AM79C940JC/W AMD [Advanced Micro Devices], AM79C940JC/W Datasheet - Page 83
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AM79C940JC/W
Manufacturer Part Number
AM79C940JC/W
Description
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C940JCW.pdf
(144 pages)
- Current page: 83 of 144
- Download datasheet (2Mb)
NETWORK INTERFACES
External Address Detection Interface
(EADI)
The External Address Detection Interface can be used
to implement alternative address recognition schemes
outside the MACE device, to complement the physical,
logical and promiscuous detection supported internally.
SRDCLK
EAM/R
SF/BD
EADI
SRD
Pins
EADI Feature - Simple External CAM Interface
Block
Logic
SER
SRCK
RCK
Q H’
SER
SRCK
RCK
Q H’
74LS595
74LS595
Q H-A
Q H-A
MTCH
Am99C10
D15-D0
The address matching, and the support logic neces-
sary to capture and present the relevant data to the ex-
ternal table of address is application specific. Note that
since the entire 802.3 packet after SFD is made avail-
able, recognition is not limited to the destination ad-
d r e s s a n d / o r t y p e f i e l d s ( E t h e r n e t o n l y ) .
Inter-networking protocol recognition can be performed
on specific header or LLC information fields.
B8-B1
B8-B1
74LS245
74LS245
A8-A1
A8-A1
Programming
Interface
16235D-13
CAM
Databus
Databus
83
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