Realtek RTL8169 - Page 72

RTL8169
2002/03/27 Rev.1.21
72
PCI Transactions
DEVSELB
C/BE3-0B
IRDYB
TRDYB
AD31-0
ADDRESS
CLK
1
23456789
FRAMEB
10
DATA
BUS CMD BE3-0B
I/O Read
DEVSELB
C/BE3-0B
IRDYB
TRDYB
AD31-0
ADDRESS
CLK
1
23456789
FRAMEB
10
DATA
BUS CMD BE3-0B
Fig. 11.3.3.3.2 I/O Write