DM9010BI DAVICOM [Davicom Semiconductor, Inc.], DM9010BI Datasheet - Page 49
DM9010BI
Manufacturer Part Number
DM9010BI
Description
Industrial-temperature 10/100 Mbps Single Chip Ethernet Controller With General Processor Interface
Manufacturer
DAVICOM [Davicom Semiconductor, Inc.]
Datasheet
1.DM9010BI.pdf
(60 pages)
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10.3.5 Processor I/O Write Timing
Note:(The default clk period is 20ns)
1. The IO16 is valid when the SD bus width is 16-bit or
Preliminary
Version: DM9010BI--DS-P01
January 12, 2010
IO16,IO32
AEN,SA
IOW
SD
32-bit and system address is DATA port (i.e. CMD
is high) and the value of INDEX port is memory
data register index (ex. F0H, F2H, F6H or F8H)
Symbol
T
2
T
T
T
T
T
T
T
T
T
+T
1
2
3
4
5
6
6
7
8
6
,CMD
System Address(SA) valid to IOW# valid
IOW# width
System Data(SD) setup time
System Data (SD) hold time
IOW# invalid to System Address(SA) invalid
IOW# Invalid to next IOW#/IOR# valid
When write DM9010BI INDEX port
IOW# Invalid to next IOW#/IOR# valid
When write DM9010BI DATA port
IOW# valid to next IOW#/IOR# valid
When write DM9010BI memory
System Address(SA) valid to IO16, IO32 valid
System Address(SA) invalid to IO16, IO32 invalid
→
→
T1
←
Industrial-temperature Single Chip Ethernet Controller with General Processor Interface
Parameter
←
←
T7
←
T2
T3
→
2. The IO32 is valid when the SD bus width is 32-bit
→
→
→
Register index (ex. F0H, F2H, F6H or F8H)
and system address is DATA port (i.e. CMD is high)
and the value of INDEX port is memory data
←
→
Min.
←
←
10
0
3
3
0
1
2
1
T6
←
T5
T4
∫∫
Typ.
T8
→
Max.
3
3
Note1.2
DM9010BI
Unit
clk*
clk*
clk*
ns
ns
ns
ns
ns
ns
ns
49
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