AM79C976 Advanced Micro Devices, AM79C976 Datasheet - Page 53

• Manufacturer Part Number: AM79C976
• Description: PCnet-PRO 10/100 Mbps PCI Ethernet Controller
• Manufacturer: Advanced Micro Devices

When SWSTYLE is set to 3, 4, or 5 the descriptor en-
tries are ordered to allow burst transfers, and the
Am79C976 controller will perform all descriptor read
8/01/00
DEVSEL
FRAME
TRDY
C/BE
IRDY
REQ
GNT
PAR
CLK
AD
1
DEVSEL is sampled
2
0110
MD1
P R E L I M I N A R Y
3
PAR
4
0000
Am79C976
DATA
5
operations in burst mode. The device may read more
than one descriptor in a single burst. See Figure 23.
PAR
6
0110
MD0
7
PAR
8
0000
DATA
9
PAR
10
22929B24
53