MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 75
MCIMX31L
Manufacturer Part Number
MCIMX31L
Description
Multimedia Applications Processors
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MCIMX31L.pdf
(170 pages)
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Figure 11
timing parameters for MDMA read and write.
Freescale Semiconductor
ATA Parameter
Parameter
ATA
–
–
tm, ti
td
tk
shows timing for MDMA read,
from
Parameter
Figure 10
Parameter
Figure
Figure 12
–
–
td, td1
from
tm
tk
11,
Avoid bus contention when switching buffer on by making ton long
enough.
Avoid bus contention when switching buffer off by making toff long
enough.
Table 26. MDMA Read and Write Timing Parameters
Table 25. PIO Write Timing Parameters (continued)
tm (min) = ti (min) = time_m * T - (tskew1 + tskew2 + tskew5)
td1.(min) = td (min) = time_d * T - (tskew1 + tskew2 + tskew6)
tk.(min) = time_k * T - (tskew1 + tskew2 + tskew6)
i.MX31/i.MX31L Advance Information, Rev. 1.4
Figure 11. MDMA Read Timing Diagram
Figure 12. MDMA Write Timing Diagram
Figure 12
Preliminary
shows timing for MDMA write, and
Value
Value
Electrical Characteristics
Table 26
Controlling
Variable
Controlling
–
–
Variable
time_m
time_d
time_k
lists the
75