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176 SA-1110 Developer’s Manual
Memory and PC-Card Control Module
Figure 10-17. SMROM State Machine
A6642-01
Power-down
PWRDNX
PWRDN
!Burst_Done
Burst
Burst_Done && Burst_of_8
Burst_Done &&
!Burst_of_8
Power-down
and
Clock-stop
Enter_Sleep ||
Auto_Power_Down
Auto_Power_Up
Auto_Power_Up
NOP
MRS
Enter_Sleep ||
Auto_Power_Down
!Enter_Sleep &&
!New_Enable &&
New_Access
!Enter_Sleep &&
New_Enable
Idle
!Burst
READ STOP
Reset
(Hardware or Sleep)
ACT