SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 293

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

Revision 3.0
Core Logic Module
Offset 14h-17h
Note:
Offset 18h-1Bh
Offset 1Ch-1Fh
Offset 20h-23h
Offset 24h-27h
Offset 28h-2Bh
29:7
31:8
31:4
31:4
31:4
31:4
7:0
3:0
3:0
3:0
3:0
Bit
31
30
6
5
4
3
2
1
0
Writing a 1 to a bit in this register clears the corresponding bit, while writing a 0 to a bit leaves the bit unchanged.
Description
MasterInterruptEnable. Global interrupt disable. A write of 1 disables all interrupts.
OwnershipChangeEnable.
0: Ignore.
1: Disable interrupt generation due to Ownership Change.
Reserved. Read/Write 0s.
RootHubStatusChangeEnable.
0: Ignore.
1: Disable interrupt generation due to Root Hub Status Change.
FrameNumberOverflowEnable.
0: Ignore.
1: Disable interrupt generation due to Frame Number Overflow.
UnrecoverableErrorEnable. This event is not implemented. All writes to this bit will be ignored.
ResumeDetectedEnable.
0: Ignore.
1: Disable interrupt generation due to Resume Detected.
StartOfFrameEnable.
0: Ignore.
1: Disable interrupt generation due to Start of Frame.
WritebackDoneHeadEnable.
0: Ignore.
1: Disable interrupt generation due to Writeback Done Head.
SchedulingOverrunEnable.
0: Ignore.
1: Disable interrupt generation due to Scheduling Overrun.
HCCA. Pointer to HCCA base address.
Reserved. Read/Write 0s.
PeriodCurrentED. Pointer to the current Periodic List ED.
Reserved. Read/Write 0s.
ControlHeadED. Pointer to the Control List Head ED.
Reserved. Read/Write 0s.
ControlCurrentED. Pointer to the current Control List ED.
Reserved. Read/Write 0s.
BulkHeadED. Pointer to the Bulk List Head ED.
Reserved. Read/Write 0s.
Table 5-42. USB_BAR+Memory Offset: USB Controller Registers (Continued)
(Continued)
HcControlCurrentED Register (R/W)
HcPeriodCurrentED Register (R/W)
HcInterruptDisable Register (R/W)
HcControlHeadED Register (R/W)
HcBulkHeadED Register (R/W)
HcHCCA Register (R/W)
293
Reset Value = 00000000h
Reset Value = 00000000h
Reset Value = 00000000h
Reset Value = 00000000h
Reset Value = 00000000h
Reset Value = 00000000h
www.national.com