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JS28F320J3A-150 Datasheet(PDF) 61 Page - Intel Corporation |
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JS28F320J3A-150 Datasheet(HTML) 61 Page - Intel Corporation |
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61 / 72 page ![]() 256-Mbit J3 (x8/x16) Datasheet 61 Figure 20. Byte/Word Program Flowchart Start Write 40H, Address Write Data and Address Read Status Register SR.7 = Full Status Check if Desired Byte/Word Program Complete Read Status Register Data (See Above) Voltage Range Error Device Protect Error Programming Error Byte/Word Program Successful SR.3 = SR.1 = SR.4 = FULL STATUS CHECK PROCEDURE Bus Operation Write Write Standby 1. Toggling OE# (low to high to low) updates the status register. This can be done in place of issuing the Read Status Register command. Repeat for subsequent programming operations. SR full status check can be done after each program operation, or after a sequence of programming operations. Write FFH after the last program operation to place device in read array mode. Bus Operation Standby Standby Toggling OE# (low to high to low) updates the status register. This can be done in place of issuing the Read Status Register command. Repeat for subsequent programming operations. SR.4, SR.3 and SR.1 are only cleared by the Clear Status Register command in cases where multiple locations are programmed before full status is checked. If an error is detected, clear the status register before attempting retry or other error recovery. 0 1 1 0 1 0 1 0 Command Setup Byte/ Word Program Byte/Word Program Comments Data = 40H Addr = Location to Be Programmed Data = Data to Be Programmed Addr = Location to Be Programmed Check SR.7 1 = WSM Ready 0 = WSM Busy Command Comments Check SR.3 1 = Programming to Voltage Error Detect Check SR.4 1 = Programming Error Read (Note 1) Status Register Data Standby Check SR.1 1 = Device Protect Detect RP# = V IH, Block Lock-Bit Is Set Only required for systems implemeting lock-bit configuration. |
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