Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 1739 of 1823
Jul 31, 2019
RX23W Group 50. Flash Memory (FLASH)
50.11.9 Procedure to Check Data in the Data Area
Procedure to read and check, checksum, and blank check the data area to check the programmed data in the data area is
as follows.
Figure 50.41 Procedure to Check Data in the Data Area
(1) The read and check operation is used to read data in the data area and compare the read data with the programmed
data to check if the program operation is performed successfully. Send a memory read command (52h) to read data
in the data area.
(2) Send the data area checksum command (61h) to check program data using the checksum of data area.
(3) Send the data area blank check command (62h) to check if the data area has data.
62h (data area blank check command)
06h (blank)
D2h, XXh (error code)
52h, read data (response)
Repeat until all data in the
user program are compared.
61h (data area checksum command)
71h, checksum of the data area
52h (memory read command)
E2h, 52h (not blank)
Checksum of the data area
Check if the data area is
blank
(2)
(1)
(3)
MCU
Serial
programmer

Renesas RX Series Specifications

General

Brand	Renesas
Model	RX Series
Category	Microcontrollers
Language	English