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ATXP032 Datasheet(PDF) 30 Page - Dialog Semiconductor |
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ATXP032 Datasheet(HTML) 30 Page - Dialog Semiconductor |
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30 / 113 page  28 ATXP032 DS-ATXP032–114I–4-2020 time to determine if the data bytes have finished programming. For fastest throughput and least power consumption, it is recommended that the Active Status Interrupt command 25h be used. After the initial 16 clocks, no more clocks are required. Once the BUSY cycle is done, SO will be driven low immediately to signal the device has finished programming. At some point before the program cycle completes, the WEL bit in the Status/Control register is reset back to the logic “0” state. The device also incorporates an intelligent programming algorithm that can detect when a byte location fails to program properly. If a programming error arises, it is indicated by the EPE bit in the Status/Control register. Note that in octal DDR mode, the byte program operation programs two bytes instead of one, and the page program operation programs an even number of bytes. Address bit A 0 has to be 0 in this case. Figure 9-1. Byte Program Figure 9-2. Byte Program in Octal Mode — SDR SCK CS SI SO MSB MSB 2 3 1 0 0 0 0 0 0 0 1 0 6 7 5 4 10 11 9 8 12 39 37 38 44 47 46 45 42 43 40 41 Opcode High-Impedance A A A A A A A A A MSB D D D D D D D D Address Bits A31-A0 Data In DS Byte Data In A23-16 A15-8 A7-0 A31-24 Address 02h Opcode 1 0 5 3 4 2 I/O7-0 SCK CS DS |
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