Serial peripheral interface and method for data transmission
AssigneeMacronix International Co., Ltd.
InventorsYu-Lan Kuo, Chun-Hsiung Hung
Life of this patent
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Abstract
A serial peripheral interface of an integrated circuit including multiple pins and a clock pin is provided. The pins are coupled to the integrated circuit for transmitting an instruction, an address or a read out data. The clock pin is coupled to the integrated circuit for inputting multiple timing pulses. The plurality of pins transmit the instruction, the address or the read out data at rising edges, falling edges or both edges of the timing pulses.
Claims13
A serial peripheral interface of an integrated circuit, the serial peripheral interface comprising:
- a plurality of pins coupled to the integrated circuit so that:
- the integrated circuit sends read out data using the pins,
- the pins are used for different functions at different times, so that at one time one of the pins is used for preventing the read out data from being read from the integrated circuit, and at other times the one pin is used for transmitting the read out data when the one pin is not being used for preventing the read out data from being read from the integrated circuit, and
- at some time another one of the pins is used for temporarily stopping transmitting the read out data, and at other times said another one of the pins is used for transmitting the read out data when said another one of the pins is not being used for temporarily stopping transmitting the read out data.
A data transmitting method applied to a serial peripheral interface of an integrated circuit, the serial peripheral interface including a plurality of pins, the method comprising the steps of:
- sending read out data by the integrated circuit using the pins, wherein one of the pins is used at one time for preventing the read out data from being read from the integrated circuit, and another one of the pins is used for temporarily stopping transmittal of the read out data;
- and
- at other times, transmitting the read out data when the one pin is not used for preventing the read out data from being read from the integrated circuit, and said another one of the pins is used for transmitting the read out data when said another one of the pins is not being used for temporarily stopping transmittal of the read out data.
Dependencies are inferred from the claim text.