I want to use UART to communicate with the EKSP firmware. In this document: /cfs-file/__key/communityserver-discussions-components-files/388/ADuCM350_5F00_EKSP_5F00_UART_5F00_Protocol_5F00_1_5F00_1518.pdf, it says that "The protocol is initialized by transmitting the Initialize Protocol command. A successful initialization will return an Acknowledge (ACK)." But I do not receive the ACK when I send the Initialize Protocol command:
Am I missing any steps? Thank you.