KSZ8893FQL-FX Micrel Inc, KSZ8893FQL-FX Datasheet - Page 67

• Manufacturer Part Number: KSZ8893FQL-FX
• Description: 2+1 Port 10/100 Switch W/Tranceivers & Frame Buffers, ( )
• Manufacturer: Micrel Inc

Specifications of KSZ8893FQL-FX

• Controller Type: Ethernet Switch Controller
• Interface: MII, RMII, SNI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Data Rate: 1000Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1603 - EVAL KIT EXPERIMENTAL KSZ8893MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3273

Micrel, Inc.
Port Registers
The following registers are used to enable features that are assigned on a per port basis. The register bit assignments
are the same for all ports, but the address for each port is different, as indicated.
Register 16 (0x10): Port 1 Control 0
Register 32 (0x20): Port 2 Control 0
Register 48 (0x30): Port 3 Control 0
October 2007
4-3
Bit
7
6
5
2
1
0
Name
Broadcast Storm
Protection Enable
DiffServ Priority
Classification Enable
802.1p Priority
Classification Enable
Port-based Priority
Classification
Tag Insertion
Tag Removal
TX Multiple Queues
Select Enable
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
1 = Enable broadcast storm protection for ingress packets on
port
0 = Disable broadcast storm protection
1 = Enable DiffServ priority classification for ingress packets
(IPv4 and IPv6) on port
0 = Disable DiffServ function
1 = Enable 802.1p priority classification for ingress packets on
port
0 = Disable 802.1p
00 = Ingress packets on port will be classified as priority 0
queue if “Diffserv” or “802.1p” classification is not enabled or
fails to classify.
01 = Ingress packets on port will be classified as priority 1
queue if “Diffserv” or “802.1p” classification is not enabled or
fails to classify.
10 = Ingress packets on port will be classified as priority 2
queue if “Diffserv” or “802.1p” classification is not enabled or
fails to classify.
11 = Ingress packets on port will be classified as priority 3
queue if “Diffserv” or “802.1p” classification is not enabled or
fails to classify.
Note: “DiffServ”, “802.1p” and port priority can be enabled at
the same time. The OR’ed result of 802.1p and DSCP
overwrites the port priority.
1 = When packets are output on the port, the switch will add
802.1p/q tags to packets without 802.1p/q tags when received.
The switch will not add tags to packets already tagged. The
tag inserted is the ingress port’s “port VID”.
0 = Disable tag insertion
1 = When packets are output on the port, the switch will
remove 802.1p/q tags from packets with 802.1p/q tags when
received. The switch will not modify packets received without
tags.
0 = Disable tag removal
1 = The port output queue is split into four priority queues.
0 = Single output queue on the port. There is no priority
differentiation even though packets are classified into high or
low priority.
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M9999-101607-1.3
KSZ8893FQL
Default
00
0
0
0
0
0
0