KS8995MAI Micrel Inc, KS8995MAI Datasheet - Page 60

• Manufacturer Part Number: KS8995MAI
• Description: IC SWITCH 10/100 5PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8995MAI

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 5
• Internal Memory Buffer Size: 64
• 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): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1017 - BOARD EVAL EXPERIMENT KS8995M
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant
• Other names: 576-1019

KS8995MA
MIIM Registers
All the registers defined in this section can be also accessed via the SPI interface. Note: different mapping mechanisms used
for MIIM and SPI. The “PHYAD” defined in IEEE is assigned as “0x1” for port 1, “0x2” for port 2, “0x3” for port 3, “0x4” for port
4, and “0x5” for port 5. The “REGAD” supported are 0,1,2,3,4,5.
M9999-051305
Address
Register 0: MII Control
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
Soft Reset
Loop Back
Force 100
AN Enable
Power Down
PHY Isolate
Restart AN
Force Full Duplex
Collision Test
Reserved
Reserved
Force MDI
Disable Auto MDI/MDI-X
Disable Far End Fault
Disable Transmit
Disable LED
Description
1, PHY soft reset.
0, Normal operation.
1, Loop back mode (loopback at MAC).
0, Normal operation.
1, 100Mbps.
0, 10Mbps.
1, Auto-negotiation enabled.
0, Auto-negotiation disabled.
1, Power down.
0, Normal operation.
1, Electrical PHY isolation of PHY from Tx+/Tx-.
0, Normal operation.
1, Restart Auto-negotiation.
0, Normal operation.
1, Full duplex.
0, Half duplex.
Not supported.
1, Force MDI.
0, Normal operation.
1, Disable auto MDI/MDI-X.
0, Normal operation.
1, Disable far end fault detection.
0, Normal operation.
1, Disable transmit.
0, Normal operation.
1, Disable LED.
0, Normal operation.
60
Mode
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
Default
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Micrel, Inc.
May 2005