Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 1689 of 1823
Jul 31, 2019
RX23W Group 50. Flash Memory (FLASH)
50.7.3 Software Commands
Software commands consist of commands for programming and erasure and commands for programming start-up
program area information and access window information.
Table 50.5 lists the software commands for use with the flash
memory.
Table 50.5 Software Commands
Command Function
Program  ROM programming (8 bytes)
 E2 DataFlash programming (1 byte)
Block erase ROM/E2 DataFlash erasure
All-block erase Erasure of all blocks in the ROM/E2 DataFlash
Blank check Check whether the specified area is blank.
Confirm that data is not programmed in the area. This command does not guarantee
whether the area remains erased.
Start-up area information program Rewrite the start-up area switching information used for start-up program protection.
Access window information program Set the access window used for area protection.

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)