Renesas M16C FAMILY Hardware Manual page 26

Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
V
R E S E T
CC
Figure 5.3 Example Reset Circuit Using The Hardware Reset 1
RESET
Figure 5.4 Example Reset Circuit Using The Hardware Reset 1 (Voltage Check Circuit)
Rev.0.91 2003 Sep 08
V
CC
0 V
R E S E T
0V
V
V
CC
Supply voltage
detection circuit
RESET
page 16 of 184
2.7V
5V
2.7V
CC
0V
5V
0V
Example when V = 5V
CC
5.1 Hardware Reset
Equal to or less
than 0.2V
CC
M o r e t h a n t d ( P - R ) + 5 0 0 µ s a r e
n e e d e d .
More than td(P-R) + 500 µs
are needed.
.