Applications
MU9C8338A 10/100Mb Ethernet Filter Interface
APPLICATIONS
Cascading of LANCAMs
The MUSIC MU9Cx480B LANCAM family can be
vertically cascaded to allow long station lists to be
implemented. The MU9C8338A LANCAM interface
timing allows up to four LANCAMs to be cascaded as
shown in Figure 6.
/FI and /MI inputs respectively. When cascading
LANCAMs, a match flag ripple delay is introduced. Care
must be taken to ensure that the tMIVKH setup time is
satisfied in multiple LANCAM designs. Please refer to the
LANCAM B Family Data Sheet for a comprehensive
description of the device and how to calculate the ripple
delay.
When LANCAMs are cascaded in this way, the system
Full and Match flags are connected to the MU9C8338A
DQ[15:0]
/E
Vdd
Gnd
/MI
/FI
/W
CAM 0
/FF
/CM
/EC
/MF
/MI
/RESET
DQ[15:0]
/E
/FI
/W
CAM 1
/FF
/CM
/EC
/MF
/MI
/RESET
DQ[15:0]
/E
/FI
/W
CAM 2
/FF
/CM
/EC
/MF
/MI
/RESET
DQ[15:0]
/E
/FI
/W
CAM 3
/FF
System Full Flag
/CM
/EC
/MF
/RESET
System Match Flag
Figure 6: LANCAM Cascading
19
Rev. 0a
MUSIC [ MUSIC SEMICONDUCTORS ]
