am79c930 Advanced Micro Devices, am79c930 Datasheet - Page 67

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

*IOBA = ISA Plug and Play I/O Base Address
**X = Don’t Care
Auto-Configuration Port
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
Device does not respond
to these accesses
Impossible programming of
SIR1 bits (SIR1[2] = 0
always in ISA Plug
and Play mode)
Plug and Play ADDRESS
Auto-Configuration Port
Plug and Play WRITE_DATA
Auto-Configuration Port
Plug and Play READ_DATA
Am79C930 Device ISA Plug And Play Mode I/O MAP
SIR6: DPUM
SIR7: DPUU
SIR3: LMAU
SIR5: DPLM
SIR2: LMAL
SIR4: DPLL
Mnemonic
SIR0: GCR
SIR1: BSS
PPWD
PPRD
PPA
na
–
–
–
–
–
P R E L I M I N A R Y
0203h – 03FFh
IOBA+0008h –
IOBA+0008h –
IOBA+0008h –
IOBA+0008h –
IOBA+0010h –
IOBA*+0000h
IOBA+000Fh
IOBA+000Fh
IOBA+000Fh
0A79h (fixed)
IOBA+0001h
IOBA+0002h
IOBA+0003h
IOBA+0004h
IOBA+0005h
IOBA+0006h
IOBA+0007h
IOBA+0027h
0279h (fixed)
IOBA+000Fh
I/O address
(write only)
(write only)
Am79C930
ISA
na
(READ ONLY)
(relocatable)
Bits [2:0]
XXX**
SIR1
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
0XX
1XX
000
001
010
011
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
1 byte
1 byte
Size
NA
NA
Play register set
to ISA Plug and
Indirect access
Indirect access
Flash memory
Indirect access
Indirect access
indirect access
Flash memory
Flash memory
Flash memory
Location of
to SRAM or
to SRAM or
to SRAM or
to SRAM or
Resource
Physical
BIU
BIU
BIU
BIU
BIU
BIU
TAI
TAI
TAI
TAI
na
na
AMD
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