adm6999ux Infineon Technologies Corporation, adm6999ux Datasheet - Page 41

• Manufacturer Part Number: adm6999ux
• Description: Adm6999u 9 Port 10/100 Mb/s Single Chip Ethernet Switch Controller
• Manufacturer: Infineon Technologies Corporation

Miscellaneous Configuration Register 0
MCR_0
Miscellaneous Configuration Register 0
Field
Res
QR
DM1
DM0
AD
Res
Res
XCRC
Res
BSE
BST
Broadcast storm mode after initial:
Time interval : 50 ms
The max. packet number = 7490 in 100Base, 749 in 10Base
Data Sheet
Bits
15:14
13:12
11:10
9:8
7
6
5
4
3
2
1:0
Type
ro
rw
rw
rw
rw
ro
ro
rw
ro
rw
rw
Description
Reserved
Queue Ratio
00
01
10
11
Discard Mode (drop scheme for Q1)
Discard Mode (drop scheme for Q0)
Aging Disable
0
1
Reserved
0
Reserved
0
CRC Check Disable
0
1
Reserved
0
Broadcast Storming Enable
0
1
Broadcast Storming Threshold
See below table.
00
B
B
B
B
B
B
B
B
B
B
B
B
B
B
, 1:1
, 1:2
, 1:3
, 1:4
, enable aging, default
, disable aging
, default
, default
, enable CRC Check, default
, disable CRC check
, default
, disable, default
, enable
, default
Offset
10
41
H
Rev. 1.42, 2005-11-25
ADM6999U/UX
Data Sheet
Descriptions
Reset Value
0040
H