TMP92FD54AI datasheet(22/84 Pages) TOSHIBA

22 / 84 page

2006-01-27

92FD54AI-22

TMP92FD54AI

(Step 3)

After the device has entered User Boot Mode, (c) Rewrite routine, (d) Copy routine-1 and (e) Copy

routine-2, must be loaded from the source of transfer (the controller) into the internal RAM or into

external memory using (b), the transfer routine. (In the example shown below the routine is copied into

the internal RAM.)

(Step 4)

The program jumps to the copy routine-1 in RAM, copy (a) and (b) into the internal RAM or into

external memory. (In the example shown below the routine is copied into the internal RAM.).

(TMP92FD54AI)

Flash memory

[Reset-processing program]

(a) Mode judgment routine

Old user

application program

(Controller)

(I/O)

(b) Transfer routine

New user

application program

(d) Copy routine-1

(e) Copy routine-2

(d) Copy routine-1

(e) Copy routine-2

RAM

(TMP92FD54AI)

Flash memory

[Reset-processing program]

(a) Mode judgment routine

Old user

application program

(Controller)

(I/O)

(b) Transfer routine

New user

application program

(d) Copy routine-1

(e) Copy routine-2

RAM

(d) Copy routine-1

(e) Copy routine-2

(a) Mode judgment routine

(b) Transfer routine

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