876784 Intel, 876784 Datasheet - Page 375
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
Lead Free Status / RoHS Status
Compliant
- Current page: 375 of 848
- Download datasheet (7Mb)
LPC Interface Bridge Registers (D31:F0)
10.1.22
10.1.23
Intel
®
ICH7 Family Datasheet
GEN1_DEC—LPC I/F Generic Decode Range 1 Register
(LPC I/F—D31:F0)
Offset Address: 84h
Default Value:
GEN2_DEC—LPC I/F Generic Decode Range 2Register
(LPC I/F—D31:F0)
Offset Address: 88h
Default Value:
31:24
23:18
31:24
23:18
17:16
17:16
15:2
15:2
Bit
Bit
1
0
1
0
Reserved
Generic I/O Decode Range Address[7:2] Mask: A ‘1’ in any bit position indicates
that any value in the corresponding address bit in a received cycle will be treated as a
match. The corresponding bit in the Address field, below, is ignored. The mask is only
provided for the lower 6 bits of the DWord address, allowing for decoding blocks up to
256 bytes in size.
Reserved
Generic I/O Decode Range 1 Base Address (GEN1_BASE) — R/W. This address is
aligned on a 128-byte boundary, and must have address lines 31:16 as 0.
NOTE: The Intel
Reserved
Generic Decode Range 1 Enable (GEN1_EN) — R/W.
0 = Disable.
1 = Enable the GEN1 I/O range to be forwarded to the LPC I/F
Reserved
Generic I/O Decode Range Address[7:2] Mask: A ‘1’ in any bit position indicates
that any value in the corresponding address bit in a received cycle will be treated as a
match. The corresponding bit in the Address field, below, is ignored. The mask is only
provided for the lower 6 bits of the DWord address, allowing for decoding blocks up to
256 bytes in size.
Reserved
Generic I/O Decode Range 2Base Address (GEN1_BASE) — R/W.
NOTE: The Intel
Reserved
Generic Decode Range 2Enable (GEN2_EN) — R/W.
0 = Disable.
1 = Enable the GEN2 I/O range to be forwarded to the LPC I/F
00000000h
00000000h
–
–
®
®
87h
8Bh
ICH7 does not provide decode down to the word or byte level.
ICH7 does not provide decode down to the word or byte level.
Description
Description
Attribute:
Size:
Power Well:
Attribute:
Size:
Power Well:
R/W
32 bit
Core
R/W
32 bit
Core
375
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