NEC 78K0 Series User Manual page 522

Watchdog timer reset signal
RESET
Power-on-clear circuit reset signal
Low-voltage detector reset signal
Caution An LVI circuit internal reset does not reset the LVI circuit.
Remarks 1. LVIM: Low-voltage detection register
2. LVIS: Low-voltage detection level selection register
Figure 22-1. Block Diagram of Reset Function
Reset control flag
register (RESF)
WDTRF LVIRF
Set Set
Clear Clear
Internal bus
Reset signal to LVIM/LVIS register
Reset signal