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IS25LE512MG-RLLA2:PTY датащи(PDF) 117 Page - Integrated Silicon Solution, Inc |
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IS25LE512MG-RLLA2:PTY датащи(HTML) 117 Page - Integrated Silicon Solution, Inc |
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117 / 194 page ![]() IS25LE512MG IS25WE512MG Integrated Silicon Solution, Inc.- www.issi.com 117 Rev. A6 10/02/2025 8.33 READ PRODUCT IDENTIFICATION BY JEDEC ID OPERATION (RDJDID, 9Fh; RDJDIDQ, AFh) The JEDEC ID READ instruction allows the user to read the manufacturer and product ID of devices. Refer to Table 8.8 Product Identification for Manufacturer ID and Device ID. After the JEDEC ID READ command (9Fh in SPI mode, AFh in QPI mode) is input, the Manufacturer ID is shifted out MSB first followed by the 2-byte electronic ID (ID15-ID0) that indicates Memory Type and Capacity, one bit at a time. Each bit is shifted out during the falling edge of SCK. If CE# stays low after the last bit of the 2-byte electronic ID, the Manufacturer ID and 2-byte electronic ID will loop until CE# is pulled high. Figure 8.72 Read Product Identification by JEDEC ID Read Sequence in SPI mode Instruction = 9Fh Memory Type (ID15-ID8) CE# SCK SI Capacity (ID7-ID0) SO 0 1 ... 7 8 9 ... 15 16 17 ... 23 24 25 ... 31 Mode 3 Mode 0 Manufacturer ID (MF7-MF0) tV Figure 8.73 RDJDID and RDJDIDQ (Read JEDEC ID) Sequence In QPI Mode 9Fh/AFh CE# SCK IO[3:0] 0 1 Mode 3 Mode 0 2 3 7:4 3:0 4 5 7:4 3:0 6 7 7:4 3:0 MF7-MF0 ID15-ID8 ID7-ID0 tV |
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