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TNETV1644ZDU6 Scheda tecnica(PDF) 229 Page - Texas Instruments |
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TNETV1644ZDU6 Scheda tecnica(HTML) 229 Page - Texas Instruments |
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229 / 306 page ![]() PCLK (Positive Edge Clocking) 9 PCLK (Negative Edge Clocking) 10 VCTL(A) A. VCTL = HSYNC and VSYNC VPBECLK 27 28 33 34 35 36 LCD_FIELD TMS320DM6437 Digital Media Processor www.ti.com SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008 Table 6-43. Timing Requirements for VPBE Control Input With Respect to PCLK and VPBECLK(1) (see Figure 6-24) -7/-6/-5/-4 -L/-Q6/-Q5/-Q4 NO. UNIT MIN MAX 9 tsu(VCTLV-PCLK) Setup time, VCTL valid before PCLK edge 3 ns 10 th(PCLK-VCTLV) Hold time, VCTL valid after PCLK edge 1 ns 27 tsu(VCTLV-VPBECLK) Setup time, VCTL valid before VPBECLK rising edge 3 ns 28 th(VPBECLK-VCTLV) Hold time, VCTL valid after VPBECLK rising edge 1 ns 33 tsu(FIELD-PCLK) Setup time, LCD_FIELD valid before PCLK edge 5P(2) ns 34 th(PCLK-FIELD) Hold time, LCD_FIELD valid after PCLK edge 5P(2) ns 35 tsu(FIELD-VPBECLK) Setup time, LCD_FIELD valid before VPBECLK edge 5P(2) ns 36 th(VPBECLK-FIELD) Hold time, LCD_FIELD valid after VPBECLK edge 5P(2) ns (1) PCLK may be configured to operate in either positive or negative edge clocking mode. When in positive edge clocking mode, the rising edge of PCLK is referenced. When in negative edge clocking mode, the falling edge of PCLK is referenced. (2) P = 1/(VCLKIN clock frequency) in ns. VCLKIN is either PCLK or VPBECLK, whichever is used. Figure 6-24. VPBE Input Timing With Respect to PCLK and VPBECLK Submit Documentation Feedback Peripheral Information and Electrical Specifications 229 |
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