Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace stáhnout pdf (Strana 102)

Flash Development Toolkit

Method for Using the User Program Mode (SH7086 Application)

7.2 Control Registers and Control Bits

The following shows the library transfer and user boot area related control registers and control bits.

(1) Selecting the functionality

Use the FKEY register to select transfer and write/erase. Set the FKEY register to H’A5 to transfer the

write/erase library, or H’5A to execute the write/erase process.

(2) Starting a library download

To transfer a library, set the SCO bit (FCCS register bit 0) to 1.

(3) Selecting a library

To select a library, set the corresponding bit in the FPCS or FECS register to 1.

(4) Selecting the user boot area

To select the user boot area, set the FMATS register to H’AA.

[Note] Selections switchable in only the RAM.

(5) Selecting the destination of transfer

Use the FTDAR register to set the RAM address to which a library is transferred. Unless address settings

are correct, bit 7 of the FTDAR register is set to 1.

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Renesas Renasas Single-Chip Microcomputer SH7086 Technické informace Strana 102