KS8842-32MQL Micrel Inc, KS8842-32MQL Datasheet - Page 86

• 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

Bank 41 TOS Priority Control Register 8 (0x02): TOSR8
This register contains the TOS priority control for the switch function.
Bank 42 Indirect Access Control Register (0x00): IACR
This register contains the indirect control for the switch function.
Note: Write IACR triggers a command. Read or write access is determined by Register bit 12.
Micrel, Inc.
Bit
15-14
13-12
11-10
9-8
7-6
5-4
3-2
1-0
Bit
15-13
12
11-10
9-0
October 2007
Default
0
0
0
Default
0x0
0
0
0
0
0
0
0x0
0x000
R/W
RW
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RW
RW
RW
RW
Description
DSCP[127:126]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xfc
DSCP[125:124]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xf8.
DSCP[123:122]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xf4.
DSCP[121:120]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xf0.
DSCP[119:118]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xec.
DSCP[117:116]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xe8.
DSCP[115:114]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xe4.
DSCP[113:112]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0xe0.
Description
Reserved
Read High. Write Low
1 = read cycle.
0 = write cycle.
Table Select
00 = static MAC address table selected.
01 = VLAN table selected.
10 = dynamic address table selected.
11 = MIB counter selected.
Indirect Address
Bit 9-0 of indirect address.
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KSZ8842-16/32 MQL/MVL/MVLI/MBL
M9999-102207-1.9