E0C63B07
● Timing Chart
Initial reset
Supply voltage
3 sec
(Note)
(Note) fOSC1=32.768 kHz : 6 msec min.
f
f
OSC1=76.8 kHz : 3 msec min.
OSC1=153.6 kHz : 1.5 msec min.
OSC1 oscillation clock
Oscillation is in unstabilized state
Oscillation detection
circuit output
(High Active)
RESET terminal
(Low Active)
Internal reset signal
(High Active)
System clock switching
1 instruction execution time or longer
DBON (Note)
100 msec min.
VDSEL (Note)
VDC
2.5 msec min.
5 msec min.
OSCC
CLKCHG
(Note) Use DBON and VDSEL only when changes are requied.
Supply voltage doubler control during heavy load driving
1 instruction execution time or longer
DBON
100 msec min.
100 msec min.
VDSEL
VCSEL (Note)
1 msec min.
2 sec min.
ON
Heavy load
OFF
(Note) VCSEL is used only when it is required.
10
SEIKO [ SEIKO EPSON CORPORATION ]
