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IMX35 датащи(PDF) 85 Page - Freescale Semiconductor, Inc |
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IMX35 датащи(HTML) 85 Page - Freescale Semiconductor, Inc |
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85 / 148 page ![]() i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 6 Freescale Semiconductor 85 Figure 62. Asynchronous Parallel System 68k Interface (Type 2) Timing Diagram Table 54. Asynchronous Parallel Interface Timing Parameters—Access Level ID Parameter Symbol Min. Typ.1 Max. Units IP27 Read system cycle time Tcycr Tdicpr – 1.5 Tdicpr2 Tdicpr + 1.5 ns IP28 Write system cycle time Tcycw Tdicpw – 1.5 Tdicpw3 Tdicpw + 1.5 ns IP29 Read low pulse width Trl Tdicdr – Tdicur – 1.5 Tdicdr4 –Tdicur5 Tdicdr – Tdicur + 1.5 ns IP30 Read high pulse width Trh Tdicpr – Tdicdr + Tdicur – 1.5 Tdicpr – Tdicdr + Tdicur Tdicpr – Tdicdr + Tdicur + 1.5 ns IP31 Write low pulse width Twl Tdicdw – Tdicuw –1.5 Tdicdw6 – Tdicuw7 Tdicdw – Tdicuw + 1.5 ns IP32 Write high pulse width Twh Tdicpw – Tdicdw + Tdicuw – 1.5 Tdicpw – Tdicdw + Tdicuw Tdicpw – Tdicdw + Tdicuw + 1.5 ns IP33 Controls setup time for read Tdcsr Tdicur – 1.5 Tdicur — ns IP34 Controls hold time for read Tdchr Tdicpr – Tdicdr – 1.5 Tdicpr – Tdicdr — ns IP28, IP27 Read Data IP32, IP30 IP37 IP38 DISPB_PAR_RS DISPB_DATA DISPB_DATA DISPB_WR (Input) (Output) IP35,IP33 IP36, IP34 IP31, IP29 IP40 IP39 IP45, IP43 IP42, IP41 DISPB_RD (ENABLE_L) DISPB_D#_CS (READ/WRITE) DISPB_DATA[17] (ENABLE_H) read point IP46,IP44 IP47 |
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