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

122

Freescale Semiconductor

Electrical Characteristics

Figure 76

shows timing for MDMA read,

Figure 77

shows timing for MDMA write, and

Table 94

lists

the timing parameters for MDMA read and write.

Figure 76. MDMA Read Timing Diagram

Figure 77. MDMA Write Timing Diagram

Table 94. MDMA Read and Write Timing Parameters

ATA

Parameter

from

Figure 76

Figure 77

Value

Controlling

Variable

tm, ti

tm (min) = ti (min) = time_m

T – (tskew1 + tskew2 + tskew5)

time_m

td, td1

td1.(min) = td (min) = time_d

T – (tskew1 + tskew2 + tskew6)

time_d

tk.(min) = time_k

T – (tskew1 + tskew2 + tskew6)

time_k

—

t0 (min) = (time_d + time_k)

time_d, time_k

tg(read)

tgr

tgr (min-read) = tco + tsu + tbuf + tbuf + tcable1 + tcable2
tgr.(min-drive) = td – te(drive)

time_d

tf(read)

tfr

tfr (min-drive) = 0

—

tg(write)

—

tg (min-write) = time_d

T – (tskew1 + tskew2 + tskew5)

time_d

tf(write)

—

tf (min-write) = time_k

T – (tskew1 + tskew2 + tskew6)

time_k

—

tL (max) = (time_d + time_k–2)

T – (tsu + tco + 2

tbuf + 2

tcable2)

time_d, time_k