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Altera_Forum
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15 years ago

NiosII SPI Core problem

Hi, all i use a SPI core in my nios system. when i used the function "alt_avalon_spi_command()" to sent a "who am i" command to the peripheral, it received no data. so i use signalTap to debu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Try increasing the delay parameter of the SPI core so that there is a bit of delay between the SS_N deassertion and sclk. One sclk of delay should hopefully do the trick.