KS8842-32MQL Micrel Inc, KS8842-32MQL Datasheet - Page 40

• Manufacturer Part Number: KS8842-32MQL
• Description: IC SWITCH 10/100 32BIT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8842-32MQL

• 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: 576-1459

Micrel, Inc.
October 2007
HA[15:2]
HD[7:0]
HA[1]
HA[0]
VDD
Figure 12. Mapping from ISA-like, EISA-like, and VLBus-like transactions to the KSZ8842M Bus
EISA
VLBus
ISA
8-bit Data Bus
Non-burst
KSZ8842-16
A[1]
A[15:2]
D[7:0]
D[15:8]
BE0N
BE1N
Figure 13. KSZ8842M 8-Bit, 16-Bit, and 32-Bit Data Bus Connections
Burst
Glue Logic
Glue Logic
Glue Logic
Glue Logic
HA[15:2]
HD[15:8]
HD[7:0]
nSBHE
HA[1]
HA[0]
(for example: ISA-like)
40
16-bit Data Bus
Note: To use DATACSN & 32-bit only for Central decode
KSZ8842-16
A[1]
A[15:2]
D[7:0]
D[15:8]
BE0N
BE1N
No Addr Latch
(ADSN = 0)
Address Latch
Central decode
Central decode
(VLBUSN = 1)
Address Latch
KSZ8842M BIU
HD[23:16]
HD[31:24]
HD[15:8]
HA[15:2]
nHBE[0]
nHBE[1]
nHBE[2]
nHBE[3]
HD[7:0]
Local
decode
(VLBUSN = 0)
KSZ8842-16/32 MQL/MVL/MVLI/MBL
GND
Local
decode
(for example: EISA-like)
32-bit Data Bus
Asynchronous
Synchronous
Interface
Interface
A[1]
A[15:2]
BE0N
BE1N
BE2N
BE3N
KSZ8842-32
D[7:0]
D[15:8]
D[23:16]
D[31:24]
M9999-102207-1.9