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AD9645 数据表(PDF) 7 Page - Analog Devices |
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AD9645 数据表(HTML) 7 Page - Analog Devices |
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7 / 36 page  Data Sheet AD9645 Rev. 0 | Page 7 of 36 Timing Diagrams Refer to the Memory Map Register Descriptions section and Table 20 for SPI register settings. D0A– D0A+ D1A– D1A+ FCO– BYTEWISE MODE FCO+ D0A– D0A+ D1A– D1A+ FCO– DCO– DCO+ DCO+ CLK+ VINx± CLK– DCO– FCO+ BITWISE MODE SDR DDR MSB N – 17 D12 N – 17 D11 N – 17 D10 N – 17 D09 N – 17 D08 N – 17 D07 N – 17 D06 N – 17 MSB N – 16 D12 N – 16 D11 N – 16 D10 N – 16 D09 N – 16 D08 N – 16 D07 N – 16 D06 N – 16 D05 N – 17 D04 N – 17 D03 N – 17 D02 N – 17 D01 N – 17 LSB N – 17 0 N – 17 0 N – 17 D05 N – 16 D04 N – 16 D03 N – 16 D02 N – 16 D01 N – 16 LSB N – 16 0 N – 16 0 N – 16 MSB N – 17 D11 N – 17 D09 N – 17 D07 N – 17 D05 N – 17 D03 N – 17 D01 N – 17 0 N – 17 MSB N – 16 D11 N – 16 D09 N – 16 D07 N – 16 D05 N – 16 D03 N – 16 D01 N – 16 0 N – 16 D12 N – 17 D10 N – 17 D08 N – 17 D06 N – 17 D04 N – 17 D02 N – 17 LSB N – 17 0 N – 17 D12 N – 16 D10 N – 16 D08 N – 16 D06 N – 16 D04 N – 16 D02 N – 16 LSB N – 16 0 N – 16 tA tDATA tLD tEH tFCO tFRAME tPD tCPD tEL N – 1 N N + 1 Figure 2. 16-Bit DDR/SDR, Two-Lane, 1× Frame Mode (Default) D0A– D0A+ D1A– D1A+ FCO– BYTEWISE MODE FCO+ D0A– D0A+ D1A– D1A+ FCO– DCO– DCO+ DCO+ CLK+ CLK– DCO– FCO+ BITWISE MODE SDR DDR D10 N – 16 D08 N – 16 D06 N – 16 D04 N – 16 D02 N – 16 LSB N – 16 D10 N – 17 D08 N – 17 D06 N – 17 D04 N – 17 D02 N – 17 LSB N – 17 MSB N – 16 D09 N – 16 D07 N – 16 D05 N – 16 D03 N – 16 D01 N – 16 MSB N – 17 D09 N – 17 D07 N – 17 D05 N – 17 D03 N – 17 D01 N – 17 D05 N – 16 D04 N – 16 D03 N – 16 D02 N – 16 D01 N – 16 LSB N – 16 D05 N – 17 D04 N – 17 D03 N – 17 D02 N – 17 D01 N – 17 LSB N – 17 MSB N – 16 D10 N – 16 D09 N – 16 D08 N – 16 D07 N – 16 D06 N – 16 MSB N – 17 D10 N – 17 D09 N – 17 D08 N – 17 D07 N – 17 D06 N – 17 tEH tCPD tFRAME tFCO tPD tDATA tLD tEL VINx± tA N – 1 N N + 1 Figure 3. 12-Bit DDR/SDR, Two-Lane, 1× Frame Mode |
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