DS33X81+ Maxim Integrated Products, DS33X81+ Datasheet - Page 48

• Manufacturer Part Number: DS33X81+
• Description: IC MAPPING ETHERNET 256CSBGA
• Manufacturer: Maxim Integrated Products

Specifications of DS33X81+

• Applications: Data Transport
• Interface: Parallel/Serial
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Package / Case: 256-CSBGA
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 8-7. Forwarding Mode 5: Full LAN-to-WAN and WAN-to-LAN VLAN Forwarding
Rev: 063008
WAN Ports
________________________________________________ DS33X162/X161/X82/X81/X42/X41/X11/W41/W11
Port 10
Port 11
Port 12
Port 13
Port 14
Port 15
Port 16
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 9
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
TRANSMIT:
The 16 Serial Ports
are assigned to the
four Encapsulator
WAN Groups with
VCAT.TCR3.TVGS
RECEIVE:
The 16 Serial Ports
are assigned to the
four Decapsulator
WAN Groups with
VCAT.RCR4.RVGS
Note: Frames in
each pair of WAN
groups are
scheduled by a
round-robin
scheduler.
WAN
Group 1
WAN
Group
WAN
Group
WAN
Group 4
LAN Queue 13
WAN Insert
LAN Queue 1
LAN Queue 5
LAN Queue 9
3
2
Queue
LAN Queue 10-P2
LAN Queue 14-P2
Priority 1
Priority 1
Priority 1
Priority 1
Priority Lookup Table
LAN Queue 2-P2
LAN Queue 6-P2
LAN Queue 11-P3
LAN Queue 15-P3
Decapsulator #1 WAN Trap
Decapsulator #3 WAN Trap
LAN Queue 3-P3
LAN Queue 7-P3
LAN Queue 12-P4
LAN Queue 16-P4
LAN Queue 4-P4
LAN Queue 8-P4
Lookup Table
WAN Extract
VLAN (VID)
Queue
LAN Extract
Queue
Frames from
MAC 1 are sent to
WAN groups 1 or 2
based on VID.
Frames from MAC 2
are sent to WAN
on the VLAN TAG
Groups 3 or 4. All
forwarded based
are scheduled
Interface are
by Priority
the Ethernet
toward
(802.1p or
Frames
DSCP)
LAN Ports
LAN Insert
Queue
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