W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 194
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W83627EHG
Manufacturer Part Number
W83627EHG
Description
IC I/O CONTROLLER 128-QFP
Manufacturer
Nuvoton Technology Corporation of America
Specifications of W83627EHG
Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V
Package / Case
128-XFQFN
Mounting Type
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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When the W83627EHF/EHG/EF/EG detects the 3VSB voltage rises to “V1”, it then starts a delay – “t”
before the rising edge of RSMRST# asserting. If the 3VSB voltage falls below “V2”, the RSMRST#
de-asserts immediately.
Timing and voltage parameters are shown in the following figure and table.
12.2 PWROK Generation
The PWROK (Pin 71) signal is an output and is used as the 3VCC power-on reset signal.
When the W83627EHF/EHG/EF/EG detects the 3VCC voltage rises to “V3”, it then starts a delay – “t2”
before the rising edge of PWROK asserting. If the 3VCC voltage falls below “V4”, the PWROK
de-asserts immediately.
Timing and voltage parameters are shown in figure and table.
t
V1
V2
SYMBOL
MIN.
2.6
2.4
80
W83627EHF/EF, W83627EHG/EG
-183-
MAX.
2.65
2.45
130
Publication Release Date: April 7, 2009
UNIT
mS
V
V
Version 1.94
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