MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 74

• Manufacturer Part Number: MCIMX31L
• Description: Multimedia Applications Processors
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Characteristics
Figure 10
74
Parameter
Parameter
ATA
ATA
trd
tA
tA
t1
t2
t9
t3
t4
t0
t5
t6
t0
shows timing for PIO write, and
from
from
Parameter
Parameter
trd1
Figure 10
Figure 9
t2w
t5
t6
tA
–
tA
t1
t9
t4
–
–
t5 (min) = tco + tsu + tbuf + tbuf + tcable1 + tcable2
0
tA (min) = (1.5 + time_ax) * T - (tco + tsui + tcable2 + tcable2 + 2*tbuf)
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
t0 (min) = (time_1 + time_2 + time_9) * T
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
Table 24. PIO Read Timing Parameters (continued)
Figure 10. Multiword DMA (MDMA) Timing
i.MX31/i.MX31L Advance Information, Rev. 1.4
Table 25. PIO Write Timing Parameters
Table 25
Preliminary
Value
lists the timing parameters for PIO write.
Value
Freescale Semiconductor
time_1, time_2r, time_9
If not met, increase
If not met, increase
time_pio_rdx
time_1, time_2r,
Controlling
Variable
Controlling
time_ax
time_2.
time_2w.
Variable
time_2w
time_ax
time_9
time_4
time_9
time_1
–