Handshake packets consist of only a single PID byte, and are generally sent in response to data packets. Error detection is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form. Three basic types are ACK, indicating that data was successfully received, NAK, indicating that the data cannot be received and should be retried, and STALL, indicating that the device has an error condition and cannot transfer data until some corrective action (such as device initialization) occurs. COUNT 3
QSN1 Handshake packets consist of only a single what? ANS1 PID byte QSN2 When are handshake packets generally sent? ANS2 in response to data packets QSN3 What is provided by transmitting four bits that represent the packet type twice, in a single PID byte using complemented form? ANS3 Error detection