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M38B71M1 Datasheet(PDF) 98 Page - Renesas Technology Corp |
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M38B71M1 Datasheet(HTML) 98 Page - Renesas Technology Corp |
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98 / 110 page 
97 38B7 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER MITSUBISHI MICROCOMPUTERS Fig. 101 Flowchart of program/erase operation at CPU reprogramming mode ERASE PROGRAM BUSY FLAG = 0 START ADRS = first location X = 0 WRITE PROGRAM COMMAND WRITE PROGRAM DATA WAIT 1 µs X = X + 1 WRITE PROGRAM-VERIFY COMMAND 4016 DIN C016 0016 DURATION = 6 µs X = 25 ? LAST ADRS ? NO INC ADRS WRITE READ COMMAND DEVICE PASSED DEVICE FAILED VERIFY BYTE ? VERIFY BYTE ? FAIL FAIL Program Erase YES YES NO PASS PASS START ADRS = first location X = 0 WRITE ERASE COMMAND PROGRAM ALL BYTES = 0016 ALL BYTES = 0016 ? WRITE ERASE COMMAND X = X + 1 WRITE ERASE-VERIFY COMMAND 2016 2016 A016 0016 DURATION = 6 µs X = 1000 ? LAST ADRS ? NO INC ADRS WRITE READ COMMAND DEVICE PASSED DEVICE FAILED VERIFY BYTE ? VERIFY BYTE ? FAIL FAIL YES YES NO PASS PASS YES NO ERASE PROGRAM BUSY FLAG = 0 WAIT 1 µs NO YES YES NO |
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