Srom check status timing diagram, Srom erase timing diagram, Srom erase all operation – Intel 21555 User Manual
Page 95: Figure 24
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21555 Non-Transparent PCI-to-PCI Bridge User Manual
95
Serial ROM Interface
Figure 22. SROM Erase Timing Diagram
Figure 23. SROM Erase All Operation
Figure 24. SROM Check Status Timing Diagram
A7479-01
A8
A0
1
1
1
pr_ad[1]
(sr_di)
sr_cs
pr_ad[0]
(sr_ck)
A7480-01
1
1
0
0
0
pr_ad[1]
(sr_di)
sr_cs
pr_ad[0]
(sr_ck)
A7481-01
pr_ad[2]
(sr_di)
sr_cs
pr_ad[0]
(sr_ck)
ready
busy
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