KS8993M Micrel Inc, KS8993M Datasheet - Page 57

• Manufacturer Part Number: KS8993M
• Description: IC SWITCH 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993M

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII/SNI
• 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): 1.89/3.465V
• Operating Supply Voltage (min): 1.71/3.135V
• Power Dissipation: 800mW
• Supply Current: 0.1/0.19A
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1013 - BOARD EVAL EXPERIMENT KS8993M
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant

Register 20 (0x14): Port 1 Control 4
Register 36 (0x24): Port 2 Control 4
Register 52 (0x34): Port 3 Control 4
Bit
7-0
Note: Registers 19 and 20 (and those corresponding to other ports) serve two purposes:
1.
2.
Register 21 (0x15): Port 1 Control 5
Register 37 (0x25): Port 2 Control 5
Register 53 (0x35): Port 3 Control 5
Bit
7-0
Register 22 (0x16): Port 1 Control 6
Register 38 (0x26): Port 2 Control 6
Register 54 (0x36): Port 3 Control 6
Bit
7-0
Register 23 (0x17): Port 1 Control 7
Register 39 (0x27): Port 2 Control 7
Register 55 (0x37): Port 3 Control 7
Bit
7-4
3-0
Register 24 (0x18): Port 1 Control 8
Register 40 (0x28): Port 2 Control 8
Register 56 (0x38): Port 3 Control 8
Bit
7-0
Micrel, Inc.
April 2005
Associated with the ingress untagged packets, and used for egress tagging.
Default VID for the ingress untagged or null-VID-tagged packets, and used for address lookup.
Name
[7:0]
Name
Transmit high
priority rate
control [7:0]
Name
Transmit low
priority rate
control [7:0]
Name
Transmit low
priority rate
control [11:8]
Transmit high
priority rate
control [11:8]
Name
Receive high
priority rate
control [7:0]
Default tag
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Port’s default tag, containing
Description
This register along with port control 7, bits [3:0]
form a 12-bits field to determine how many
“32Kbps” high priority blocks can be transmitted
in a unit of 4Kbytes in a one second period).
Description
This register along with port control 7, bits [7:4]
form a 12-bits field to determine how many
“32Kbps” low priority blocks can be transmitted in
a unit of 4 Kbytes in a one second period).
Description
These bits along with port control 6, bits [7:0]
form a 12-bits field to determine how many
“32Kbps” low priority blocks can be transmitted in
a unit of 4Kbytes in a one second period).
These bits along with port control 5, bits [7:0]
form a 12-bits field to determine how many
“32Kbps” high priority blocks can be transmitted
(in a unit of 4Kbytes in a one second period).
Description
This register along with port control 10, bits [3:0]
form a 12-bits field to determine how many
“32Kbps” high priority blocks can be received in a
unit of 4Kbytes in a one second period).
7-0: VID[7:0]
57
Default
0x01
Default
0x00
Default
0x00
Default
0x0
0x0
Default
0x00
KS8993M/ML/MI
M9999-041205