LPC Interface Bridge Registers (D31:F0)
462 Datasheet
13.1.25 GEN3_DEC—LPC I/F Generic Decode Range 3 Register
(LPC I/F—D31:F0)
Offset Address: 8Ch – 8Eh Attribute: R/W
Default Value: 00000000h Size: 32 bit
Power Well: Core
Bit Description
31:24 Reserved
23:18
Generic I/O Decode Range Address[7:2] Mask — R/W. 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.
17:16 Reserved
15:2
Generic I/O Decode Range 3 Base Address (GEN3_BASE) — R/W.
NOTE: The PCH Does not provide decode down to the word or byte level
1 Reserved
0
Generic Decode Range 3 Enable (GEN3_EN) — R/W.
0 = Disable.
1 = Enable the GEN3 I/O range to be forwarded to the LPC I/F
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