Renesas RX100 Series User Manual page 101

RX13T Group
4.7 k
(reference value)
Vdet0
VPOR
External voltage
VCC
RES# pin
POR detection signal
(Low is valid)
LVD0 enable/disable
signal (Low is valid)
Voltage detection 0
signal (Low is valid)
Internal reset signal
RSTSR0.PORF
RSTSR0.LVD0RF
Note: For details on the electrical characteristics, see the Electrical Characteristics section.
Note 1. Vdet0 indicates the detection level for a voltage monitoring 0 reset and VPOR indicates the detection level for a
power-on reset.
Note 2. Ensure that the voltage on the RES# pin is always at least VIH.
Note 3. tPOR indicates the period of a power-on reset and tLVD0 indicates the period of a voltage monitoring 0 reset.
Note 4. At the time the power-supply voltage rises, VCC must rise to at least the minimum guaranteed voltage before release
from the POR reset state.
Figure 6.1 Operation Examples During a Power-On Reset and Voltage Monitoring 0 Reset
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
VCC
RES#
*1
*2
Power-on reset state
tPOR
*4
Voltage monitoring 0 reset state
Set by OFS1.LVDAS
*3 *3
tLVD0
Reset by a pin reset
Page 101 of 1041
6. Resets