Renesas R5S72621 User Manual

 

Section 4   Boot Mode 

 

R01UH0134EJ0400  Rev. 4.00  

 

Page 109 of 2108 

Sep 24, 2014 

 

 

 
SH7262 Group, SH7264 Group 

Section 4   Boot Mode 

This LSI can be booted from the memory connected to the CS0 space, the NAND flash memory, 
and the serial flash memory. 

  Four boot modes 

Boot mode 0: Boots the LSI from the memory connected to the CS0 space 

Boot mode 1: Boots the LSI from the serial flash memory (high-speed communication) 

Boot mode 2: Boots the LSI from the NAND flash memory 

Boot mode 3: Boots the LSI from the serial flash memory (low-speed communication) 

 

This LSI can determine the boot mode using external pins when 

RES is low. The external pin 

settings for selecting the boot mode are shown in table 4.1. 

0 

0 

Boots the LSI from the memory connected to the CS0 
space (boot mode 0). 

0 

1 

Boots the LSI, through high-speed communication, from the 
serial flash memory connected to channel 0 of the Renesas 
serial peripheral interface (boot mode 1). 

1 

0 

Boots the LSI from the NAND flash memory connected to 
the NAND flash memory controller (boot mode 2). 

1 

1 

Boots the LSI, through low-speed communication, from the 
serial flash memory connected to channel 0 of the Renesas 
serial peripheral interface (boot mode 3).