R8C/1A Group, R8C/1B Group 6. Resets
Rev.1.30 Dec 08, 2006 Page 41 of 315
REJ09B0252-0130
Figure 6.4 Example of Hardware Reset Circuit and Operation
Figure 6.5 Example of Hardware Reset Circuit (Usage Example of External Supply Voltage
Detection Circuit) and Operation
RESET
VCC
VCC
RESET
2.7 V
0V
0.2 VCC or below
td(P-R) + 500 µs or more
0V
NOTE:
1. Refer to 19. Electrical Characteristics.
RESET VCC
VCC
RESET
2.7 V
0V
td(P-R) + 500
µs or more
0V
5V
5V
Example when
VCC = 5 V
Supply voltage
detection circuit
NOTE:
1. Refer to
19. Electrical Characteristics.