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VR4102 Datasheet(PDF) 206 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 206 Page - NEC

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CHAPTER 7 INITIALIZATION INTERFACE
206
Figure 7-6. VR4102 Activation Sequence (when Battery Check Is OK)
Reset#(internal)
ColdReset#(internal)
MPOWER(o)
Activation of
CPU
Check BATTINH/
BATTINT# pin
Detection of
activation factor
RTC
(internal, 32kHz)
PLL(internal)
POWERON(o)
BATTINH/BATTINT#(i)
Stopped
Undefined
Stable oscillation
Figure 7-7. VR4102 Activation Sequence (when Battery Check Is NG)
Reset#(internal)
ColdReset#(internal)
MPOWER(o)
CPU not
activated
Check BATTINH/
BATTINT# pin
Detection of
activation
RTC
(internal, 32kHz)
PLL(internal)
POWERON(o)
BATTINH/BATTINT#(i)
L
L
L
H



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