Preliminary
USB HOST CONTROLLER
S3C2451X RISC MICROPROCESSOR
16-2
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
USB HOST CONTROLLER SPECIAL REGISTERS
The S3C2451X USB host controller complies with OHCI Rev 1.0. Refer to Open Host Controller Interface Rev 1.0
specification for detail information.
Table 16-1. 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
–
–