IMX53IEC datasheet(109/173 Pages) FREESCALE

Part #	IMX53IEC

Description	i.MX53 Applications Processors for Industrial Products

PDF	173 Pages

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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109 / 173 page

Electrical Characteristics

i.MX53 Applications Processors for Industrial Products, Rev. 6

Freescale Semiconductor

109

Figure 65 shows timing for PIO write. Table 72 lists the timing parameters for PIO write.

Figure 65. Multi-word DMA (MDMA) Timing

Table 72. PIO Write Timing Parameters

ATA

Paramete

Parameter

from Figure 65

Value

Controlling

Variable

t1(min) = time_1 x T - (tskew1 + tskew2 + tskew5)

time_1

t2 (write)

t2w

t2(min) = time_2w x T - (tskew1 + tskew2 + tskew5)

time_2w

t9(min) = time_9 x T - (tskew1 + tskew2 + tskew6)

time_9

—

t3(min) = (time_2w - time_on) x T - (tskew1 + tskew2 +tskew5)

If not met, increase

time_2w

t4(min) = time_4 x T - tskew1

time_4

tA = (1.5 + time_ax) x T - (tco + tsui + tcable2 + tcable2 + 2 x tbuf)

time_ax

—

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

—

IMX53IEC Datasheet(PDF) 109 Page - Freescale Semiconductor, Inc