MCIMX31LCVMN4D Freescale, MCIMX31LCVMN4D Datasheet - Page 23

• Manufacturer Part Number: MCIMX31LCVMN4D
• Manufacturer: Freescale

Specifications of MCIMX31LCVMN4D

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

1
4.3.5.2
Figure 10
Parameter
Figure 11
Freescale Semiconductor
Values provided where applicable.
tskew5
tskew6
Name
ATA
trd
tA
t1
t2
t9
t5
t6
t0
shows timing for PIO read, and
shows timing for PIO write, and
from
Max difference in cable propagation delay between (ata_dior, ata_diow, ata_dmack) and
ata_cs0, ata_cs1, ata_da2, ata_da1, ata_da0, ata_data(write)
Max difference in cable propagation delay without accounting for ground bounce
PIO Mode Timing
Parameter
Figure 10
trd1
t2r
—
tA
t1
t9
t5
t6
t1 (min) = time_1 * T – (tskew1 + tskew2 + tskew5)
t2 min) = time_2r * T – (tskew1 + tskew2 + tskew5)
t9 (min) = time_9 * T – (tskew1 + tskew2 + tskew6)
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
Table 21. ATA Timing Parameters (continued)
MCIMX31C/MCIMX31LC Technical Data, Rev. 4.3
Table 22. PIO Read Timing Parameters
Figure 10. PIO Read Timing Diagram
Table 22
Description
Table 23
Value
lists the timing parameters for PIO read.
lists the timing parameters for PIO write.
Electrical Characteristics
time_1, time_2r, time_9
Contributing Factor
If not met, increase
time_pio_rdx
Controlling
Variable
time_ax
time_2r
time_3
time_2
time_1
Value/
cable
cable
—
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