Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 136 of 1823
Jul 31, 2019
RX23W Group 6. Resets
6. Resets
6.1 Overview
The following resets are implemented: RES# pin reset, power-on reset, voltage monitoring 0 reset, voltage monitoring 1
reset, independent watchdog timer reset, watchdog timer reset, and software reset.
Table 6.1 lists the reset names and sources.
Note 1. For the voltages to be monitored (VPOR, Vdet0, and Vdet1), see section 8, Voltage Detection Circuit (LVDAb) and section 51,
Electrical Characteristics.
Table 6.1 Reset Names and Sources
Reset Name Source
RES# pin reset Voltage input to the RES# pin is driven low.
Power-on reset VCC rises (voltage monitored: VPOR)
*1
Voltage monitoring 0 reset VCC falls (voltage monitored: Vdet0)
*1
Voltage monitoring 1 reset VCC falls (voltage monitored: Vdet1)
*1
Independent watchdog timer reset The independent watchdog timer underflows, or a refresh error occurs.
Watchdog timer reset The watchdog timer underflows, or a refresh error occurs.
Software reset Register setting

Renesas RX Series Specifications

General

Core	RXv1, RXv2, RXv3
Flash Memory	Up to 8 MB
RAM	Up to 1 MB
Operating Voltage	1.62V to 5.5V
Operating Temperature	-40°C to +85°C or +105°C
Package	BGA, LQFP
ADC Resolution	12-bit
DAC Resolution	12-bit
Communication Interfaces	SCI, SPI, I2C, USB, Ethernet, CAN
Architecture	32-bit
Security Features	Memory Protection Unit (MPU)