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DM9006 Datasheet(PDF) 73 Page - Davicom Semiconductor, Inc.

Part No. DM9006
Description  10/100 Mbps 2-port Ethernet Switch Controller with General Processor Interface
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Maker  DAVICOM [Davicom Semiconductor, Inc.]
Homepage  http://www.davicom.com.tw
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DM9006 Datasheet(HTML) 73 Page - Davicom Semiconductor, Inc.

 
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DM9006
2-port Switch with Processor Interface
Preliminary datasheet
73
DM9006-13-DS-P01
September 1, 2009
10.4.3 Processor I/O Write Timing
IOW#
SD0~15
CS#,CMD
T1
T2
T3
T4
T5
T6
∫ ∫
Symbol
Parameter
Min.
Typ.
Max.
Unit
T1
CS#,CMD valid to IOW# valid
5
ns
T2
IOW# Invalid to CS#,CMD Invalid
5
ns
T3
IOW# Width
20
ns
T4
IOW# Invalid to next IOW#/IOR# valid
When write DM9006 INDEX port
1
Clk *1
T4
IOW# Invalid to next IOW#/IOR# valid
When write DM9006 DATA port
2
Clk *1
T3+T4
IOW# Invalid to next IOW#/IOR# valid
When write DM9006 memory
1
Clk *1
T5
System Data(SD) Setup Time
5
ns
T6
System Data(SD) Hold Time
3
ns
*1 : the Unit: clk is under the internal system clock 50MHz.(20ns).


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