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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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JS28F640P30T85 датащи(PDF) 45 Page - Numonyx B.V |
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JS28F640P30T85 датащи(HTML) 45 Page - Numonyx B.V |
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45 / 99 page  November 2007 Datasheet Order Number: 306666-11 45 P30 9.2 Device Commands Device operations are initiated by writing specific device commands to the Command User Interface (CUI). See Table 23, “Command Bus Cycles” on page 45. Several commands are used to modify array data including Word Program and Block Erase commands. Writing either command to the CUI initiates a sequence of internally-timed functions that culminate in the completion of the requested task. However, the operation can be aborted by either asserting RST# or by issuing an appropriate suspend command. Table 23: Command Bus Cycles Mode Command Bus Cycles First Bus Cycle Second Bus Cycle Oper Addr(1) Data(2) Oper Addr(1) Data(2) Read Read Array 1 Write DnA 0xFF - - - Read Device Identifier ≥ 2 Write DnA 0x90 Read DBA + IA ID CFI Query ≥ 2 Write DnA 0x98 Read DBA + QA QD Read Status Register 2 Write DnA 0x70 Read DnA SRD Clear Status Register 1 Write DnA 0x50 - - - Program Word Program 2 Write WA 0x40/ 0x10 Write WA WD Buffered Program(3) > 2Write WA 0xE8 Write WA N - 1 Buffered Enhanced Factory Program (BEFP)(4) > 2 Write WA 0x80 Write WA 0xD0 Erase Block Erase 2 Write BA 0x20 Write BA 0xD0 Suspend Program/Erase Suspend 1 Write DnA 0xB0 - - - Program/Erase Resume 1 Write DnA 0xD0 - - - Block Locking/ Unlocking Lock Block 2 Write BA 0x60 Write BA 0x01 Unlock Block 2 Write BA 0x60 Write BA 0xD0 Lock-down Block 2 Write BA 0x60 Write BA 0x2F Protection Program Protection Register 2 Write PRA 0xC0 Write PRA PD Program Lock Register 2 Write LRA 0xC0 Write LRA LRD Configuration Program Read Configuration Register 2 Write RCD 0x60 Write RCD 0x03 Notes: 1. First command cycle address should be the same as the operation’s target address. DBA = Device Base Address (NOTE: needed for dual-die 512 Mb device) DnA = Address within the device. IA = Identification code address offset. QA = CFI Query address offset. WA = Word address of memory location to be written. BA = Address within the block. PRA = Protection Register address. LRA = Lock Register address. RCD = Read Configuration Register data on QUAD+ A[15:0] or EASY BGA A[16:1]. 2. ID = Identifier data. QD = Query data on DQ[15:0]. SRD = Status Register data. WD = Word data. N = Word count of data to be loaded into the write buffer. PD = Protection Register data. LRD = Lock Register data. 3. The second cycle of the Buffered Program Command is the word count of the data to be loaded into the write buffer. This is followed by up to 32 words of data.Then the confirm command (0xD0) is issued, triggering the array programming operation. 4. The confirm command (0xD0) is followed by the buffer data. |
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