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ORSPI4 데이터시트(PDF) 139 Page - Lattice Semiconductor

부품명 ORSPI4
상세설명  Dual SPI4 Interface and High-Speed SERDES FPSC
PDF  263 Pages
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제조업체  LATTICE [Lattice Semiconductor]
홈페이지  http://www.latticesemi.com
Logo LATTICE - Lattice Semiconductor

ORSPI4 데이터시트(HTML) 139 Page - Lattice Semiconductor

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Lattice Semiconductor
ORCA ORSPI4 Data Sheet
139
Figure 74. .ORSPI4 Memory Controller Interface to QDRII: 4-Word Burst Mode
Figure 75 shows the timing of signals at the QDRII SRAM interface for two-word reads and writes. In this case,
address data is sent on both the rising and falling edges of the positive clock signal. Write data is sent on the first
rising edge of K before the write address and second data word are provided on the falling edge. As in the four-
word case, read data is returned on the second rising edge of K after the read address is provided (on a rising
edge of the positive clock).
Figure 75. ORSPI4 Memory Controller Interface to QDRII: 2-Word Burst Mode
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