參數(shù)資料
型號(hào): MTD505
廠商: Electronic Theatre Controls, Inc.
英文描述: 5 Port 10M/100M Ethernet Switch
中文描述: 5端口10M/100M以太網(wǎng)交換機(jī)
文件頁(yè)數(shù): 13/19頁(yè)
文件大?。?/td> 202K
代理商: MTD505
13/19
MTD505 Revision 1.2 14/04/2000
MTD505
(Preliminary)
MYSON
TECHNOLOGY
7-0
XON
XON threshold.
XOFF threshold.
While EEPROM is enabled, this register’s content will
be updated by EEPROM read XON/XOFF threshold
data automatically. After EEPROM read is done, this
register can be read/write by management cmd.
default is 16’h3084(2M memory) or 16’h1838(1M mem-
ory)
CONTROL REGISTER 2
bit[15:0] can specify aging time.
While EEPROM is enabled, this register’s content will
be updated by EEPROM read Aging timer data auto-
matically. After EEPROM read is done, this register can
be read/write by management cmd.
CONTROL REGISTER 3
bit[15:12] specify port 3’s uplink port ID.
bit[11:8] specify port 2’s uplink port ID.
bit[7:4] specify port 1’s uplink port ID.
bit[3:0] specify port 0’s uplink port ID.
default is 16’h000f.
P.S this register’s write sequence is Jumper setting ==>
EEPROM content ==> MII management command.
CONTROL REGISTER 4
bit[15:12] :reserved
bit[11:8] : reserved
bit[7:4] : reserved
bit[3:0] specify port 4’s uplink port ID.
default is 16’h0.
P.S this register’s write sequence is Jumper setting ==>
EEPROM content ==> MII management command.
CONTROL REGISTER 5
bit[7:0] specify broadcast threshold.
bit[8] enable enhance backpressure.
Reserved.
P.S this register can be writed by EEPROM content or
MII management command too.
15-8
XOFF
2
CtlReg2
R/W
16’d300
15-0
Aging
3
CtlReg3
R/W
16’h000f
15-0
Uplink reg0
4
CtlReg4
R/W
16’h0
15-0
Uplink reg1
5
CtlReg5
R/W
16’hff
7-0
8
15-9
6
StsReg0
RO/
RC
STATUS REGISTER 0
7-0
bit[4:0] outputs port4-0 RXDMA fifofull, bit[7:5] :
reserved.
TABLE 1. MII registers
GLOBAL REGISTERS
REG
NO
Bits
Name
R/W
Descriptions
Default
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