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32megabit 2.7V DataFlash AT45DB321D芯片手册

更新时间：2018-08-08 09:07:44 大小：2M 上传用户：ningling_21查看TA发布的资源 标签：at45db321芯片 下载积分：1分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

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英文芯片手册，


The AT45DB321D is a 2.7-volt, serial-interface sequential access Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. The AT45DB321D supports RapidS serial interface for applications requiring very high speed operations. RapidS serial interface is SPI compatible for frequencies up to 66 MHz. Its 34,603,008 bits of memory are organized as 8,192 pages of 512 bytes or 528 bytes each. In addition to the main memory, the AT45DB321D also contains two SRAM buffers of 512/528 bytes each. The buffers allow the receiving of data while a page in the main Memory is being reprogrammed, as well as writing a continuous data stream. EEPROM emulation (bit or byte alterability) is easily handled with a self-contained three step read-modify-write operation. Unlike conventional Flash memories that are accessed randomly with multiple address lines and a parallel interface, the DataFlash uses a RapidS serial interface to

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AT45DB321D-SU.pdf 2M

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