Memory card reading device
AssigneeWinbond Electronics Corp.
InventorChie-Yeon Chen
Life of this patent
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Abstract
A memory card reading device comprises a card reader and an adapter. The card reader has a microprocessor, multiple memory card interface circuits, a control circuit, a multiplexer and a connecting port to link with the memory card or the adapter. After the microprocessor and the control circuit detect the specification of the memory card of the adapter, the microprocessor directs the multiplexer to switch to a specific interface circuit corresponding to the detected specification. Therefore the microprocessor can access the data stored on the memory card via the selected specific interface circuit.
Claims14
A memory card reading device comprising:
- a card reader, wherein said card reader comprises:
- a microprocessor coupled to a data bus;
- a plurality of memory card interface circuits coupled to said microprocessor;
- a connecting port coupled to said plurality of memory card interface circuits through a multiplexer, wherein said multiplexer is controlled by said microprocessor;
- and
- a control circuit coupled to said microprocessor and said connecting port;
- and
- an adapter to receive a memory card, wherein said adapter coupled to said connecting port of said card reader through a connecting interface;
- wherein said card reader can detect the specification of said memory card by said control circuit and said microprocessor, and select a corresponding memory card interface circuit from said plurality of memory card interface circuits, whereby said microprocessor can access data stored in said memory card inside said adapter via said selected memory card interface circuit.
A memory card reading device comprising:
- a card reader, wherein said card reader comprises:
- a microprocessor coupled to a data bus;
- a plurality of memory card interface circuits connected to said microprocessor;
- a connecting port connected to said plurality of memory card interface circuits through a multiplexer, wherein said multiplexer is controlled by said microprocessor;
- and
- a control circuit coupled to said microprocessor and said connecting port;
- and
- an adapting circuit to receive a memory card, wherein said adapting circuit coupled to said connecting port of said card reader through a connecting interface;
- wherein said card reader can detect the specification of said memory card by said control circuit and said microprocessor, and select a memory card interface circuit from said plurality of memory card interface circuits, whereby said microprocessor can access data stored in said memory card inside said adapting circuit via said selected memory card interface circuit.
Dependencies are inferred from the claim text.