MODE SELECT 15h/55h
Commands
89
All the fields on this page are vendor-specific. None are supported, so they should all be zero.
Sub-page 03h—Negotiated Settings
96
ATN Value (0)
99
100
C/D Value (0)
103
104
I/O Value (0)
107
108
MSG Value (0)
111
112
Reserved (0)
227
7 6 5 4 3 2 1 0
0 Transfer Period Factor
1 Reserved (0)
2 Req/Ack Offset
3 Transfer Width Exponent
4 Protocol Options Bits
5 Reserved (0) Transceiver Mode
Sent
PCOMP_EN
Received
PCOMP_EN
6
Reserved (0)
7
Transfer Period Factor The negotiated transfer period factor.
Req/Ack Offset The negotiated Req/Ack offset.
Transfer Width Exponent The negotiated transfer width.
Protocol Options Bits The negotiated protocol options:
Bit Protocol Option Meaning Supported
7 PCOMP_EN Precompensation Yes
6 RTI Retain training information Yes
5 RD_STRM Read streaming and read flow control No
4 WR_FLOW Write flow control No
3 HOLD_MCS Hold margin control No
2 QAS_REQ Quick arbitration and selection No
1 DT_REQ Double transition clocking Yes
0 IU_REQ Information units Yes
7 6 5 4 3 2 1 0
