PCIMX515CJM6C datasheet(108/184 Pages) FREESCALE

Part #	PCIMX515CJM6C

Description	i.MX51 Applications Processors for Consumer and Industrial Products

PDF	184 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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108 / 184 page

i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 1

108

Freescale Semiconductor

Preliminary—Subject to Change Without Notice

Electrical Characteristics

Figure 72 shows timing for PIO write, and Table 80 lists the timing parameters for PIO write.

Figure 72. Multi-word DMA (MDMA) Timing

Table 80. PIO Write Timing Parameters

ATA

Parameter

from Figure 72

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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