H8SXSLASH1663R datasheet(1188/1504 Pages) RENESAS

tên linh kiện	H8SX/1663R

Giải thích chi tiết về linh kiện	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

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Section 25 Flash Memory

Rev. 2.00 Sep. 24, 2008 Page 1156 of 1468

REJ09B0412-0200

(4)

Procedure of Erasing, Programming, and RAM Emulation in User Program Mode

By changing the on-chip RAM start address of the download destination in FTDAR, the erasing

program and programming program can be downloaded to separate on-chip RAM areas.

Figure 25.15 shows a repeating procedure of erasing, programming, and RAM emulation.

Yes

Start procedure

program

Initialize erasing program

Set FTDAR to H'02

(specify download

destination H'FFB000)

Download programming

program

Initialize programming

program

End procedure

program

Erase relevant block

(execute erasing program)

Set FMPDR to H'FFA000

and program relevant block

(execute programming

program)

Confirm operation

End ?

Set FTDAR to H'00

(specify download

destination to H'FF9000)

Download erasing program

Exit emulation mode

Make a transition to RAM

emulation mode and tuning

parameters in on-chip RAM

Figure 25.15 Repeating Procedure of Erasing, Programming,

and RAM Emulation in User Program Mode

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