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TLK6002 数据表(PDF) 22 Page - Texas Instruments |
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TLK6002 数据表(HTML) 22 Page - Texas Instruments |
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22 / 96 page ![]() RXCLK_A RDA_ [19:0 ] Data Data Data Data Data SourceCentered (DDR) Source Aligned (DDR) Data Data Data Data FallingEdge Aligned (RisingEdgeSampled)(SDR) RisingEdge Aligned (FallingEdgeSampled )(SDR) RDA_ [19:0] RDA_ [19:0] RDA_ [19:0] tSETUP tHOLD tSETUP tHOLD TLK6002 SLLSE34 – MAY 2010 www.ti.com 2.7 16-bit DDR (Double Data Rate) Mode (8b/10b Encoder/Decoder Enabled) When DDR is enabled with the 8b/10b encoder enabled, the data format is identical to that of "16-bit SDR (Single Data Rate) Mode (8b/10b Encoder/Decoder Enabled)" mode, except that four symbols are transferred per parallel interface clock cycle instead of two. See the referenced previous section for further details. 2.8 Parallel Interface Clocking Modes The TLK6002 supports source centered timing and source aligned DDR timing on the parallel receive output bus. TLK6002 also supports rising edge aligned and falling edge aligned SDR timing on the parallel receive output bus. See Figure 2-4 for more details. Figure 2-4. Receive Interface Timing – Source Centered/Aligned (Channel A is shown). The transmit input timing modes are shown in Figure 2-5. Transmit SDR/DDR input timing modes supported are similar to RX modes. 22 Description Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TLK6002 |
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