UART pins for debugging

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MeSh_3749161
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Hi Everyone!
We want to consider UART on our our new PSoC 6 IoT design prototype in order to connect to  CY8CKIT-062-BLE PSoC 6 BLE Pioneer Board for debugging. We are wondering whether we need to use only two pins of RX and TX or we need to use CTS and RTS pins too.

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Vison_Zhang
Moderator
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First comment on KBA 750 replies posted 250 sign-ins

Only TX/RX is enough, Actually the on board KitProg3 tool(based on PSoC5LP) is also an USB-UART bridge, it only connect UART TX and RX pin betwwen to PSoC6.

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Thanks for your response. Actually on the kit it is mentioned that in addition to RX and TX, CTS and RTS are also connected between PSoC 5 and PSoC 6, and that was the reason I came up with the question.

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Meysam,

I checked the kitprog3 firmware, the hardware flow control is enabled for CY8CKIT-062-BLE Kit. You can use only TX/RX pin but yout must make sure P5[2](RTS pin) of PSoC6 output logic 0 always.

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