KSZ8842-16MQL Micrel Inc, KSZ8842-16MQL Datasheet - Page 8

• Manufacturer Part Number: KSZ8842-16MQL
• Description: IC SWITCH 10/100 16BIT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8842-16MQL

• Data Rate: 100Mbps
• Controller Type: Ethernet Switch Controller
• Interface: PCI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• No. Of Ports: 1
• Ethernet Type: IEEE 802.3u
• Supply Current: 122mA
• Supply Voltage Range: 3.1V To 3.5V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: QFP
• No. Of: RoHS Compliant
• 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
• Interface Type: PCI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1634 - BOARD EVALUATION KSZ8842-16MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1478-5

List of Figures
Figure 1. KSZ8842M Functional Diagram ..................................................................................................................................... 1
Figure 2. Standard – KSZ8842-16 MQL 128-Pin PQFP (Top View)............................................................................................ 10
Figure 3. Option – KSZ8842-16 MVL 128-Pin LQFP (Top View) ................................................................................................ 10
Figure 4. Standard – KSZ8842-32 MQL 128-Pin PQFP (Top View)............................................................................................ 16
Figure 5. Option – KSZ8842-32 MVL 128-Pin LQFP (Top View) ................................................................................................ 16
Figure 6. Typical Straight Cable Connection ............................................................................................................................... 23
Figure 7. Typical Crossover Cable Connection ........................................................................................................................... 24
Figure 8. Auto Negotiation and Parallel Operation ...................................................................................................................... 25
Figure 9. Destination Address Lookup Flow Chart in Stage One ................................................................................................ 27
Figure 10. Destination Address Resolution Flow Chart in Stage Two ......................................................................................... 28
Figure 11. Mapping from ISA-like, EISA-like, and VLBus-like transactions to the KSZ8842M Bus ............................................. 34
Figure 12. KSZ8842M 8-Bit, 16-Bit, and 32-Bit Data Bus Connections ....................................................................................... 34
Figure 13. 802.1p Priority Field Format ....................................................................................................................................... 41
Figure 14. Port 2 Far-End Loopback Path ................................................................................................................................... 44
Figure 15. Port 1 and port 2 Near-End (Remote) Loopback Path................................................................................................ 44
Figure 16. Asynchronous Cycle – ADSN = 0............................................................................................................................. 110
Figure 17. Asynchronous Cycle – Using ADSN......................................................................................................................... 111
Figure 18. Asynchronous Cycle – Using DATACSN ................................................................................................................. 112
Figure 19. Address Latching Cycle for All Modes...................................................................................................................... 113
Figure 20. Synchronous Burst Write Cycles – VLBUSN = 1...................................................................................................... 114
Figure 21. Synchronous Burst Read Cycles – VLBUSN = 1 ..................................................................................................... 115
Figure 22. Synchronous Write Cycle – VLBUSN = 0................................................................................................................. 116
Figure 23. Synchronous Read Cycle – VLBUSN = 0................................................................................................................. 117
Figure 24. EEPROM Read Cycle Timing Diagram .................................................................................................................... 118
Figure 25. Auto-Negotiation Timing........................................................................................................................................... 119
Figure 26. Reset Timing ............................................................................................................................................................ 120
Figure 27. 128-Pin PQFP Package ........................................................................................................................................... 122
Figure 28. Optional 128-Pin LQFP Package ............................................................................................................................. 123
Micrel Confidential
November 2005
8
KSZ8842-16/32 MQL/MVL
Rev. 1.4