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NAND04GA3C2A датащи(PDF) 21 Page - STMicroelectronics |
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NAND04GA3C2A датащи(HTML) 21 Page - STMicroelectronics |
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21 / 51 page ![]() NAND04GA3C2A, NAND04GW3C2A 6 Device operations 21/51 The Ready/Busy signal can be used to monitor the start of the operation. During the latency period the Ready/Busy signal goes Low, after this the Ready/Busy signal goes High, even if the device is internally downloading page n+1. Once the Cache Read operation has started, the Status Register can be read using the Read Status Register command. During the operation, SR5 can be read, to find out whether the internal reading is ongoing (SR5 = ‘0’), or has completed (SR5 = ‘1’), while SR6 indicates whether the Cache Register is ready to download new data. To exit the Cache Read operation an Exit Cache Read command must be issued (see Table 8). Figure 7. Cache Read Operation 6.5 Page Program The Page Program operation is the standard operation to program data to the memory array. Generally, data is programmed sequentially, however the device does support Random Input within a page. The memory array is programmed by page, however partial page programming is allowed where any number of Bytes (1 to 2112) can be programmed. Only one consecutive partial page program operations is allowed on the same page. After exceeding this a Block Erase command must be issued before any further program operations can take place in that page. I/O RB Address Inputs ai08661 00h Read Setup Code 31h Cache Read Confirm Code Busy tBLBH1 (Read Busy time) 1st page Data Output 2nd page 3rd page last page 34h Exit Cache Read Code Block N |
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