NH82801HEM S LB9B Intel, NH82801HEM S LB9B Datasheet - Page 588
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NH82801HEM S LB9B
Manufacturer Part Number
NH82801HEM S LB9B
Description
Manufacturer
Intel
Datasheet
1.NH82801HEM_S_LB9B.pdf
(890 pages)
Specifications of NH82801HEM S LB9B
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15.1.4
Note:
588
PCISTS—PCI Status Register
(USB EHCI—D29:F7, D26:F7)
Address Offset: 06h
Default Value:
For the writable bits, software must write a 1 to clear bits that are set. Writing a 0 to
the bit has no effect.
10:9
2:0
Bit
15
14
13
12
11
8
7
6
5
4
3
Detected Parity Error (DPE) — RO. Hardwired to 0.
Signaled System Error (SSE) — R/W.
0 = No SERR# signaled by ICH8.
1 = This bit is set by the ICH8 when it signals SERR# (internally). The SER_EN bit (bit
Received Master Abort (RMA) — R/W.
0 = No master abort received by EHC on a memory access.
1 = This bit is set when EHC, as a master, receives a master abort status on a memory
Received Target Abort (RTA) — R/W.
0 = No target abort received by EHC on memory access.
1 = This bit is set when EHC, as a master, receives a target abort status on a memory
Signaled Target Abort (STA) — RO. This bit is used to indicate when the EHCI function
responds to a cycle with a target abort. There is no reason for this to happen, so this bit
will be
hardwired to 0.
DEVSEL# Timing Status (DEVT_STS) — RO. This 2-bit field defines the timing for
DEVSEL# assertion.
Master Data Parity Error Detected (DPED) — R/W.
0 = No data parity error detected on USB2.0 read completion packet.
1 = This bit is set by the ICH8 when a data parity error is detected on a USB 2.0 read
Fast Back to Back Capable (FB2BC) — RO. Hardwired to 1.
User Definable Features (UDF) — RO. Hardwired to 0.
66 MHz Capable (66 MHz _CAP) — RO. Hardwired to 0.
Capabilities List (CAP_LIST) — RO. Hardwired to 1 indicating that offset 34h contains a
valid capabilities pointer.
Interrupt Status — RO. This bit reflects the state of this function’s interrupt at the
input of the enable/disable logic.
0 = This bit will be 0 when the interrupt is deasserted.
1 = This bit is a 1 when the interrupt is asserted.
The value reported in this bit is independent of the value in the Interrupt Enable bit.
Reserved
8 of the Command Register) must be 1 for this bit to be set.
access. This is treated as a Host Error and halts the DMA engines. This event can
optionally generate an SERR# by setting the SERR# Enable bit
access. This is treated as a Host Error and halts the DMA engines. This event can
optionally generate an SERR# by setting the SERR# Enable bit (D29:F7,
D26:F7:04h, bit 8).
completion packet on the internal interface to the EHCI host controller and bit 6 of
the Command register is set to 1.
0290h
–
07h
Description
Attribute:
Size:
EHCI Controller Registers (D29:F7, D26:F7)
R/W, RO
16 bits
Intel
®
.
ICH8 Family Datasheet
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