mds108 Zarlink Semiconductor, mds108 Datasheet - Page 20

• Manufacturer Part Number: mds108
• Description: Unmanaged 9-port 10/100 Mbps Ethernet Switch
• Manufacturer: Zarlink Semiconductor

12.17
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12.18
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12.19
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12.20
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Access: parallel interface and I
Address: h0D
Access: parallel interface and I
Address: h0E
Access: parallel interface and I
Address: h0F
Access: parallel interface and I
Address: h10
MII_OP1 – MII Register Option 1
AGETIME_LOW – MAC Address Aging Timer Low
AGETIME_HIGH – MAC Address Aging Timer High
ECR1P0 – Port 0 Control Register
Bit [7:0]
Bit [7:0]
Bit [7:0]
Bits [3:0]
Bit [3]
Bit [2]
Bit [1]
Bit [0]
Bits [6:4]
Bit [7]
High order address byte
Low byte of the MAC address aging timer
High byte of the MAC address aging timer.
The aging time is based on the following formula:
{AGETIME_HIGH, AGETIME_LOW} x 1024 ms
Port Mode
PVID
Reserved
2
2
2
2
C, Read/Write
C, Read/Write
C, Read/Write
C, Read/Write
1 – Force configuration
based on Bits [2:0]
0 – Autonegotiate and
advertise based on Bits
[2:0]
1 – 10 Mbps
0 – 100 Mbps
1 – Half Duplex
0 – Full Duplex
1 – Flow Control Off
0 – Flow Control On
Port-based VLAN ID
Zarlink Semiconductor Inc.
MDS108
20
(Default 0000)
(Default 000)
(Default 00)
(Default 25)
(Default 01)
The default setting provides
a 300 second aging time.
Data Sheet