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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M93C86M93C86-W датащи(PDF) 11 Page - STMicroelectronics |
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M93C86M93C86-W датащи(HTML) 11 Page - STMicroelectronics |
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11 / 33 page  DocID4997 Rev 13 11/33 M93C86xx M93C76xx M93C66xx M93C56xx M93C46xx Instructions 5 Instructions The instruction set of the M93Cx6 devices contains seven instructions, as summarized in Table 4 to Table 6. Each instruction consists of the following parts, as shown in Figure 4: READ, WRITE, WEN, WDS sequences: • Each instruction is preceded by a rising edge on Chip Select Input (S) with Serial Clock (C) being held low. • A start bit, which is the first ‘1’ read on Serial Data Input (D) during the rising edge of Serial Clock (C). • Two op-code bits, read on Serial Data Input (D) during the rising edge of Serial Clock (C). (Some instructions also use the first two bits of the address to define the op-code). • The address bits of the byte or word that is to be accessed. For the M93C46, the address is made up of 6 bits for the x16 organization or 7 bits for the x8 organization (see Table 4). For the M93C56 and M93C66, the address is made up of 8 bits for the x16 organization or 9 bits for the x8 organization (see Table 5). For the M93C76 and M93C86, the address is made up of 10 bits for the x16 organization or 11 bits for the x8 organization (see Table 6). The M93Cx6 devices are fabricated in CMOS technology and are therefore able to run as slow as 0 Hz (static input signals) or as fast as the maximum ratings specified in “AC characteristics” tables, in Section 10: DC and AC parameters. Table 4. Instruction set for the M93C46 Instruction Description Start bit Op- code x8 origination (ORG = 0) x16 origination (ORG = 1) Address (1) Data Required clock cycles Address (1) Data Required clock cycles READ Read Data from Memory 1 10 A6-A0 Q7-Q0 A5-A0 Q15-Q0 WRITE Write Data to Memory 1 01 A6-A0 D7-D0 18 A5-A0 D15-D0 25 WEN Write Enable 1 00 11X XXXX 10 11 XXXX 9 WDS Write Disable 1 00 00X XXXX 10 00 XXXX 9 ERASE Erase Byte or Word 1 11 A6-A0 10 A5-A0 9 ERAL Erase All Memory 1 00 10X XXXX 10 10 XXXX 9 WRAL Write All Memory with same Data 100 01X XXXX D7-D0 18 01 XXXX D15-D0 25 1. X = Don't Care bit. |
Аналогичный номер детали - M93C86M93C86-W |
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Аналогичное описание - M93C86M93C86-W |
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