am79c850 Advanced Micro Devices, am79c850 Datasheet - Page 22

• Manufacturer Part Number: am79c850
• Description: Supernet-r 3
• Manufacturer: Advanced Micro Devices

22
MEIND[1:0]
C_BIT - C bit in the End Delimiter
x - Don’t care condition.
NM - Not modified by the MAC
where,
MEIND[1:0] Bit 4 and 5 of MDREG3
OSM - Bit 14-12 of MDREG1
EN_XACT - Bit 2 of MDREG3
XDA_XACT - Pin 113, is an active low signal. “1” indicates signal is active and “0” indicates signal is inactive
XDA - Pin 114, is an active low signal. “1” indicates signal is active and “0” indicates signal is inactive.
DA_INT - Internal DA match signal
A_FLAG - DA Match Flag
C_FLAG - Frame Copied Flag
A_BIT - A bit in the End Delimiter
AMD
00
00
00
00
00
00
01
01
01
01
01
01
01
10
10
10
10
10
10
10
11
OSM
0
0
0
1
1
1
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
EN_XACT
0
0
0
1
1
1
1
0
0
0
1
1
1
1
x
x
x
x
x
x
x
XDA_XACT
0
1
0
1
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
P R E L I M I N A R Y
SUPERNET 3
XDA
0
x
1
0
x
1
0
x
1
0
x
1
1
0
x
1
0
x
1
1
x
DA_INT
0
1
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
1
0
0
x
A_FLAG
0
1
1
0
1
0
0
1
1
0
1
0
1
0
1
0
0
1
0
1
0
C_FLAG
0
1
1
0
1
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
0
A_BIT
NM
NM
NM
NM
NM
NM
NM
NM
NM
NM
NM
1
1
1
1
1
1
1
1
1
1
C_BIT
NM
NM
NM
NM
NM
NM
NM
1
1
1
1
1
1
1
1
1
1
1
1
1
1