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This is an external 650 OHms resistor according to the documentation. What is this resistor used for in the chip? Could a wrong value lead to USB packet err
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The RREF resistor is used to control the drive level of the high-speed (HS) signals. If you use a resistor with a value other
than 649 Ω, the HS signal quality will be degraded over the range of temperature
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The RREF resistor is used to control the drive level of the high-speed (HS) signals. If you use a resistor with a value other
than 649 Ω, the HS signal quality will be degraded over the range of temperature
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The RREF resistor is used to control the drive level of the high-speed (HS) signals. If you use a resistor with a value other
than 649 Ω, the HS signal quality will be degraded over the range of temperature