Patent ID: 7283794
Filing Date: 2007-10-16
Classification: H04W,Y02D

Abstract:
1. A wireless communication device, comprising: a radio frequency module, the module comprising, a serial interface configured to accept input data at a first voltage, the input data including a control signal for an integrated circuit component; a local level shifter configured to accept a portion of the control signal at the first voltage, the local level shifter configured to maintain a shifted control signal, where the shifted control signal is at an operating voltage of the integrated circuit component, and where the shifted control signal controls an operation of the integrated circuit component; and a data latch configured to accept the portion of the control signal at the first voltage level from the serial interface, the data latch configured to output the portion of the control signal at the first voltage to at least the local level shifter, where the local level shifter is configured to maintain the shifted control signal in the radio frequency module while the radio frequency module is operating in a shutdown mode.