Samsung S3C2440A Laptop User Manual


 
USB HOST S3C2440A RISC MICROPROCESSOR
12-2
USB HOST CONTROLLER SPECIAL REGISTERS
The S3C2440A USB host controller complies with OHCI Rev 1.0. Refer to Open Host Controller Interface Rev 1.0
specification for detailed information.
OHCI REGISTERS FOR USB HOST CONTROLLER
Register Base Address R/W Description Reset Value
HcRevision 0x49000000 Control and status group
HcControl 0x49000004
HcCommonStatus 0x49000008
HcInterruptStatus 0x4900000C
HcInterruptEnable 0x49000010
HcInterruptDisable 0x49000014
HcHCCA 0x49000018 Memory pointer group
HcPeriodCuttentED 0x4900001C
HcControlHeadED 0x49000020
HcControlCurrentED 0x49000024
HcBulkHeadED 0x49000028
HcBulkCurrentED 0x4900002C
HcDoneHead 0x49000030
HcRmInterval 0x49000034 Frame counter group
HcFmRemaining 0x49000038
HcFmNumber 0x4900003C
HcPeriodicStart 0x49000040
HcLSThreshold 0x49000044
HcRhDescriptorA 0x49000048 Root hub group
HcRhDescriptorB 0x4900004C
HcRhStatus 0x49000050
HcRhPortStatus1 0x49000054
HcRhPortStatus2 0x49000058