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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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GD25S512MDFJS 数据表(PDF) 10 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25S512MDFJS 数据表(HTML) 10 Page - GigaDevice Semiconductor (Beijing) Inc. |
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10 / 87 page  3.3V Uniform Sector Dual and Quad Serial Flash GD25S512MD 10 4. DEVICE OPERATION 4.1. Stacked Die Operations Once the device is power on, Die #0 will be active and have control of SPI bus. “Software Die Select (C2H)” instruction followed by the 8-bit Die ID can be used to select the active die. The active die is available to accept any instruction issued by the controller and perform specific operations. The inactive/idle die does not accept any other instruction except the “Software Die Select (C2H)” and “Software Reset (66H+99H)”. However, the inactive/idle die can still perform internal Program/Erase operation which was initiated when the die was active. Therefore, “Read (on Active die) while Program/Erase (on Idle die)” and “Multi–die Program/Erase (both Active & Idle dies)” concurrent operations are feasible in the stack die configuration. “Software Die Select (C2H)” instruction will only change the active / idle status of the stacked dies, and it will not interrupt any on-going Program/Erase operations. “0” “1” B7H E9H Die #1 4-Byte Address 3-Byte Address SPI Dual SPI Quad SPI SPI Dual SPI Quad SPI ID = #1 ADP=? “0” “1” B7H E9H Die #0 4-Byte Address 3-Byte Address SPI Dual SPI Quad SPI SPI Dual SPI Quad SPI ADP=? (default active after power is up) ID = #0 Software Die Select (C2H) Device Initialization & Status Register Refresh (Non-Volatile Cells) Power Up Note: ADP bit in the Status Register is only used to determine 3-Byte or 4-Byte address modes during power up. Changing ADP bit value will not switch the address modes during normal operation. |
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