Wednesday, October 01, 2008



MICROWIRE is a serial interface standard defined by National Semiconductor. The MICROWIRE protocol is essentially a subset of the SPI[tm] interface, namely CPOL = 0 and CPHA = 0. This protocol is also used for example by Microchip and Fairchild in their serial EEPROMs. In many applications Microwire devices can be interface to a microcontroller SPI interface with help of some software.
SPI (Serial Peripheral Interface) and MICROWIRE are serial interface standards developed by Motorola and National Semiconductor, respectively. Most synchronous serial converters can be easily interfaced to these ports; but in some cases additional "glue" logic may be necessary.

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