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UART output garbled

Question asked by cai bai on Sep 14, 2016
Latest reply on Sep 23, 2016 by cai bai


    i run FreeRTOS on cortex-M4 and linux on cortex-A9,when i run demo app <FreeRTOS_BSP_1.0.0_iMX6SX/examples/imx6sx_sdb_m4/demo_apps/low_power_imx6sx/periodic_wfi_qspi> and cortex-M4 uart garbled after linux startup,it seems that uart clock is change,what can i do?