KS8993M Micrel Inc, KS8993M Datasheet - Page 61

• 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 29 (0x1D): Port 1 Control 13
Register 45 (0x2D): Port 2 Control 13
Register 61 (0x3D): Reserved, not applied to port 3 (continued)
Bit
4
3
2
1
0
Register 30 (0x1E): Port 1 Status 0
Register 46 (0x2E): Port 2 Status 0
Register 62 (0x3E): Reserved, not applied to port 3
Bit
7
6
5
4
Micrel, Inc.
April 2005
Name
Disable far end
fault
Disable auto
MDI/MDI-X
Name
Partner flow
control
capability
Power-down
Force MDI-X
Loopback
MDI-X status
AN done
Link good
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
Description
= 1, disable far end fault detection and pattern
transmission.
= 0, enable far end fault detection and pattern
transmission
= 1, power-down
= 0, normal operation
= 1, disable auto MDI/MDI-X function
= 0, enable auto MDI/MDI-X function
If auto MDI/MDI-X is disabled,
= 1, force PHY into MDI mode (transmit on
RXP/RXM pins)
=
TXP/TXM pins)
= 1, perform loopback, as indicated:
= 0, normal operation
Description
= 1, MDI-X
= 0, MDI
= 1, AN done
= 0, AN not done
= 1, link good
= 0, link not good
= 1, link partner flow control (pause) capable
= 0, link partner not flow control (pause) capable
0, force PHY into MDI-X mode (transmit on
Port 1 Loopback (reg. 29, bit 0 = ‘1’)
Start: RXP2/RXM2 (port 2)
Loopback: PMD/PMA of port 1’s PHY
End: TXP2/TXM2 (port 2)
Port 2 Loopback (reg. 45, bit 0 ‘1’)
Start: RXP1/RXM1 (port 1)
Loopback: PMD/PMA of port 2’s PHY
End: TXP1/TXM1 (port 1)
61
Default
0
Note: Only port
1 supports fiber.
This bit is
applicable to
port 1 only.
0
0
For port 2,
P2MDIX disable
pin value during
reset.
0
For port 2,
P2MDIX pin
value during
reset.
0
Default
0
0
KS8993M/ML/MI
M9999-041205