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IS25WP032D-JELE データシート(PDF) 67 Page - Integrated Silicon Solution, Inc |
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IS25WP032D-JELE データシート(HTML) 67 Page - Integrated Silicon Solution, Inc |
67 / 118 page IS25LP032D IS25WP032D Integrated Silicon Solution, Inc.- www.issi.com 67 Rev. A12 08/04/2020 8.24 SET READ PARAMETERS OPERATION (SRPNV: 65h, SRPV: C0h/63h) Set Read Parameter Bits This device supports configurable burst length and dummy cycles in both SPI and QPI mode by setting three bits (P2, P1, P0) and four bits (P6, P5, P4, P3) within the Read Register, respectively. To set those bits the SRPNV and SRPV operation instruction are used. Details regarding burst length and dummy cycles can be found in Table 6.9, Table 6.10, and Table 6.11. HOLD#/RESET# pin selection (P7) bit in the Read Register can be set with the SRPNV and SRPV operation as well, in order to select HOLD#/RESET# pin as RESET# or HOLD#. For the device with dedicated RESET# pin (or ball), RESET# pin (or ball) will be a separate pin (or ball) and it is independent of the P7 bit setting in Read Register SRPNV is used to set the non-volatile Read register, while SRPV is used to set the volatile Read register. Note: When SRPNV is executed, the volatile Read Register is set as well as the non-volatile Read Register. Figure 8.40 Set Read Parameters Sequence In SPI Mode Instruction = 65h or C0h/63h CE # SCK SI SO Data In 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Mode 3 Mode 0 7 3 2 1 0 6 5 4 High Impedence Figure 8.41 Set Read Parameters Sequence In QPI Mode 65h or C0h/63h 0 1 Mode 3 Mode 0 2 3 7:4 3:0 CE# SCK IO[3:0] Data In |
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同様の説明 - IS25WP032D-JELE |
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