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M93S56-W データシート(PDF) 11 Page - STMicroelectronics |
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M93S56-W データシート(HTML) 11 Page - STMicroelectronics |
11 / 32 page M93S46-W M93S56-W M93S66-W Instructions DocID5124 Rev 7 11/32 Instruction Description W PRE Start bit Op- code Address (1) Data Required clock cycles Additional comments PRCLEAR Protection Register Clear 1 1 1 11 111111 - 9 Protect Flag is also cleared (cleared Flag = 1) PREN Protection Register Enable 1 1 1 00 11XXXX - 9 - PRDS Protection Register Disable 1 1 1 00 000000 - 9 OTP bit is set permanently Note: (1) X = Don’t Care bit. Table 3: Instruction set for the M93S66, M93S56 Instruction Description W PRE Start bit Op- code Address (1)(2) Data Required clock cycles Additional comments READ Read Data from Memory X 0 1 10 A7-A0 Q15-Q0 - - WRITE Write Data to Memory 1 0 1 01 A7-A0 D15-D0 27 Write is executed if the address is not inside the Protected area PAWRITE Page Write to Memory 1 0 1 11 A7-A0 N x D15-D0 11 + N x 16 Write is executed if all the N addresses are not inside the Protected area WRAL Write All Memory with same Data 1 0 1 00 01XXXXXX D15-D0 27 Write all data if the Protection Register is cleared WEN Write Enable 1 0 1 00 11XXXXXX - 11 - WDS Write Disable X 0 1 00 00XXXXXX - 11 - PRREAD Protection Register Read X 1 1 10 XXXXXXXX Q7-Q0 + Flag - Data Output = Protection Register content + Protection Flag bit PRWRITE Protection Register Write 1 1 1 01 A7-A0 - 11 Data above specified address A7-A0 are protected PRCLEAR Protection Register Clear 1 1 1 11 11111111 - 11 Protect Flag is also cleared (cleared Flag = 1) |
同様の部品番号 - M93S56-W |
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同様の説明 - M93S56-W |
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