KSZ8842-PMQLI Micrel Inc, KSZ8842-PMQLI Datasheet - Page 4
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KSZ8842-PMQLI
Manufacturer Part Number
KSZ8842-PMQLI
Description
2-Port Ethernet Switch/Repeater + 32-bit/33MHz PCI Bus Interface, Ind Temp ( )
Manufacturer
Micrel Inc
Specifications of KSZ8842-PMQLI
Controller Type
Ethernet Switch Controller
Interface
PCI
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
2
Internal Memory Buffer Size
32
Operating Supply Voltage (typ)
3.3V
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog/Digital
Package Type
PQFP
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.5V
Operating Supply Voltage (min)
3.1V
Operating Temperature Classification
Industrial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1636 - BOARD EVALUATION KSZ8842-PMQL
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-2121
KSZ8842-PMQLI
KSZ8842-PMQLI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8842-PMQLI
Manufacturer:
TI
Quantity:
3 100
Micrel, Inc.
Contents
Pin Configuration .............................................................................................................................................................. 9
Pins Description of KSZ8842-PMQL.............................................................................................................................. 11
Functional Description ................................................................................................................................................... 20
Functional Overview: PCI Bus Interface Unit............................................................................................................... 20
Functional Overview: Physical Layer Transceiver (PHY) ........................................................................................... 20
Functional Overview: MAC and Switch......................................................................................................................... 25
Advanced Switch Functions .......................................................................................................................................... 29
October 2007
PCI Bus Interface.......................................................................................................................................................... 20
TXDMA Logic and TX Buffer Manager ......................................................................................................................... 20
RXDMA Logic and RX Buffer Manager ........................................................................................................................ 20
100BASE-TX Transmit.................................................................................................................................................. 20
100BASE-TX Receive................................................................................................................................................... 20
PLL Clock Synthesizer (Recovery) ............................................................................................................................... 21
Scrambler/De-scrambler (100BASE-TX Only).............................................................................................................. 21
10BASE-T Transmit ...................................................................................................................................................... 21
10BASE-T Receive ....................................................................................................................................................... 21
Power Management...................................................................................................................................................... 21
MDI/MDI-X Auto Crossover .......................................................................................................................................... 21
Auto Negotiation ........................................................................................................................................................... 23
LinkMD Cable Diagnostics............................................................................................................................................ 24
Address Lookup ............................................................................................................................................................ 25
Learning ........................................................................................................................................................................ 25
Migration ....................................................................................................................................................................... 25
Aging ............................................................................................................................................................................. 25
Forwarding .................................................................................................................................................................... 26
Switching Engine .......................................................................................................................................................... 27
MAC Operation ............................................................................................................................................................. 28
Inter Packet Gap (IPG) ................................................................................................................................................. 28
Back-Off Algorithm........................................................................................................................................................ 28
Late Collision ................................................................................................................................................................ 28
Illegal Packet Size......................................................................................................................................................... 28
Flow Control.................................................................................................................................................................. 28
Half-Duplex Backpressure ............................................................................................................................................ 28
Broadcast Storm Protection .......................................................................................................................................... 29
Repeater Mode ............................................................................................................................................................. 29
Clock Generator............................................................................................................................................................ 29
Spanning Tree Support................................................................................................................................................. 29
IGMP Support ............................................................................................................................................................... 30
IPv6 MLD Snooping ...................................................................................................................................................... 30
Port Mirroring Support................................................................................................................................................... 30
IEEE 802.1Q VLAN Support ......................................................................................................................................... 31
QoS Priority Support ..................................................................................................................................................... 31
Port-Based Priority........................................................................................................................................................ 31
802.1p-Based Priority ................................................................................................................................................... 32
DiffServ based Priority .................................................................................................................................................. 32
Rate Limiting Support ................................................................................................................................................... 32
MAC Filtering Function ................................................................................................................................................. 33
Straight Cable....................................................................................................................................................... 22
Crossover Cable................................................................................................................................................... 23
Access.................................................................................................................................................................. 24
Usage ................................................................................................................................................................... 25
“IGMP” Snooping.................................................................................................................................................. 30
“Multicast Address Insertion” in the Static MAC Table......................................................................................... 30
4
KSZ8842-PMQL/PMBL
M9999-100207-1.5