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W25Q257FVFIQ Datasheet(PDF) 10 Page - Winbond |
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W25Q257FVFIQ Datasheet(HTML) 10 Page - Winbond |
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10 / 104 page  W25Q257FV - 9 - 5. BLOCK DIAGRAM Figure 2. W25Q257FV Serial Flash Memory Block Diagram 003000h 0030FFh 002000h 0020FFh 001000h 0010FFh Column Decode And 256-Byte Page Buffer Beginning Page Address Ending Page Address SPI Command & Control Logic Byte Address Latch / Counter Status Register Write Control Logic Page Address Latch / Counter DO (IO 1) DI (IO 0) /CS CLK /HOLD (IO 3) or RESET /WP (IO 2) High Voltage Generators xx0F00h xx0FFFh • Sector 0 (4KB) • xx0000h xx00FFh xx1F00h xx1FFFh • Sector 1 (4KB) • xx1000h xx10FFh xx2F00h xx2FFFh • Sector 2 (4KB) • xx2000h xx20FFh • • • xxDF00h xxDFFFh • Sector 13 (4KB) • xxD000h xxD0FFh xxEF00h xxEFFFh • Sector 14 (4KB) • xxE000h xxE0FFh xxFF00h xxFFFFh • Sector 15 (4KB) • xxF000h xxF0FFh Block Segmentation Data Security Register 1 - 3 000000h 0000FFh SFDP Register 0000FF00h 0000FFFFh • Block 0 (64KB) • 00000000h 000000FFh • • • 007FFF00h 007FFFFFh • Block 127 (64KB) • 007F0000h 007F00FFh 0080FF00h 0080FFFFh • Block 128 (64KB) • 00800000h 008000FFh • • • 00FFFF00h 00FFFFFFh • Block 255 (64KB) • 00FF0000h 00FF00FFh 0100FF00h 0100FFFFh • Block 256 (64KB) • 01000000h 010000FFh • • • 01FFFF00h 01FFFFFFh • Block 511 (64KB) • 01FF0000h 01FF00FFh |
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