am79c930 Advanced Micro Devices, am79c930 Datasheet - Page 63

• Manufacturer Part Number: am79c930
• Description: Pcnet-mobile Single-chip Wireless Lan Media Access Controller
• Manufacturer: Advanced Micro Devices

The following table indicates the mapping of all I/O re-
sources that are accessible through the Am79C930
PCMCIA system interface. Note that some resources
ISA Plug and Play Mode Resources
The Am79C930 device fully supports the ISA Plug
and Play specification, revision 1.0a, including the
Plug and Play ADDRESS Auto-configuration port,
WRITE_DATA Auto-configuration port, READ_DATA
Auto-configuration port, and 19 of the Plug and Play
Resource
Name
SIR0: General
Configuration Register
SIR1: Bank Switching
Select Register
SIR2: Local Memory
Address [7:0]
SIR3: Local Memory
Address [14:8]
SIR4: I/O Data
Port[7:0]
SIR5: I/O Data
Port[15:8]
SIR6: I/O Data
Port [23:16]
SIR7: I/O Data
Port [31:24]
TIR 0–7
TIR 8–15
TIR 16–23
TIR 24–31
UNDEFINED
TIR 0–31
UNDEFINED
*X = Don’t Care
SIR6: DPUM
SIR3: LMAU
SIR5: DPLM
SIR2: LMAL
SIR4: DPLL
SIR7: DPUU
Mnemonic
SIR0: GCR
SIR1: BSS
Resource
Am79C930 Device PCMCIA Mode I/O MAP
–
–
–
–
–
–
–
P R E L I M I N A R Y
I/O Address
08h – 0Fh
08h – 0Fh
08h – 0Fh
08h – 0Fh
10h – 3Fh
08h – 27h
28h – 3Fh
PCMCIA
07h
00h
01h
02h
03h
04h
06h
05h
Am79C930
are physically located within the BIU, while others are lo-
cated in the TAI and still others exist as external Flash
and SRAM:
configuration registers, as well as providing a mecha-
nism for access to Flash memory for reading the
Am79C930 device’s Plug and Play Resource Data.
The following table indicates the range of I/O and mem-
ory addresses to which the Am79C930 device will re-
spond when operating in the ISA Plug and Play mode.
SIR1[2:0]
XXX*
XXX
XXX
XXX
XXX
XXX
XXX
0XX
1XX
XXX
000
001
010
011
1X
each location
each location
each location
each location
each location
Resource
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
Size
NA
NA
Physical Location
Indirect access to
Indirect access to
Indirect access to
Indirect access to
SRAM or Flash
SRAM or Flash
SRAM or Flash
SRAM or Flash
of Resource
UNDEFINED
UNDEFINED
memory
memory
memory
memory
BIU
BIU
BIU
BIU
TAI
TAI
TAI
TAI
TAI
AMD
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