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IS25LP032D-RBLE:P bảng dữ liệu(PDF) 36 Page - Integrated Silicon Solution, Inc |
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IS25LP032D-RBLE:P bảng dữ liệu(HTML) 36 Page - Integrated Silicon Solution, Inc |
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36 / 118 page ![]() IS25LP032D IS25WP032D Integrated Silicon Solution, Inc.- www.issi.com 36 Rev. A12 08/04/2020 8.2 FAST READ OPERATION (FRD, 0Bh) The FAST READ (FRD) instruction is used to read memory data at up to a 133MHz clock. The FAST READ instruction code is followed by three address bytes (A23 - A0) and dummy cycles (configurable, default is 8 clocks), transmitted via the SI line, with each bit latched-in during the rising edge of SCK. Then the first data byte from the address is shifted out on the SO line, with each bit shifted out at a maximum frequency fCT, during the falling edge of SCK. The first byte addressed can be at any memory location. The address is automatically incremented by one after each byte of data is shifted out. When the highest address is reached, the address counter will roll over to the 000000h address, allowing the entire memory to be read with a single FAST READ instruction. The FAST READ instruction is terminated by driving CE# high (VIH). If the FAST READ instruction is issued while an Erase, Program or Write cycle is in process (WIP=1) the instruction is ignored without affecting the current cycle. Figure 8.2 Fast Read Sequence Instruction = 0Bh 3-byte Address 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 ... 7 6 CE # SCK SI 5 3 2 SO 4 1 Data Out 23 CE # SCK SI 3 2 SO 1 0 High Impedance 22 21 ... 0 1 2 3 4 5 6 7 8 9 10 ... Mode 3 Mode 0 tV Dummy Cycles 0 ... Note: Dummy cycles depends on Read Parameter setting. Detailed information in Table 6.11 Read Dummy Cycles. |
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