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AM652X Scheda tecnica(PDF) 167 Page - Texas Instruments |
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AM652X Scheda tecnica(HTML) 167 Page - Texas Instruments |
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167 / 277 page ![]() CAP CAP1 EPERIPHERALS_TIMNG_01 VOUT1_EXTPCLKIN D6 D7 D8 DPI_02 Falling-edge Clock Reference Rising-edge Clock Reference VOUT1_EXTPCLKIN 167 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08I – NOVEMBER 2017 – REVISED DECEMBER 2019 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2019, Texas Instruments Incorporated Table 5-43. DPI External Pixel Clock Input Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT D6 tc(VOUT1_EXTPCLKIN) Cycle time, VOUT1_EXTPCLKIN 6.06 ns D7 tw(VOUT1_EXTPCLKIN) Pulse duration, VOUT1_EXTPCLKIN low 0.45 × P(1) ns D8 tw(VOUT1_EXTPCLKIN) Pulse duration, VOUT1_EXTPCLKIN high 0.45 × P(1) ns (1) P = output VOUT1_PCLK period in ns. Figure 5-36. DPI External Pixel Clock Input For more information, see section Display Subsystem (DSS) in the device TRM. 5.9.5.6 eCAP The supported features by the device eCAP are: • 32-bit time base counter • 4-event time-stamp registers (each 32 bits) • Independent edge polarity selection for up to four sequenced time-stamp capture events • Interrupt capabilities on any of the four capture events • Input capture signal pre-scaling (from 1 to 16) • Support of different capture modes (single shot capture, continuous mode capture, absolute timestamp capture or difference mode time-stamp capture) Table 5-44 and Table 5-45 present timing and switching characteristics for eCAP (see Figure 5-37 and Figure 5-38). Table 5-44. Timing Requirements for eCAP NO. PARAMETER DESCRIPTION MIN MAX UNIT CAP1 tw(CAP) Pulse duration, capture input (asynchronous) 3 + 2P(1) ns (1) P = sysclk Figure 5-37. eCAP Input Timings Table 5-45. Switching Characteristics for eCAP NO. PARAMETER DESCRIPTION MIN MAX UNIT CAP2 tw(APWM) Pulse duration, APWMx output high/low -3 + 2P(1) ns |
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