307013-003 Datasheet, PDF (385/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

LPC Interface Bridge Registers (D31:F0)
10.2 DMA I/O Registers (LPC I/F—D31:F0)
Table 10-2. DMA Registers (Sheet 1 of 2)
Port
Alias
Register Name
00h
01h
02h
03h
04h
05h
06h
07h
08h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
80h
81h
82h
83h
84h–86h
87h
88h
89h
8Ah
8Bh
8Ch–8Eh
8Fh
C0h
C2h
C4h
C6h
C8h
CAh
CCh
10h
11h
12h
13h
14h
15h
16h
17h
18h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
90h
91h
—
93h
94h–96h
97h
98h
99h
9Ah
9Bh
9Ch–9Eh
9Fh
C1h
C3h
C5h
C7h
C9h
CBh
CDh
Channel 0 DMA Base & Current Address
Channel 0 DMA Base & Current Count
Channel 1 DMA Base & Current Address
Channel 1 DMA Base & Current Count
Channel 2 DMA Base & Current Address
Channel 2 DMA Base & Current Count
Channel 3 DMA Base & Current Address
Channel 3 DMA Base & Current Count
Channel 0–3 DMA Command
Channel 0–3 DMA Status
Channel 0–3 DMA Write Single Mask
Channel 0–3 DMA Channel Mode
Channel 0–3 DMA Clear Byte Pointer
Channel 0–3 DMA Master Clear
Channel 0–3 DMA Clear Mask
Channel 0–3 DMA Write All Mask
Reserved Page
Channel 2 DMA Memory Low Page
Channel 3 DMA Memory Low Page
Channel 1 DMA Memory Low Page
Reserved Pages
Channel 0 DMA Memory Low Page
Reserved Page
Channel 6 DMA Memory Low Page
Channel 7 DMA Memory Low Page
Channel 5 DMA Memory Low Page
Reserved Page
Refresh Low Page
Channel 4 DMA Base & Current Address
Channel 4 DMA Base & Current Count
Channel 5 DMA Base & Current Address
Channel 5 DMA Base & Current Count
Channel 6 DMA Base & Current Address
Channel 6 DMA Base & Current Count
Channel 7 DMA Base & Current Address
Default Type
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
000001XXb
000000XXb
Undefined
Undefined
Undefined
0Fh
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
WO
RO
WO
WO
WO
WO
WO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Intel ^® ICH7 Family Datasheet
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