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7220 Datasheet(PDF) 191 Page - Renesas Technology Corp |
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7220 Datasheet(HTML) 191 Page - Renesas Technology Corp |
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191 / 303 page  APPLICATION 5.3 Usage example of ROM correction function (M37221M8/MA-XXXSP) 7220 Group User’s Manual 5-18 Fig. 5.3.5 E2PROM map when using ROM correction function (2) E2PROM address 02316 Contents Instructions in correction program Stored data (Machine instruction) ROM correction function 2 (55H: valid, others: invalid) 55H 02416 ROM correction function 2 Execution address (high-order) FEH 02516 ROM correction function 2 Execution address (low-order) 96H 02616 ROM correction function 2 25H Correction code 1 02716 ROM correction function 2 9DH Correction code 2 02816 ROM correction function 2 25H Correction code 3 02916 ROM correction function 2 01H Correction code 4 02A16 ROM correction function 2 3AH Correction code 5 02B16 ROM correction function 2 CAH Correction code 6 02C16 ROM correction function 2 10H DEX Correction code 7 02D16 ROM correction function 2 F7H BPL 02E0H Correction code 8 02E16 ROM correction function 2 60H Correction code 9 02F16 ROM correction function 2 EAH Correction code 10 03016 ROM correction function 2 EAH RTS Correction code 11 03116 ROM correction function 2 EAH Correction code 12 03216 ROM correction function 2 Correction code 13 03316 ROM correction function 2 EAH NOP (see note) Correction code 14 03416 ROM correction function 2 EAH NOP Correction code 15 03516 ROM correction function 2 EAH NOP Correction code 16 03616 ROM correction function 2 EAH NOP Correction code 17 03716 ROM correction function 2 EAH NOP Correction code 18 03816 ROM correction function 2 EAH NOP Correction code 19 03916 ROM correction function 2 EAH NOP Correction code 20 03A16 ROM correction function 2 EAH NOP Correction code 21 03B16 ROM correction function 2 EAH NOP Correction code 22 03C16 ROM correction function 2 EAH NOP Correction code 23 03D16 ROM correction function 2 EAH NOP Correction code 24 03E16 ROM correction function 2 EAH NOP Correction code 25 03F16 ROM correction function 2 EAH NOP Correction code 26 04016 ROM correction function 2 EAH NOP Correction code 27 04116 ROM correction function 2 EAH NOP Correction code 28 04216 ROM correction function 2 EAH NOP Correction code 29 04316 ROM correction function 2 4CH JMP YYXXH Set reset vector address to YYXXH (see note). Correction code 30 04416 ROM correction function 2 XXH Correction code 31 04516 ROM correction function 2 YYH Correction code 32 95H INC A LDA 025H, X Refer to “Figure 5.3.3 example A” Note: When operating normally, this instruction is not executed. This is a redundant processing to reset during program runaway. LDA 0125H, X NOP NOP NOP Valid/invalid |
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