AM79C978A AMD [Advanced Micro Devices], AM79C978A Datasheet - Page 97
![no-image](/images/no-image-200.jpg)
AM79C978A
Manufacturer Part Number
AM79C978A
Description
Single-Chip 1/10 Mbps PCI Home Networking Controller
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C978A.pdf
(256 pages)
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Table 29. I/O Map in DWord I/O Mode (DWIO = 1)
00h - 0Fh
Offset
1Ch
10h
14h
18h
No. of Bytes
16
4
4
4
4
RAP (shared by RDP and
Reset Register
Register
APROM
BDP)
RDP
BDP
Am79C978A
Table 30. Legal I/O Accesses in Double Word I/O
AD[4:0]
0XX00
0XX00
10000
10100
11000
10000
10100
11000
BE[3:0]
0000
0000
0000
0000
0000
0000
0000
0000
Mode (DWIO =1)
Type
WR
WR
WR
WR
RD
RD
RD
RD
DWord read of APROM
locations 3h (MSB) to 0h
(LSB),
7h to 4h, Bh to 8h, or Fh to
Ch
DWord read of RDP
DWord read of RAP
DWord read of Reset
Register
DWord write to APROM
locations 3h (MSB) to 0h
(LSB),
7h to 4h, Bh to 8h, or Fh to
Ch
DWord write to RDP
DWord write to RAP
DWord write to Reset
Register
Comment
97
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