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SN65DSI84-Q1: When IRQ_EN = 1, what is the relationship between the status of IRQ output and the 0xE5 register?

Alan Xia
Expert 5520 points
Part Number: SN65DSI84-Q1

Hi team，

What is the behavior of the IRQ of SN65DSI84-Q? Please also answer the following questions:
1. When IRQ_EN = 1, what is the relationship between the status of the IRQ output and the 0xE5 register?
2. We saw the following phenomenon on our board: IRQ_EN = 1, 0xE5 = 0, IRQ output 1. Is this normal? Please explain