Teledyne LeCroy SAS Sample Test Suite - Manual (Page 24)

SAS Sample Test Suite
Error Conditions – Frames Sent to Initiator (Test Group B) 24
Figure 7 - ACK/NAK Timeout detected after sending frame
SSP Link
SAS Protocol
Initiator/Test Station Target Primitive Logic Target Protocol Logic
ACK Primitive
SSP Link
SSP Link
Read Command
SAS Protocol
Response Frame
Response frame could be
transmitted in the same or
new connection
NAK Primitive
DONE(ACK/NAK Timeout)
ACK Primitive
Data Frame
SAS Protocol
Response Frame
ACK/NAK Primitive
Sense Key=ABORT
COMMAND
Sense Key=ABORT
COMMAND
ASC/Q = NAK RECEIVED
1 ms Timeout Event
Response
frame is
transmitted in a