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Hello,
I have two questions related to getting the resistor strapping correct for my application, please. I do not plan on using the configuration utility to program the parts, so I want to make sure everything will behave as expected when using the default Mode 0 configuration on power up.
1. The datasheet does not specify the default states for the dedicated GPIO pins. I am presuming they are TRISTATE and that if I am not using them I can just tie them directly to GND. Please confirm.
2. Mode 0 configures for 6-pin UARTs but my design only has RXD and TXD. Is it ok to leave the flow controls (i.e. CTS, RTS, DSR, DTR) as no connects in 6-pin UART mode or do I need to specifically tie them directly, or pull them up/down to specific active/inactive states.
Thank you in advance!
-Chris
Solved! Go to Solution.
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Hi Chris,
1. The default configuration for the gpios is listed on Page 15, Pin Description in the datasheet.
2. Please refer to the following KBA for default configuration of the UART pins: https://community.infineon.com/t5/Knowledge-Base-Articles/Default-Configuration-of-UART-Pins-in-USB-...
Regards,
Mallika
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Hi Chris,
1. The default configuration for the gpios is listed on Page 15, Pin Description in the datasheet.
2. Please refer to the following KBA for default configuration of the UART pins: https://community.infineon.com/t5/Knowledge-Base-Articles/Default-Configuration-of-UART-Pins-in-USB-...
Regards,
Mallika
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Thank you, Mallika!