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6.5.11 Downloading to the Flash Memory

Examples of connecting with and downloading to the flash memory (DA28F640J5-150)

manufactured by Intel Corporation are described below. Note that a sample is provided in the

\Fmtool folder within the folder in which the SH7641 E10A is installed. File configuration of the

sample program is as follows:

Table 6.14 File Configuration of the Sample Program

Item File name

Sample program for downloading to the flash memory

(load module file, S-type format, with big endian)

\Fmtool\Fmtool.mot

Sample program for downloading to the flash memory

(source file)

\Fmtool\Fmtool.asm

Specifications of the sample program are as follows:

Table 6.15 Specifications of the Sample Program

Item Contents

RAM area to be used H’0C001000 to H’0C001FFF

Writing module start address H’0C001100

Erasing module start address H’0C001000

Operating conditions of the sample program are listed below.

Table 6.16 Operating Conditions

Item Contents

SDRAM addresses H’0C000000 to H’0C07FFFF

Bus width of SDRAM addresses 16 bits

Flash memory addresses H’00000000 to H’0007FFFF

Bus width of flash memory addresses 16 bits

CPU operating mode 3

Input clock 19.8 MHz

Value in the frequency

change register (FRQCR)

H’1003

Operating

environment

Endian Big

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