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| SA1110 Datasheet, PDF (150/406 Pages) Intel Corporation – Intel StrongARM SA-1110 Microprocessor | |||
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Memory and PCMCIA Control Module
Figure 10-7. SDRAM State Machine
Reset (Hardware or Sleep)
Self-refresh
and
Clock-stop
Enter_Sleep ||
Clear_KnRUN
!Enter_Sleep &&
Set_KnRUN
Self-refresh
SLFRSH
Enter_Sleep ||
Set_SLFRSH
!Enter_Sleep &&
!Clear_KnRUN &&
Clear_SLFRSH
Enter_Sleep ||
Set_SLFRSH
Power-down
and
Clock-stop
Clear_KnRUN ||
Auto_Power_Down
Set_KnRUN ||
(KnRUN &&
(Auto_Power_Up ||
Enter_Sleep ||
Set_SLFRSH))
Power-down
PWRDNX
(Set_E1PIN ||
(E1PIN &&
(Auto_Power_Up ||
Enter_Sleep || Set_SLFRSH))) &&
!Clear_KnRUN
!Enter_Sleep &&
!Set_SLFRSH &&
!Clear_E1PIN &&
Refresh &&
First_Refresh
PWRDN
PALL
!Enter_Sleep &&
!Set_SLFRSH
!Enter_Sleep &&
!Set_SLFRSH &&
(Clear_E1PIN ||
Auto_Power_Down)
!Enter_Sleep &&
!Set_SLFRSH &&
!Clear_E1PIN &&
Refresh &&
!First_Refresh
CBR
!Enter_Sleep && !Set_SLFRSH &&
!Clear_E1PIN && !Refresh &&
New_Enable
MRS
Idle
!Enter_Sleep && !Set_SLFRSH &&
!Clear_E1PIN && !Refresh &&
!New_Enable && New_Access
Burst
ACT
!Burst
!Last_Beat
READ
or
WRIT
Last_Beat
READAP
or
WRITEAP
A6635-01
10-36
SA-1110 Developerâs Manual
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