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CHAPTER 22 ROM CORRECTION
User’s Manual U15798EJ2V0UD
Figure 22-9. Program Transition Diagram (When Two Places Are Corrected)
(1) Branches to address F7FDH when fetch address matches correction address
(2) Branches to branch destination judgment program
(3) Branches to correction program 1 by branch destination judgment program (BTCLR !CORST0, $xxxxH)
(4) Returns to internal ROM (on-chip flash memory) program
(5) Branches to address F7FDH when fetch address matches correction address
(6) Branches to branch destination judgment program
(7) Branches to correction program 2 by branch destination judgment program (BTCLR !CORST1, $yyyyH)
(8) Returns to internal ROM (on-chip flash memory) program
Caution Do not use internal high-speed RAM and LCD display RAM for ROM correction area.
Remark
JUMP: Correction program start address
Internal ROM
(on-chip flash memory)
Correction place 1
Internal ROM
(on-chip flash memory)
JUMP
Internal ROM
(on-chip flash memory)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
FFFFH
F7FFH
F7FDH
yyyyH
xxxxH
0000H
BR !JUMP
Destination judge program
Correction program 2
Correction program 1
Correction place 2
Internal
expansion
RAM
Содержание mPD780344 Series
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