參數(shù)資料
型號(hào)： ISP1562BE
廠商： NXP SEMICONDUCTORS
元件分類： 總線控制器
英文描述： Hi-Speed Universal Serial Bus PCI Host Controller
中文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-407-1, LQFP-100
文件頁數(shù)： 36/98頁
文件大小： 442K
代理商： ISP1562BE
9397 750 14223
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
36 of 98
Philips Semiconductors
ISP1562
USB PCI Host Controller
Table 45:
Address: Value read from func0 or func1 of address 10h + 04h
Bit
Symbol
Description
31 to 11
reserved
-
10
RWE
RemoteWakeupEnable
: This bit is used by the HCD to enable or disable
the remote wake-up feature on detecting upstream resume signaling.
When this bit and RD (bit 3) in the HcInterruptStatus register are set, a
remote wake-up is signaled to the host system. Setting this bit has no
impact on the generation of hardware interrupt.
9
RWC
RemoteWakeupConnected
: This bit indicates whether the Host
Controller supports remote wake-up signaling. If remote wake-up is
supported and used by the system, it is the responsibility of the system
firmware to set this bit during POST. The Host Controller clears the bit on
a hardware reset but does not alter it on a software reset. Remote
wake-up signaling of the host system is host-bus-specific and is not
described in this specification.
8
IR
InterruptRouting
: This bit determines the routing of interrupts generated
by events registered in HcInterruptStatus. If clear, all interrupts are routed
to the normal host bus interrupt mechanism. If set, interrupts are routed to
the System Management Interrupt. The HCD clears this bit on a hardware
reset, but it does not alter this bit on a software reset. The HCD uses this
bit as a tag to indicate the ownership of the Host Controller.
7 to 6
HCFS
[1:0]
00b —
USBRESET
01b —
USBRESUME
10b —
USBOPERATIONAL
11b —
USBSUSPEND.
A transition to USBOPERATIONAL from another state causes SOF
generation to begin 1 ms later. The HCD may determine whether the Host
Controller has begun sending SOFs by reading SF (bit 2) in
HcInterruptStatus.
This field may be changed by the Host Controller only when in the
USBSUSPEND state. The Host Controller may move from the
USBSUSPEND state to the USBRESUME state after detecting the
resume signaling from a downstream port.
The Host Controller enters USBSUSPEND after a software reset; it enters
USBRESET after a hardware reset. The latter also resets the Root Hub
and asserts subsequent reset signaling to downstream ports.
5
BLE
BulkListEnable
: This bit is set to enable the processing of the bulk list in
the next frame. If cleared by the HCD, processing of the bulk list does not
occur after the next SOF. The Host Controller checks this bit whenever it
wants to process the list. When disabled, the HCD may modify the list. If
HcBulkCurrentED is pointing to an Endpoint Descriptor (ED) to be
removed, the HCD must advance the pointer by updating
HcBulkCurrentED before re-enabling processing of the list.
HcControl - Host Controller Control register bit description
HostControllerFunctionalState
for USB:
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