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TNETV1644ZDU6 데이터시트(PDF) 231 Page - Texas Instruments |
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TNETV1644ZDU6 데이터시트(HTML) 231 Page - Texas Instruments |
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231 / 306 page ![]() VCLK (Positive Edge Clocking) VCLK (Negative Edge Clocking) 17 VCTL(B) VDATA(C) 18 19 22 21 23 24 25 26 VCLKIN(A) A. VCLKIN = PCLK or VPBECLK B. VCTL = HSYNC, VSYNC, LCD_FIELD, and LCD_OE C. VDATA = COUT[7:0], YOUT[7:0], R[7:0], G[7:0], and B[7:0] 20 20 TMS320DM6437 Digital Media Processor www.ti.com SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008 Table 6-45. Switching Characteristics Over Recommended Operating Conditions for VPBE Control and Data Output With Respect to VCLK(1)(2)(3) (see Figure 6-26) -7/-6/-5/-4 -L/-Q6/-Q5/-Q4 NO. PARAMETER UNIT MIN MAX 17 tc(VCLK) Cycle time, VCLK 13.33 160 ns 18 tw(VCLKH) Pulse duration, VCLK high 0.4C ns 19 tw(VCLKL) Pulse duration, VCLK low 0.4C ns 20 tt(VCLK) Transition time, VCLK 7 ns 21 td(VCLKINH-VCLKH) Delay time, VCLKIN high to VCLK high 1 9 ns 22 td(VCLKINL-VCLKL) Delay time, VCLKIN low to VCLK low 1 9 ns 23 td(VCLK-VCTLV) Delay time, VCLK edge to VCTL valid 9 ns 24 td(VCLK-VCTLIV) Delay time, VCLK edge to VCTL invalid 0.6 ns 25 td(VCLK-VDATAV) Delay time, VCLK edge to VDATA valid 9 ns 26 td(VCLK-VDATAIV) Delay time, VCLK edge to VDATA invalid 0.6 ns (1) The VPBE may be configured to operate in either positive or negative edge clocking mode. When in positive edge clocking mode, the rising edge of VCLK is referenced. When in negative edge clocking mode, the falling edge of VCLK is referenced. (2) VCLKIN = PCLK or VPBECLK (3) C = VCLK period in ns. Figure 6-26. VPBE Control and Data Output Timing With Respect to VCLK Submit Documentation Feedback Peripheral Information and Electrical Specifications 231 |
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