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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M69KB096AA датащи(PDF) 14 Page - STMicroelectronics |
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M69KB096AA датащи(HTML) 14 Page - STMicroelectronics |
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14 / 48 page  M69KB096AA 14/48 Figure 8. Set Configuration Register (Software Method) Note: 1. Only the Bus Configuration Register (BCR) and the Refresh Configuration Register (RCR) can be modified. 2. To program the BCR or the RCR on last bus write cycle, DQ0-DQ15 must be set to ‘0001h’ and ‘000h’ respectively. 3. The highest order address location is not modified during this operation. 4. The third write operation must be controlled by the Chip Enable signal. Figure 9. Read Configuration Register (Software Method) Note: 1. To read the BCR, RCR on last bus read cycle, DQ0-DQ15 must be set to ‘0001h’, ‘000h’ respectively. 2. The highest order address location is not modified during this operation. 3. The Chip Enable signal, E, must be held High for 150ns before reading the content of the Configuration Register. 4. The third write operation must be controlled by the Chip Enable signal. Addr. 3FFFFFh E G W LB, UB AI10600b 3FFFFFh 3FFFFFh 3FFFFFh DQ0-DQ15 (2) CR Data IN tEHEL2 tEHEL2 tEHEL2 Don't Care Don't Care (4) Addr. 3FFFFFh E G W LB, UB AI10601b 3FFFFFh 3FFFFFh 3FFFFFh DQ0-DQ15 (1) CR Data OUT tEHEL2 tEHEL2 tEHEL2 Don't Care Don't Care (3) |
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