circuit and one or more switching elements that are coupled to the one or more control signals. The switching elements are responsive to the corresponding control signals by switching one or more switchable component into the circuit or isolating the switchable component from the circuit to adjust or change one or more parameter of the circuit so as to vary the output of the RF module in a controlled manner.

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The I2C-BUS Specification, Version 2.1, Jan. 2000, pp. 1-46.

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