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6678evm spi question

cz h

Intellectual 750 points

Hello, I'm using6678evm ,and I want to configure the spi to turn on the Led, but I 'm confused by SPIDATA0 and SPIDATA1 registers , what's the difference between them, if how can I select the FPGA, to turn on the LED attached on it, waitting for your help!

over 11 years ago

0 Ganapathi Dhandapani95 over 11 years ago

TI__Mastermind 28085 points

Hi cz,

Both are SPI transmit data registers.

SPIDATA0(SPIDAT0) - 16-bit Transmit data register.

SPIDATA1(SPIDAT1) - 16-bit Transmit data and format selection register.

Either SPIDAT0 or SPIDAT1 can be used on both master and slaves sides.

If you need more information refer below link

http://www.ti.com/lit/sprugp2

Thanks,