Article Details

ID: 5055
Case Type: faq
Category: Architecture
Related To: Configuration/Programming
Family: MACHXO3

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Can the user enable both Master SPI and Slave SPI of MachXO2 for operation?

No, although both Master SPI and Slave SPI ports can be enabled at the same time, it is not permitted to access them at the same time. The Slave SPI and Master SPI ports must be time multiplexed when both are enabled. The internal SPI master controller must not perform SPI transactions at the same time as an external SPI master, and it is the users responsibility to prevent two SPI masters operating simultaneously.
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