Samsung S5PC100 User Manual page 981

SD/MMC CONTROLLER
9.13 WAKEUP CONTROL REGISTER
Wakeup Control Register
•
WAKCON0, R/W, Address = 0xED80_002B
•
WAKCON1, R/W, Address = 0xED90_002B
•
WAKCON2, R/W, Address = 0xEDA0_002B
This register is mandatory for the Host Controller, but wakeup functionality depends on the Host Controller system
hardware and software. The Host Driver sets SD Bus Power to 1 in the Power Control Register to maintains
voltage on the SD Bus, if wakeup event via Card Interrupt is desired.
WAKCON Bit
Reserved [7:4]
StaWakeup [3]
ENWKUPREM [2]
ENWKUPINS [1]
ENWKUPINT [0]
8.12-46
Reserved
Wakeup Event Status
This status is set if the Card Inserted/ Removed or Card Interrupt Stop
mode Wakeup Event Occurred. (ROC/RW1C)
'1' = Wakeup Interrupt Occurred
'0' = Wakeup Interrupt Not occurred or Cleared.
Wakeup Event Enable On SD Card Removal
This bit enables wakeup event via Card Removal assertion in the
Normal Interrupt Status register. FN_WUS (Wake Up Support) in CIS
does not affect this bit. (RW)
'1' = Enables
'0' = Disable s
Wakeup Event Enable On SD Card Insertion
This bit enables wakeup event via Card Insertion assertion in the
Normal Interrupt Status register. FN_WUS (Wake Up Support) in CIS
does not affect this bit. (RW)
'1' = Enable s
'0' = Disable
Wakeup Event Enable On Card Interrupt
This bit enables wakeup event via Card Interrupt assertion in the
Normal Interrupt Status register. This bit is set to 1 if FN_WUS (Wake
Up Support) in CIS is set to 1. (RW)
'1' = Enables
'0' = Disables
Description
S5PC100 USER'S MANUAL (REV1.0)
Reset Value
0
0
0
0
0