Dual mode power amplifier control interface with a two-mode general purpose input/output interface
AssigneeSkyworks Solutions, Inc.
InventorDavid Steven Ripley
Life of this patent
Estimating the term…
Abstract
In accordance with some embodiments, the present disclosure relates to a dual mode control interface that can be used to provide both a radio frequency front end (RFFE) serial interface and a two-mode general purpose input/output (GPIO) interface within a single digital control interface die. In certain embodiments, the dual mode control interface, or digital control interface, can communicate with a power amplifier. Further, the dual mode control interface can be used to set the mode of the power amplifier.
Claims21
(canceled)
A power amplifier module comprising:
- a power amplifier configured to amplify a radio frequency (RF) signal;
- a power amplifier controller;
- and
- a digital control interface configured to provide a set of control signals to the power amplifier controller, the power amplifier controller configured to control the power amplifier based on the set of control signals, the digital control interface including a voltage input/output (VIO) pin, a serial interface module, and a general purpose input/output (GPIO) interface module, the serial interface module including a serial interface core configured to provide a serial interface when active, the serial interface core activated in response to a first voltage signal received by the VIO pin, and the GPIO interface module configured to provide a GPIO interface responsive to a second voltage signal received by the VIO pin, the serial interface core deactivated in response to the second voltage signal.
A wireless device comprising:
- an antenna configured to transmit and receive wireless signals;
- and
- a power amplifier module including a power amplifier configured to amplify a radio frequency (RF) signal, a power amplifier controller, and a digital control interface configured to provide a set of control signals to the power amplifier controller, the power amplifier controller configured to control the power amplifier based on the set of control signals, the digital control interface including a voltage input/output (VIO) pin, a serial interface module, and a general purpose input/output (GPIO) interface module, the serial interface module including a serial interface core configured to provide a serial interface when active, the serial interface core activated in response to a first voltage signal received by the VIO pin, and the GPIO interface module configured to provide a GPIO interface responsive to a second voltage signal received by the VIO pin, the serial interface core deactivated in response to the second voltage signal.
A digital control interface comprising:
- a voltage input/output (VIO) pin;
- a serial interface module including a serial interface core configured to provide a serial interface when active, the serial interface core activated in response to a first voltage signal received by the VIO pin;
- and
- a general purpose input/output (GPIO) interface module configured to provide a GPIO interface responsive to a second voltage signal received by the VIO pin, the serial interface core deactivated in response to the second voltage signal.
Dependencies are inferred from the claim text.