Power management control method and power management system of multimedia smart card

The invention discloses a power management control method and a power management system of a multimedia smart card. The method comprises the following steps of: S1, inputting a standby signal of an IR, an RTC or a GIPO through a remote controller or a standby key, and storing the standby signal as a...

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Bibliographic Details
Main Authors SUN JIKUN, WANG SHAODUN
Format Patent
LanguageChinese
English
Published 27.06.2012
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:The invention discloses a power management control method and a power management system of a multimedia smart card. The method comprises the following steps of: S1, inputting a standby signal of an IR, an RTC or a GIPO through a remote controller or a standby key, and storing the standby signal as a standby logo; S2, receiving standby interruption by a CPU (Central Processing Unit), storing current multimedia display information, sending a reset signal through a first pin of the CPU, triggering a guide standby program, and closing a chip internal function module and a peripheral equipment power supply except for IR, RTC and GIPO input processing after a certain delay; S3, receiving start-up interruption by the CPU under standby frequency, wherein the start-up interruption comprises any one wake-up signal in the IR, RTC or GIPO; and S4, switching on the chip internal function module and the peripheral equipment power supply through the CPU, sending a reset signal through the first pin after a certain delay, an
Bibliography:Application Number: CN20111371081