Patent ID: 7401163
Filing Date: 2008-07-15
Classification: G06F,Y02D

Abstract:
1. A mobile phone system comprising: a first processing unit; a second processing unit which operates in one of a first operation mode and a second operation mode as an operation mode thereof, said second processing unit being coupled to said first processing unit, and including a Central Processing Unit (CPU) and a switching unit operable to directly provide data signals from said first processing unit or data signals from said second processing unit external of said second processing unit; a display device coupled to said second processing unit; and a volatile memory, coupled to said first processing unit, accessible by said first processing unit, wherein, in said first operation mode, said second processing unit is in an active state and receives data signals from said first processing unit, said CPU of said second processing unit conducts processing based on said data signals from said first processing unit, and said switching unit provides data signals from said second processing unit to said display device, and wherein, in said second operation mode, said second processing unit is in a standby state, and said switching unit is provided a power supply and directly provides data signals from said first processing unit to said display device.