How to configure CP2102 USB adapters for high baud rates

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CP1202 have 32 fixed UART baud rates to a desired baud rate, e.g. requested baud rate in 57-300 range - 300 real baud will be used. Range 1474561-2457600 should be reconfigured to 2000000.


Configuration Procedure

1. Run CP21xxCustomizationUtility from AN721SW

CP21xxCustomizationUtility 0.png

2. Select your device from list if it is not selected

CP21xxCustomizationUtility 1.png

3. Expand Baud Rate Alias

CP21xxCustomizationUtility 2.png


4. Set both upper ranges (1474561-2457600 and 2457601-xxxxxxxxx) to 2000000 and click "Program Device"

CP21xxCustomizationUtility 3.png

4. You should see columns turned green upon completion

CP21xxCustomizationUtility 4.png