upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 304
upd78f0103hmca1-5a4-a
Manufacturer Part Number
upd78f0103hmca1-5a4-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
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Internal oscillation
Internal oscillation
Note Set P130 to high-level output by software.
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
Note Set P130 to high-level output by software.
Caution A watchdog timer internal reset resets the watchdog timer.
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level immediately after
Watchdog timer
Port pin (P130)
Port pin (P130)
(except P130)
(except P130)
system clock
system clock
High-speed
reset signal
High-speed
reset signal
CPU clock
CPU clock
overflow
Port pin
Port pin
RESET
Internal
Internal
clock
effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
clock
reset is effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
Normal operation
Normal operation
Figure 16-3. Timing of Reset Due to Watchdog Timer Overflow
Figure 16-2. Timing of Reset by RESET Input
CHAPTER 16 RESET FUNCTION
Delay
User’s Manual U16846EJ3V0UD
(Oscillation stop)
(Oscillation stop)
Reset period
Reset period
Delay
Operation stop
Operation stop
(17/f
(17/f
R
R
)
)
Hi-Z
Hi-Z
Normal operation (reset processing,
internal oscillation clock)
Normal operation (reset processing,
internal oscillation clock)
Note
Note
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