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NH82801GBM SL8YB

NH82801GBM SL8YB | |
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Manufacturer Part Number | NH82801GBM SL8YB |
Manufacturer | Intel Corporation |
NH82801GBM SL8YB datasheet |
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Specifications of NH82801GBM SL8YB | |||
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Case | BGA | Date_code | 07+ |
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10.9
System Management TCO Registers (D31:F0)
The TCO logic is accessed via registers mapped to the PCI configuration space
(Device 31:Function 0) and the system I/O space. For TCO PCI Configuration registers,
see LPC Device 31:Function 0 PCI Configuration registers.
TCO Register I/O Map
The TCO I/O registers reside in a 32-byte range pointed to by a TCOBASE value, which
is, PMBASE + 60h in the PCI configuration space. The following table shows the
mapping of the registers within that 32-byte range. Each register is described in the
following sections.
Table 10-12. TCO I/O Register Address Map
TCOBASE
Mnemonic
+ Offset
00h–01h
TCO_RLD
02h
TCO_DAT_IN
03h
TCO_DAT_OUT
04h–05h
TCO1_STS
06h–07h
TCO2_STS
08h–09h
TCO1_CNT
0Ah–0Bh
TCO2_CNT
TCO_MESSAGE1,
0Ch–0Dh
TCO_MESSAGE2
0Eh
TCO_WDCNT
0Fh
10h
SW_IRQ_GEN
11h
12h–13h
TCO_TMR
14h–1Fh
10.9.1
TCO_RLD—TCO Timer Reload and Current Value Register
I/O Address:
TCOBASE +00h
Default Value:
0000h
Lockable:
No
Bit
15:10
Reserved
TCO Timer Value — R/W. Reading this register will return the current count of the TCO
9:0
timer. Writing any value to this register will reload the timer to prevent the timeout.
456
Register Name
TCO Timer Reload and Current
Value
TCO Data In
TCO Data Out
TCO1 Status
TCO2 Status
TCO1 Control
TCO2 Control
TCO Message 1 and 2
Watchdog Control
—
Reserved
Software IRQ Generation
—
Reserved
TCO Timer Initial Value
—
Reserved
Attribute:
Size:
Power Well:
Description
LPC Interface Bridge Registers (D31:F0)
Default
Type
0000h
R/W
00h
R/W
00h
R/W
0000h
R/WC, RO
0000h
R/W, R/WC
R/W,
R/W
0000h
(special),
R/WC
0008h
R/W
00h
R/W
00h
R/W
—
—
11h
R/W
—
—
0004h
R/W
—
—
R/W
16-bit
Core
®
Intel
ICH7 Family Datasheet
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