upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 423
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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(when X1 oscillation is selected)
(when X1 oscillation is selected)
Caution A watchdog timer internal reset resets the watchdog timer.
High-speed system clock
High-speed system clock
Internal reset signal
Internal reset signal
Internal high-speed
Internal high-speed
Watchdog timer
oscillation clock
oscillation clock
CPU clock
CPU clock
overflow
Port pin
RESET
Port pin
Figure 15-3. Timing of Reset Due to Watchdog Timer Overflow
Normal operation
Normal operation
Figure 15-2. Timing of Reset by RESET Input
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 15 RESET FUNCTION
Delay
(oscillation stop)
(oscillation stop)
Reset period
Reset period
(5 s (TYP.))
µ
Delay
Wait for oscillation
Wait for oscillation
stabilization
(20 s (TYP.))
(20 s (TYP.))
stabilization
processing
processing
accuracy
accuracy
µ
Reset
Reset
µ
Hi-Z
Hi-Z
Starting X1 oscillation is specified by software.
Starting X1 oscillation is specified by software.
Normal operation
(internal high-speed oscillation clock)
Normal operation
(internal high-speed oscillation clock)
423
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