AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 51
AM79C971VCW
Manufacturer Part Number
AM79C971VCW
Description
PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C971VCW.pdf
(265 pages)
DEVSEL
FRAME
TRDY
IRDY
C/BE
REQ
GNT
PAR
CLK
AD
Figure 27. Descriptor Ring Write In Non-Burst Mode
DEVSEL
FRAME
Figure 28. Descriptor Ring Write In Burst Mode
TRDY
IRDY
C/BE
REQ
GNT
PAR
CLK
AD
1
DEVSEL is sampled
1
DEVSEL is sampled
2
0111
MD2
2
3
0110
MD2
PAR
3
Am79C971
4
0000
DATA
PAR
4
0000
5
PAR
DATA
5
6
0111
MD1
PAR
6
7
0011
DATA
PAR
7
0011
8
DATA
PAR
9
8
PAR
10
20550D-31
20550D-30
51
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