Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace stáhnout pdf (Strana 95)

Flash Development Toolkit

Method for Using the User Program Mode (SH7086 Application)

REJ06J0071-0100 /Rev.1.00 2009.2 Page 93 of 106

6.3 RAM Main Process

The RAM main process involves transferring a library, erasing the flash memory, and writing to the flash

memory. These processes are executed in the RAM.

(1) Library transfer (FDTUMain.c)

• LibTrans

If commandID is prepareERASE (0x48), set FECS to EraseMode (0x01) and select the erase library.

Otherwise (prepareUserAreaWrite, 0x43), set FPCS to WriteMode (0x01) and select the write library. Set

FKEY to FkeyEnable (0xA5) to select Transfer and then set the SCO bit.

///////////////////////

// LibTrans Function //

///////////////////////

void LibTrans(BYTE commandID)

{

if (commandID == prepareErase){

FECS = EraseMode;

}else{

FPCS = WriteMode;

}

FKEY = FkeyEnable;

ScoBitSet();

}

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Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace Strana 95