SH7262 Datasheet, PDF (2/45 Pages) Renesas Technology Corp – High-speed Read/Write Serial Flash Memory

SH7262/SH7264 Group
High-speed Read/Write Serial Flash Memory
Using the Renesas Serial Peripheral Interface
1. Introduction
1.1 Specifications
• Use the serial flash memory of 2 MB (64 KB x 32 sectors, 256 bytes per page) to connect with the SH7264 MCU.
• Use channel 0 of the RSPI to access serial flash memory.
• Procedures are optimized to access the large volume data in high-speed.
1.2 Modules Used
• Renesas Serial Peripheral Interface (RSPI)
• General-purpose I/O ports
1.3 Applicable Conditions
MCU
Operating Frequency
Integrated Development
Environment
C compiler
Compiler options
SH7262/SH7264
Internal clock: 144 MHz
Bus clock: 72 MHz
Peripheral clock: 36 MHz
Renesas Technology Corp.
High-performance Embedded Workshop Ver.4.04.01
Renesas Technology SuperH RISC engine Family
C/C++ compiler package Ver.9.02 Release 00
Default setting in the High-performance Embedded Workshop
(-cpu=sh2afpu -fpu=single -object="$(CONFIGDIR)\$(FILELEAF).obj" -debug -
gbr=auto -chgincpath -errorpath -global_volatile=0 -opt_range=all -
infinite_loop=0 -del_vacant_loop=0 -struct_alloc=1 –nologo)
1.4 Related Application Note
Refer to the related application notes as follows:
• SH7262/SH7264 Group Example of Initialization
• SH7262/SH7264 Group Interfacing Serial Flash Memory Using the Renesas Serial Peripheral Interface
• SH7262/SH7264 Group Boot from the Serial Flash Memory
REJ06B0889-0100/Rev.1.00
June 2009
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