Renesas R8C series User Manual

R8C/1A Group, R8C/1B Group 7. Voltage Detection Circuit
Rev.1.30 Dec 08, 2006 Page 51 of 315
REJ09B0252-0130
Figure 7.7 Operating Example of Digital Filter
VCC
Sampling
timing
Internal reset signal
Sampling clock of digital filter x 4 cycles
Operation when the VW1C1 bit in the VW1C register is set to 0 (digital filter enabled)
Vdet1
Voltage monitor 1 reset
VCC
Sampling
timing
VW2C2 bit in
VW2C register
Vdet2
Voltage monitor 2 interrupt
Voltage monitor 2
interrupt request
1
Set to 0 by a program
Operation when the VW2C1 bit in the VW2C register is set to 0 (digital filter enabled)
and the VW2C6 bit is set to 0 (voltage monitor 2 interrupt mode)
Sampling clock of digital filter x 4 cycles Sampling clock of digital filter x 4 cycles
Set to 0 by an interrupt
request acknowledgment
0
0
1

Renesas R8C series Specifications

General

Brand	Renesas
Model	R8C series
Category	Computer Hardware
Language	English