參數(shù)資料
型號: USS-344
英文描述: USS-344 QuadraBus Four-Host PCI-to-USB OpenHCL Host Controller
中文描述: 號,344 QuadraBus四主機的PCI到USB主機控制器OpenHCL
文件頁數(shù): 33/54頁
文件大?。?/td> 850K
代理商: USS-344
Agere Systems Inc.
33
Advance Data Sheet, Rev. 9
June 2001
Four-Host PCI-to-USB OpenHCI Host Controller
USS-344
QuadraBus
USB Registers
(continued)
Table 112. HcFmInterval Register (34h)
Table 113. HcFmRemaining Register (38h)
Table 114. HcFmNumber Register (3Ch)
Table 115. HcPeriodicStart Register (40h)
Table 116. HcLSThreshold (44h)
Table 117. HcRhDescriptorA Register (48h)
Bits
Field
Reset
HCD
(Host Controller Driver)
R/W
R/W
R/W
HC
(Host Controller)
R
R
R
13:0
30:16
31
Frame Interval (FI)
FS Largest Data Packet (FSMPS)
Frame Interval Toggle (FIT)
2EDFh
0h
0b
Bits
13:0
31
Field
Reset
0h
0b
HCD
R
R
HC
R/W
R/W
Frame Remaining (FR)
Frame Remaining Toggle (FRT)
Bits
15:0
Field
Reset
0h
HCD
R
HC
R/W
Frame Number (FN)
Bits
13:0
Field
Reset
0h
HCD
R/W
HC
R
Periodic Start (PS)
Bits
11:0
Field
Reset
628h
HCD
R/W
HC
R
LS Threshold
Bits
7:0
Field
Reset
01h
HCD
R
HC
R
Number Downstream Ports
(NDP)
Power Switching Mode (PSM)
No Power Switching (NPS)
Device Type (DT)
Overcurrent Protection Mode
(OCPM)
No Overcurrent Protection
(NOCP)
Power On to Power Good Time
(POTPGT)
8
9
10
11
1b
0b
0b
1b
R/W
R/W
R
R/W
R
R
R
R
12
0b
R/W
R
24:31
10h
R/W
R
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