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DM9013EP датащи(PDF) 67 Page - Davicom Semiconductor, Inc.

номер детали DM9013EP
подробное описание детали  10/100 Mbps 3-port Ethernet Switch Controller with General Processor Interface
PDF  75 Pages
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производитель  DAVICOM [Davicom Semiconductor, Inc.]
домашняя страница  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9013EP датащи(HTML) 67 Page - Davicom Semiconductor, Inc.

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DM9013
3-port switch with Processor Interface
Preliminary datasheet
67
DM9013-15-DS-P03
April 9, 2009
10.4.2 Processor I/O Read Timing
IOR#
SD0~31
CS#,CMD
T1
T2
T3
T4
T5
T6
ior_9013.vsd
Symbol
Parameter
Min.
Typ.
Max.
Unit
T1
CS#,CMD valid to IOR# valid
5
ns
T2
IOR# invalid to CS#,CMD invalid
5
ns
T3
IOR# width
20
ns
T4
IOR# invalid to next IOR#/IOW# valid
When read DM9003 register
2
clk*
T4
IOR# invalid to next IOR#/IOW# valid
When read DM9003 memory with F0h register
4
clk*
T3+T4 IOR# invalid to next IOR#/IOW# valid
When read DM9003 memory with F2h register
1
clk*
T5
System Data(SD) Delay time
25
ns
T6
IOR# invalid to System Data(SD) invalid
10
ns
Note: the Unit: clk is under the internal system clock 50MHz..



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