MDS213 Datasheet, PDF (82/120 Pages) Zarlink Semiconductor Inc – 12-Port 10/100Mbps + 1Gbps Ethernet Switch

MDS213
Data Sheet
001 Load
010 Restart Ptr
011 IncAdr
100 Halt
101 UnLoad
110 UnHalt
Bit [28:20] Reserved
18.2.6.6 Flooding Control Register
Access: Non-Zero-Wait-State,
Direct Access,
Write/Read
Address: h6DC
31
24 23
16 15 14
Unicast to CPU rate
12 11
Time
Base
U2MR
87
0
Multicast to CPU rate
Bit [7:0] M2CR Multicast to CPU Rate
Restricts the number of frames within the Time window defined in bit[15:12]
Bit [11:8] U2MR
Unicast to Multicast Rate
Restricts the number of flooding unicast frames within the Time window
Bit [14:12] Time Base Defines the time window used by M2CR and U2MR
000 = 100us 001 = 200us 010 = 400us 011 = 800us
100 = 1.6ms 101 = 3.2ms 110 = 6.4ms 111 = 100us
Bit [15] Reserved
Bit [23:16] U2CR
Unicast to CPU Rate
Restricts the number of frames within the Time window defined in bit[15:12]
Bit [31:24] Reserved
18.2.6.7 MCAT - MCT Aging Timer
Access: Non-Zero-Wait-State,
Direct Access, Write/Read
Address: h6E0
31
20 19
0
MCT Aging Timer
Bit [19:0]
When the value is reached, it ages out
Default=0 msec (unit=msec) Must be configured to not zero value.
Suggestion value: 5msec.
82
Zarlink Semiconductor Inc.