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TMS320F28388D: Hardware connect of EtherCAT

Green Deng
Expert 4490 points

Part Number: TMS320F28388D

Dear all:

One of my customer has a question about the hardware connect of EtherCAT, The latch and sync of ECAT are configured as follows; however, since ECAT is built-in in MCU, How should the external circuits of gpio125, gpio126, gpio127 and gpio128 be connected? Is it to suspend them?

GPIO_setPinConfig(GPIO_125_ECAT_LATCH0);
GPIO_setPinConfig(GPIO_126_ECAT_LATCH1);
GPIO_setPinConfig(GPIO_127_ECAT_SYNC0);
GPIO_setPinConfig(GPIO_128_ECAT_SYNC1);
GPIO_setDirectionMode(127, GPIO_DIR_MODE_OUT);
GPIO_setDirectionMode(128, GPIO_DIR_MODE_OUT);