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GD25B16C 数据表(PDF) 19 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25B16C 数据表(HTML) 19 Page - GigaDevice Semiconductor (Beijing) Inc. |
19 / 53 page 3.3V Uniform Sector Dual and Quad Serial Flash GD25B16C 19 Figure 7. Read Data Bytes at Higher Speed Sequence Diagram 7.8. Dual Output Fast Read (3BH) The Dual Output Fast Read command is followed by 3-byte address (A23-A0) and a dummy byte, each bit being latched in during the rising edge of SCLK, then the memory contents are shifted out 2-bit per clock cycle from SI and SO. The command sequence is shown in followed Figure 8. The first byte addressed can be at any location. The address is automatically incremented to the next higher address after each byte of data is shifted out. Figure 8. Dual Output Fast Read Sequence Diagram 7.9. Quad Output Fast Read (6BH) The Quad Output Fast Read command is followed by 3-byte address (A23-A0) and a dummy byte, each bit being latched in during the rising edge of SCLK, then the memory contents are shifted out 4-bit per clock cycle from IO3, IO2, IO1 and IO0. The command sequence is shown in followed Figure 9. The first byte addressed can be at any location. The address is automatically incremented to the next higher address after each byte of data is shifted out. Command 0 1 2 3 4 5 6 7 0BH CS# SCLK SI SO High-Z 8 9 10 28 29 30 31 3 2 1 0 23 22 21 24-bit address MSB 34 35 36 37 33 6 5 4 3 2 1 0 38 39 Data Out1 32 42 43 44 45 41 46 47 40 7 6 5 4 3 2 1 0 7 6 5 7 Data Out2 CS# SCLK SI SO MSB Dummy Byte Command 0 1 2 3 4 5 6 7 3BH CS# SCLK SI SO High-Z 8 9 10 28 29 30 31 3 2 1 0 23 22 21 24-bit address MSB 34 35 36 37 33 5 3 1 7 5 3 1 38 39 Data Out1 32 42 43 44 45 41 46 47 40 7 Data Out2 CS# SCLK SI SO MSB Dummy Clocks 4 2 0 6 4 2 0 6 6 7 |
类似说明 - GD25B16C |
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