KS8842-16MQL Micrel Inc, KS8842-16MQL Datasheet - Page 9
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KS8842-16MQL
Manufacturer Part Number
KS8842-16MQL
Description
IC SWITCH 10/100 16BIT 128PQFP
Manufacturer
Micrel Inc
Specifications of KS8842-16MQL
Applications
*
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)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.5V
Operating Supply Voltage (min)
3.1V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
KS8842-PMQL-EVAL - EVAL KIT EXPERIMENTAL KS8842KS8842-16MQL-EVAL - EVAL KIT EXPERIMENTAL KS8842
Lead Free Status / RoHS Status
Not Compliant, Lead free / RoHS Compliant
Other names
576-1458
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
List of Figures
Figure 1. KSZ8842M Functional Diagram ..................................................................................................................................... 1
Figure 2. Standard – KSZ8842-16 MQL 128-Pin PQFP (Top View)............................................................................................ 11
Figure 3. Option – KSZ8842-16 MVL 128-Pin LQFP (Top View) ................................................................................................ 11
Figure 4. KSZ8842-16MBL 100-Ball LFBGA (Top View)............................................................................................................. 12
Figure 5. Standard – KSZ8842-32 MQL 128-Pin PQFP (Top View)............................................................................................ 22
Figure 6. Option – KSZ8842-32 MVL 128-Pin LQFP (Top View) ................................................................................................ 22
Figure 7. Typical Straight Cable Connection ............................................................................................................................... 29
Figure 8. Typical Crossover Cable Connection ........................................................................................................................... 30
Figure 9. Auto Negotiation and Parallel Operation ...................................................................................................................... 31
Figure 10. Destination Address Lookup Flow Chart in Stage One .............................................................................................. 33
Figure 11. Destination Address Resolution Flow Chart in Stage Two ......................................................................................... 34
Figure 12. Mapping from ISA-like, EISA-like, and VLBus-like transactions to the KSZ8842M Bus ............................................. 40
Figure 13. KSZ8842M 8-Bit, 16-Bit, and 32-Bit Data Bus Connections....................................................................................... 40
Figure 14. 802.1p Priority Field Format ....................................................................................................................................... 47
Figure 15. Port 2 Far-End Loopback Path ................................................................................................................................... 50
Figure 16. Port 1 and port 2 Near-End (Remote) Loopback Path................................................................................................ 50
Figure 17. Asynchronous Cycle – ADSN = 0............................................................................................................................. 124
Figure 18. Asynchronous Cycle – Using ADSN......................................................................................................................... 125
Figure 19. Asynchronous Cycle – Using DATACSN ................................................................................................................. 126
Figure 20. Address Latching Cycle for All Modes...................................................................................................................... 127
Figure 21. Synchronous Burst Write Cycles – VLBUSN = 1...................................................................................................... 128
Figure 22. Synchronous Burst Read Cycles – VLBUSN = 1 ..................................................................................................... 129
Figure 23. Synchronous Write Cycle – VLBUSN = 0................................................................................................................. 130
Figure 24. Synchronous Read Cycle – VLBUSN = 0................................................................................................................. 131
Figure 25. EEPROM Read Cycle Timing Diagram .................................................................................................................... 132
Figure 26. Auto-Negotiation Timing........................................................................................................................................... 133
Figure 27. Reset Timing ............................................................................................................................................................ 134
Figure 28. 128-Pin PQFP Package.Figure 29. Optional 128-Pin LQFP Package .................................................................... 136
Figure 29. Optional 128-Pin LQFP Package ............................................................................................................................. 137
Figure 30. Optional 100-Ball LFBGA Package .......................................................................................................................... 138
Micrel, Inc.
October 2007
9
KSZ8842-16/32 MQL/MVL/MVLI/MBL
M9999-102207-1.9