EP80579 Datasheet, PDF (378/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Figure 15-5. Dword Configuration Read Protocol
DWORD Configuration Read Protocol (SMBus Word Write/Word Read, PEC Disabled)
S
0110_000
WA
Cmd
= 10000001
A
Bus Number
A Device/Function A P
S
0110_000
WA
Cmd
= 01000001
A
Register Num
[15:8]
A
Register Num
[7:0]
CLOCK
STRETCH
AP
S
0110_000
WA
Cmd
= 10000001
A
Sr 0110_000 R A
Status
A Data[31:24] N P
S
0110_000
WA
Cmd
= 00000001
A
Sr 0110_000 R A Data[23:16] A Data[15:8] N P
S
0110_000
WA
Cmd
= 01000000
A
Sr 0110_000 R A Data[7:0] N P
B4534-01
Figure 15-6. Dword Configuration Write Protocol
DWORD Configuration Write Protocol (SMBus Word Write, PEC Disabled)
S
0110_000
WA
Cmd
= 10001101
A
Bus Number A Device/Function A P
S
0110_000
WA
Cmd
= 00001101
A
Register Num
[15:8]
A
Register Num
[7:0]
AP
S
0110_000
WA
Cmd
00001101
A
Data[31:24]
A
Data[23:16]
AP
S
0110_000
WA
Cmd
= 01001101
A
Data[15:8]
A
Data[7:0]
CLOCK
STRETCH
AP
S
0110_000
WA
Cmd
= 10101101
A
Destination
Memory
A
Add Offset
[23:16]
AP
S
0110_000
WA
Cmd
= 00101101
A
Add Offset
[15:8]
A
Add Offset
[7:0]
AP
S
0110_000
WA
Cmd
00101101
A
Data[31:24]
A
Data[23:16]
AP
S
0110_000
WA
Cmd
= 01101101
A
Data[15:8]
A
Data[7:0]
CLOCK
STRETCH
AP
B4535-01
Intel^® EP80579 Integrated Processor Product Line Datasheet
378
August 2009
Order Number: 320066-003US