DM9008C View Datasheet(PDF) - Davicom Semiconductor, Inc.
Part Name
Description
MFG CO.
'DM9008C' PDF : 52 Pages View PDF
TPWH OSC Pulse Width High
TPWL OSC Pulse Width Low
10.3.2 Power On Reset Timing
PWRST#
Strap pins
EECS
DM9008C
Ethernet Controller with General Processor Interface
16
20
24
ns
16
20
24
ns
T1
T4
T2
T3
Symbol
T1
T2
T3
T4
Parameter
PWRST# Low Period
Strap pin hold time with PWRST#
PWRST# high to EECS high
PWRST# high to EECS burst end
Min.
1
40
-
-
Typ.
-
-
11.31
--
Max.
-
-
-
3
Unit Conditions
ms
-
ns
-
us
ms
Note: The DM9008C needs the time about 3ms to down load the setting from EEPROM after PWRST# deasserted,
During the period, the CS# pin is not recognized even no EEPROM present. So, please note that processor only
access DM9008C after PWRST# deasserted 3ms.
Preliminary
41
Version: DM9008C-13-DS-P01
January 15, 2008
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