Renesas M16C FAMILY Hardware Manual page 33

Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
V
det
V
CC
Internal reset signal
(D46 bit=1)
VC13 bit
VC27 bit
Voltage detection
interrupt request
(D46 bit=0)
The above applies to the following conditions.
• D4INT register D40 bit = 1 (voltage detection interrupt enabled)
• D4INT register D41 bit = 0 (do not use voltage detection interrupt to get out of stop mode)
Sampling time : 4 cycles of sampling clock selected in DF0 bit to DF1 bit
Figure 5.10 Operation Example of Voltage Detection Circuit
Rev.0.91 2003 Sep 08
5.0 V
Set to"1" by program (voltage
detection circuit enabled)
page 23 of 184
Sampling time
(3 to 4 clock)
Interrupt acknowledged
Sampling time
(3 to 4 clock)
5.4 Voltage Detection Circuit
5.0 V
1
x 32
fRING
Interrupt acknowledged