MCIMX31LVKN5C Freescale, MCIMX31LVKN5C Datasheet - Page 30
MCIMX31LVKN5C
Manufacturer Part Number
MCIMX31LVKN5C
Description
Manufacturer
Freescale
Datasheet
1.MCIMX31LVKN5C.pdf
(122 pages)
Specifications of MCIMX31LVKN5C
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Electrical Characteristics
Figure 13
timing parameters for MDMA read and write.
30
Parameter
ATA
—
—
tA
t1
t2
t9
t3
t4
t0
shows timing for MDMA read,
from
Parameter
Figure 12
t2w
—
tA
—
—
—
t1
t9
t4
t1 (min) = time_1 * T – (tskew1 + tskew2 + tskew5)
t2 (min) = time_2w * T – (tskew1 + tskew2 + tskew5)
t9 (min) = time_9 * T – (tskew1 + tskew2 + tskew6)
t3 (min) = (time_2w – time_on)* T – (tskew1 + tskew2 +tskew5)
t4 (min) = time_4 * T – tskew1
tA = (1.5 + time_ax) * T – (tco + tsui + tcable2 + tcable2 + 2*tbuf)
t0(min) = (time_1 + time_2 + time_9) * T
Avoid bus contention when switching buffer on by making ton long enough.
Avoid bus contention when switching buffer off by making toff long enough.
Figure 12. Multiword DMA (MDMA) Timing
MCIMX31/MCIMX31L Technical Data, Rev. 4.1
Table 26. PIO Write Timing Parameters
Figure 14
shows timing for MDMA write, and
Value
Freescale Semiconductor
Table 27
If not met, increase
time_1, time_2r,
Controlling
Variable
time_2w
time_2w
time_ax
time_9
time_4
time_9
time_1
—
—
lists the