LAN83C175 Datasheet, PDF (59/92 Pages) SMSC Corporation – Ethernet CARDBUS Integrated Controller With Modem Support

CardBus Configuration Registers
The following table shows the address
mapping for the LAN83C175 configuration
registers.
Registers are byte, word or dword accessible
(reads always return all four bytes).
Table 3 - CardBus Configuration Registers
31
16 15
0
00
Device ID
Vendor ID
04
Status
Command
08
Class Code
Rev ID
0C
Unused
HDR Type
LAT Timer
Unused
10
I/O Base Address
14
Memory Base Address
18
Unused
1C
Unused
20
Unused
24
Unused
28
CIS Pointer
2C
Subsystem ID
Subsystem Vendor ID
30
Expansion ROM Base Address
34
Reserved
38
Reserved
3C
Max Lat.
Min Gnt.
Int. Pin
Int. Line
40
.
Unused
.
.
FF
Note: All unused and reserved registers return zeroes when read. Writes to unused and reserved
registers are ignored.
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