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SH7041A 데이터시트(PDF) 714 Page - Renesas Technology Corp |
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SH7041A 데이터시트(HTML) 714 Page - Renesas Technology Corp |
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714 / 923 page ![]() 676 Start Set EPROM writer to write/verify mode (V CC = 6.0 V ± 0.25 V, V PP = 12.5 V ± 0.3 V) Address = 0 n = 0 n + 1 → n Data write (t PW = 0.2 ms ± 5%) Data write (t OPW = 0.2n ms) Is verify result OK? No Yes Final address? No Yes Set EPROM writer to read mode (V CC = 5.0 V ± 0.25 V, V PP = VCC) All address read results OK? No Yes End No good No V CC: Power supply V PP: PROM program power supply t PW: Initial programming pulse width t OPW: Over-programming pulse width n = 25? Yes Address + 1 → address < Preliminary > Figure 21.6 High-Speed, High-Reliability Programming Basic Flow |
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