am79c972b Advanced Micro Devices, am79c972b Datasheet - Page 42
am79c972b
Manufacturer Part Number
am79c972b
Description
Pcnet?-fast+ Enhanced 10/100 Mbps Pci Ethernet Controller With Onnow Support
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C972B.pdf
(130 pages)
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42
DEVSEL
FRAME
DEVSEL
FRAME
TRDY
C/BE
IRDY
GNT
CLK
PAR
REQ
TRDY
PERR
C/BE
IRDY
AD
Figure 22. Master Cycle Data Parity Error Response
CLK
PAR
AD
1
DEVSEL is sampled
1
DEVSEL is sampled
2
2
Figure 21. Master Abort
ADDR
0111
ADDR
0111
3
3
Am79C972
PAR
PAR
4
4
BE
5
5
DATA
0000
DATA
6
6
PAR
PAR
7
7
8
8
9
9
21485C-24
21485C-25