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ADSP21489 cannot Slave boot success After reset

Question asked by 江湖中已没了哥 on Feb 2, 2018
Latest reply on Feb 19, 2018 by Jithul_Janardhanan

Hello for you:

here I have a custom ADSP21489 borad ,i have suceessed   boot adsp21489 on slave boot mode,but i have a troble, it cannot success boot everytime?and when mcu control the reset io low to high ,i send the 21489 program boot code(ldr) via spi port (DPI01~DPI03) to ADSP21489 ,it cannot boot success ,why?

thanks for your attention