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GD25LB32D 数据表(PDF) 50 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25LB32D 数据表(HTML) 50 Page - GigaDevice Semiconductor (Beijing) Inc. |
50 / 67 page 1.8V Uniform Sector Dual and Quad Serial Flash GD25LB32D 50 7.33. Set Read Parameters (C0H) In QPI mode the “Set Read Parameters (C0H)” command can be used to configure the number of dummy clocks for “Fast Read (0BH)”, “Quad I/O Fast Read (EBH)” and “Burst Read with Wrap (0CH)” command, and to configure the number of bytes of “Wrap Length” for the “Burst Read with Wrap (0CH)” command. The “Wrap Length” is set by W5-6 bit in the “Set Burst with Wrap (77H)” command. This setting will remain unchanged when the device is switched from Standard SPI mode to QPI mode. P5-P4 Dummy Clocks Maximum Read Freq. P1-P0 Wrap Length 0 0 4 80MHz 0 0 8-byte 0 1 4 80MHz 0 1 16-byte 1 0 6 108MHz 1 0 32-byte 1 1 8 120MHz 1 1 64-byte Figure33. Set Read Parameters command Sequence Diagram CS# SCLK IO0 IO1 IO2 IO3 0 1 2 3 Command C0H P4 P0 P6 P2 P7 P3 P5 P1 Read Parameters |
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