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OMAP3530ECBBA 数据表(PDF) 194 Page - Texas Instruments |
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OMAP3530ECBBA 数据表(HTML) 194 Page - Texas Instruments |
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194 / 265 page  OMAP3530, OMAP3525 SPRS507H – FEBRUARY 2008 – REVISED OCTOBER 2013 www.ti.com Table 6-34. ISP Timing Conditions – ITU Mode (continued) TIMING CONDITION PARAMETER VALUE UNIT tF Input signal fall time 2.7 ns Output Conditions CLOAD Output load capacitance 8.6 pF Table 6-35. ISP Timing Requirements – ITU Mode(1) NO. PARAMETER 1.15 V 1.0 V UNIT MIN MAX MIN MAX ISP17 tc(pclk) Cycle time(2), cam_pclk period 13.3 22.2 ns ISP18 tW(pclkH) Typical pulse duration, cam_pclk high 0.5*P(3) 0.5*P(3) ns ISP18 tW(pclkL) Typical pulse duration, cam_pclk low 0.5*P(3) 0.5*P(3) ns tdc(pclk) Duty cycle error, cam_pclk 667 1111 ps tj(pclk) Cycle jitter(4), cam_pclk 133 200 ps ISP23 tsu(dV-pclkH) Setup time, cam_d[9:0] valid before cam_pclk 1.82 3.25 ns rising edge ISP24 th(pclkH-dV) Hold time, cam_d[9:0] valid after cam_pclk rising 1.82 3.25 ns edge (1) The timing requirements are assured for the cycle jitter and duty cycle error conditions specified. (2) Related with the input maximum frequency supported by the ISP module. (3) P = cam_lclk period in ns. (4) Maximum cycle jitter supported by cam_lclk input clock. Table 6-36. ISP Switching Characteristics – ITU Mode NO. PARAMETER 1.15 V 1.0 V UNIT MIN MAX MIN MAX ISP15 tc(xclk) Cycle time(1), cam_xclk period 4.6 4.6 ns ISP16 tW(xclkH) Typical pulse duration, cam_xclk high 0.5*PO(2) 0.5*PO(2) ns ISP16 tW(xclkL) Typical pulse duration, cam_xclk low 0.5*PO(2) 0.5*PO(2) ns tdc(xclk) Duty cycle error, cam_xclk 231 231 ps tj(xclk) Jitter standard deviation(3), cam_xclk 33 33 ps tR(xclk) Rise time, cam_xclk 0.93 0.93 ns tF(xclk) Fall time, cam_xclk 0.93 0.93 ns (1) Related with the cam_xclk maximum and minimum frequencies programmable in the ISP module. Warning: The camera sensor or the camera module must be disabled to change the frequency configuration. For more information, see the OMAP35x Technical Reference Manual (TRM) [literature number SPRUF98] (2) PO = cam_xclk period in ns (3) The jitter probability density can be approximated by a Gaussian function. 194 TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: OMAP3530 OMAP3525 |
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