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IS25LE01G-RILA3-TY bảng dữ liệu(PDF) 91 Page - Integrated Silicon Solution, Inc |
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IS25LE01G-RILA3-TY bảng dữ liệu(HTML) 91 Page - Integrated Silicon Solution, Inc |
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91 / 186 page ![]() IS25LE01G IS25WE01G Integrated Silicon Solution, Inc.- www.issi.com 91 Rev. A6 01/14/2025 8.14 BLOCK ERASE OPERATION (BER32K:52h or 4BER32K:5Ch, BER64K/256K:D8h or 4BER64K/256K:DCh) A Block Erase (BER) instruction erases a 32/64 or 32/256 Kbyte block. Before the execution of a BER instruction, the Write Enable Latch (WEL) must be set via a Write Enable (WREN) instruction. The WEL is reset automatically after the completion of a block erase operation. • 52h/D8h (EXTADD=0) is followed by a 3-byte address (A23-A0) or • 52h/D8h (EXTADD=1) is followed by a 4-byte address (A31-A0) or • 5Ch/DCh is followed by a 4-byte address (A31-A0) The BER instruction code and three or four address bytes as above are input via SI. Erase operation will start immediately after the CE# is pulled high, otherwise the BER instruction will not be executed. The internal control logic automatically handles the erase voltage and timing. Figure 8.31 Block Erase (64K/256K) Sequence In SPI Mode (D8h [EXTADD=0], 3-byte address) Instruction = D8h 23 CE # SCK SI 3 2 SO 1 0 3-byte Address High Impedance 22 21 ... 0 1 2 3 4 5 6 7 8 9 10 ... 28 29 30 31 Mode 3 Mode 0 Figure 8.32 Block Erase (64K/256K) Sequence In SPI Mode (D8h [EXTADD=1] or DCh, 4-byte address) 31 4-byte Address 29 28 36 37 38 39 Instruction = D8h/DCh CE # SCK SI 3 2 SO 1 0 High Impedance ... 0 1 2 3 4 5 6 7 8 9 10 ... Mode 3 Mode 0 |
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