Radio frequency identification integrated circuit for reducing pin counts and rfid providing method thereof
AssigneeGeneralplus Technology Inc.
InventorsHsin Chou Lee, Li Sheng Lo, Hsien-Yao Li
Life of this patent
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Abstract
A radio frequency identification integrated circuit for reducing pin counts and an RFID providing method thereof are provided in the present invention. The radio frequency identification integrated circuit includes a first IO pin, a second IO pin and a third IO pin. The method includes determining whether the coil is coupled to the first IO pin, the second IO pin and the third IO pin when the RFID IC is enabled; and determining the identification according to the voltage status of the non-coupled pin and the pins coupled to the coil.
Claims16
A radio frequency identification integrated circuit for reducing pin counts, adapted for RFID circuit, wherein the RFID circuit at least comprises a resonant coil and a resonant capacitor, wherein the radio frequency identification integrated circuit for reducing pin counts comprises:
- a first input/output pin;
- a second input/output pin;
- and
- a third input/output pin,
- wherein, when the radio frequency identification integrated circuit is enabled, it is respectively determined whether the first input/output pin, the second input/output pin and the third input/output pin are coupled to a resonant coil,
- wherein ID of the radio frequency identification integrated circuit for reducing pin counts is determined according to the voltage states of the first input/output pin, the second input/output pin and the third input/output pin which are respectively coupled to the resonant coil or not.
An RFID providing method, adapted for RFID integrated circuit, wherein the RFID integrated circuit comprises a first input/output pin, a second input/output pin and a third input/output pin, wherein the RFID providing method comprises:
- determining whether the first input/output pin, the second input/output pin and/or the third input/output pin are respectively coupled to the resonant coil when the RFID integrated circuit is enabled;
- and
- determining output ID of the RFID integrated circuit according to the voltage states of the first input/output pin, the second input/output pin and the third input/output pin which are respectively coupled to the resonant coil or not.
Dependencies are inferred from the claim text.