KSZ8995M A4 Micrel Inc, KSZ8995M A4 Datasheet - Page 60

• Manufacturer Part Number: KSZ8995M A4
• Manufacturer: Micrel Inc

Specifications of KSZ8995M A4

• 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): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.9/2.6/3.6V
• Operating Supply Voltage (min): 1.7/2.4/3V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Compliant

KS8995M
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, “0x5” for port 5. The “REGAD” supported are 0,1,2,3,4,5.
M9999-062309
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/MDIX
Disable far end fault
Disable transmit
Disable LED
Description
Not supported
1, Loop back mode (loop back at MAC)
0, Normal operation
1, 100Mbps
0, 10Mbps
1, Auto-negotiation enabled
0, Auto-negotiation disabled
1, Power down
0, Normal operation
Not supported
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/MDIX
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
RO
R/W
R/W
R/W
R/W
RO
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.
June 2009