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IS25LE128E-RMLA3:P-TY データシート(PDF) 151 Page - Integrated Silicon Solution, Inc |
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IS25LE128E-RMLA3:P-TY データシート(HTML) 151 Page - Integrated Silicon Solution, Inc |
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151 / 197 page ![]() IS25LE256E/128E IS25WE256E/128E Integrated Silicon Solution, Inc.- www.issi.com 151 Rev.A9 03/07/2023 8.47 READ BANK ADDRESS REGISTER OPERATION (RDBR: 16h/C8h) The Read Bank Address Register (RDBR) instruction allows the Bank Address Register contents to be read. RDBR is used to read only a volatile Bank Address Register. The instruction code is first shifted in. Then the 8-bit Bank Register is shifted out. It is possible to read the Bank Address Register continuously by providing multiples of eight bits. Data is shifted in from SI and data is shifted out from SO in SPI sequence whereas data in and out is via four pins (IO0-IO3) in QPI sequence. Figure 8.107 Read Bank Address Register Sequence In SPI Mode Instruction = 16h/C8h 7 CE # SCK SI 3 2 SO 1 0 Data Out 6 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Mode 3 Mode 0 4 tV Figure 8.108 Read Bank Address Register Sequence In QPI Mode 16h/C8h 0 1 Mode 3 Mode 0 2 3 7:4 3:0 CE# SCK IO[3:0] tV Data Out |
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