參數(shù)資料
型號： μPD9210FGC-7EA
廠商： NEC Corp.
英文描述： USB Host Controller(USB主控制器)
中文描述： USB主機(jī)控制器（的USB主控制器）
文件頁數(shù)： 65/95頁
文件大?。?/td> 423K
代理商： ΜPD9210FGC-7EA
CHAPTER 5 REGISTER INFORMATION
65
5.2.1 Overview of operational registers
Register: HcRevision
Offset Address: 00h
Read/Write
Field
Bit
HCD
HD
Value
(Default)
Comment
Revision
7 : 0
R
R
10h
Complies with OpenHCI R1.0
Legacy
8
R
R/W
Xb
Includes a legacy support register. It is set to suit the
setting of external pin LEGC.
LEGC = 0
→
Set to “0”
LEGC = 1
→
Set to “1”
Reserved
31 : 9
R/W
R
Xh
Reserved
Register: HcControl
Offset Address: 04h
Read/Write
Field
Bit
HCD
HD
Value
(Default)
Comment
Indicates the control/bulk service ratio between EDs.
CBSR
No. of Control EDs Over Bulk EDs Served
0
1
2
3
1 : 1
2 : 1
3 : 1
4 : 1
ControlBulkServiceRatio
(CBSR)
1 : 0
R/W
R
00b
PeriodicListEnable (PLE)
2
R/W
R
0b
Sets the next frame’s periodic list servicing as valid or invalid.
1: Valid, 0: Invalid
IsochronousEnable (IE)
3
R/W
R
0b
Sets the next frame’s isochronous ED servicing as valid or
invalid.
1: Valid, 0: Invalid
ControlListEnable (CLE)
4
R/W
R
0b
Sets the next frame’s control list servicing as valid or invalid.
1: Valid, 0: Invalid
BulkListEnable (BLE)
5
R/W
R
0b
Sets the next frame’s bulk list servicing as valid or invalid.
1: Valid, 0: Invalid
HostControllerFunctionalState
for USB (HCFS)
7 : 6
R/W
R/W
00b
(H/W_R
Note 1
)
11b
(S/W_R
Note 2
)
00b: U
SB
R
ESET
01b: U
SB
R
ESUM
10b: U
SB
O
PERATIONAL
11b: U
SB
S
USPEND
InterruptRouting (IR)
Note 3
8
R/W
R
0b
This bit indicates the route of an interrupt that is triggered
by an event registered in HclnterruptStatus.
1: SMI output, 0: INT output
RemoteWakeupConnected
(RWC)
Note 3
9
R/W
R/W
0b
This bit indicates whether or not remote wakeup signals
are supported.
1: Supported, 0: Not supported
RemoteWakeupEnable
(RWE)
10
R/W
R
0b
Sets remote wakeup signal as valid or invalid when
upstream resume signal is detected.
Reserved
31 : 11
R/W
R
Xh
Reserved
Notes 1.
H/W_R = Hardware Reset
2.
S/W_R = Software Reset
3.
Only Hardware Reset is available.
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