UPD78F1502AGK-GAK-AX Datasheet, PDF (805/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

Watchdog timer reset signal
Reset signal by execution of illegal instruction
Figure 22-1. Block Diagram of Reset Function
TRAP
WDRF
Set
Clear Clear
Set
Internal bus
Reset control flag
register (RESF)
LVIRF
Set
Clear
RESF register read 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 select register
Reset signal to LVIM/LVIS register
Reset signal