IMX35 datasheet(103/148 Pages) FREESCALE

부품명	IMX35

상세설명	i.MX35 Applications Processors for Industrial and Consumer Products

PDF	148 Pages

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제조업체	FREESCALE [Freescale Semiconductor, Inc]

홈페이지	http://www.freescale.com

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103 / 148 page

i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 6

Freescale Semiconductor

103

Figure 77 shows timing for PIO write, and Table 66 lists the timing parameters for PIO write.

Figure 77. PIO Write Timing Diagram

Table 66. PIO Write Timing Parameters

ATA

Parameter

from

Figure 77

Value

Controlling

Variable

t1 (min.) = time_1

× T – (tskew1 + tskew2 + tskew5)

time_1

t2w

t2 (min.) = time_2w

× T – (tskew1 + tskew2 + tskew5)

time_2w

t9 (min.) = time_9

× T – (tskew1 + tskew2 + tskew6)

time_9

—

t3 (min.) = (time_2w – time_on)

× T – (tskew1 + tskew2 +tskew5)

If not met, increase

time_2w

t4 (min.) = time_4

× T – tskew1

time_4

tA = (1.5 + time_ax)

× T – (tco + tsui + tcable2 + tcable2 + 2*tbuf)

time_ax

—

t0(min.) = (time_1 + time_2 + time_9)

× T

time_1, time_2r,

time_9

—

Avoid bus contention when switching buffer on by making ton long enough.

—

Avoid bus contention when switching buffer off by making toff long enough.

—

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