Hitachi SH7760 Solution Engine2 Overview page 127

Table of Contents

(11) Write to the flash memory

To transfer the user program to the user RAM and write it to the flash ROM, use the fl command. Enter "fl 0" at

the command prompt. Before writing to the flash ROM, erase the flash ROM first. Figure 10.2 shows the

procedure for writing the user program to the flash ROM and executing it from the flash memory. Specify "0"

as an option for the fl command.

Ready >fl 0

After command entry, the monitor program displays the following transfer request message on the host system

screen.

SH7760 Flash Memory Change Value!

Flash Memory data copy to RAM

Please Send A S-format Record

When this message appears, use the file transfer function of the communication software to send the S format

object file.

The S format object file is provided with address information, and the object file is located according to this

information.

When the object file has no address information, i.e., it is a relocatable file, specify an offset address in the fl

command.

This offset address must be within a user area shown in Figure 12.1.

Upon completion of program loading into the memory, the following message is displayed on the host system

screen. (In this example, the program has been loaded into the address h'A0000000 within area 3.)

Start Addrs = A0000000

End Addrs = A00FFFFF

Transfer complete

When flash ROM erasure begins, the monitor program displays the following message.

Flash chip erase: complete

Program :

Upon completion of ROM erasure, the monitor program begins to write to the flash ROM.

Flash chip erase:

When a write operation is complete, the monitor program displays the following command prompt on the screen.