NEC 78K0 User Manual page 462

Watchdog timer reset signal
Clock monitor 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
Internal bus
Reset control flag
register (RESF)
WDTRF CLMRF LVIRF
Set Set Set
Clear Clear Clear
*
Reset signal
Reset signal to LVIM/LVIS register
Reset signal