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Interface
5-6 C141-E262
Primitive Name Description
R_IP Reception in progress Current node (host or device) is receiving
payload.
R_OK Reception with no error Current node (host or device) detected no
error in received payload.
R_RDY Receiver ready Current node (host or device) is ready to
receive payload.
SOF Start of frame Start of a frame. Payload and CRC follow to
EOF.
SYNC Synchronization Synchronizing primitive - always idle.
WTRM Wait for frame
termination
After transmission of any of the EOF, the
transmitter will transmit WTRM while
waiting for reception status from receiver.
X_RDY Transmission data ready Current node (host or device) has payload
ready for transmission.
5.1.3 Electrical specifications
For the electrical requirements of physical layer, refer to "Electrical
specifications" section in the "Serial-ATA Revision 2.5."