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16.1 Overview
The following reset functions are available.
• Reset function by RESET pin input
• Reset function by WDT overflow (WDTRES)
If the RESET pin goes high, the reset status is released, and the CPU starts executing the program. Initialize the
contents of each register in the program as necessary.
The RESET pin has a noise eliminator that operates by analog delay to prevent malfunction caused by noise.
16.2 Configuration
RESET
Count clock
CHAPTER 16 RESET FUNCTION
Figure 16-1. Reset Block Diagram
Analog delay circuit
WDTRES issued
due to overflow
Watchdog timer
Preliminary User's Manual U15905EJ1V0UD
Reset signal to CPU
Reset signal to CG
Reset controller
Reset signal to other
peripheral macros
467
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