Freescale Semiconductor Evaluation Kit (EVK) for the i.MX51 Applications Processor MCIMX51LCD MCIMX51LCD Ficha De Dados

Códigos do produto

MCIMX51LCD

i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 6

120

Freescale Semiconductor

Electrical Characteristics

4.7.11.1

PIO Mode Read Timing

Figure 74

shows timing for PIO read and

Table 92

lists the timing parameters for PIO read.

Figure 74. PIO Read Timing Diagram

Table 92. PIO Read Timing Parameters

ATA

Parameter

from

Figure 74

Value

Controlling

Variable

t1 (min) = time_1

T – (tskew1 + tskew2 + tskew5)

time_1

t2r

t2 min) = time_2r

T – (tskew1 + tskew2 + tskew5)

time_2r

t9 (min) = time_9

T – (tskew1 + tskew2 + tskew6)

time_3

t5 (min) = tco + tsu + tbuf + tbuf + tcable1 + tcable2

If not met, increase

time_2

—

tA (min) = (1.5 + time_ax)

T – (tco + tsui + tcable2 + tcable2 + 2

tbuf)

time_ax

trd

trd1

trd1 (max) = (–trd) + (tskew3 + tskew4)
trd1 (min) = (time_pio_rdx – 0.5)

T – (tsu + thi)

(time_pio_rdx – 0.5)

T > tsu + thi + tskew3 + tskew4

time_pio_rdx

—

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

time_1, time_2r, time_9