参数资料
型号: MCIMX31LDVMN5D
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 532 MHz, MICROPROCESSOR, PBGA473
封装: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-473
文件页数: 39/118页
文件大小: 1083K
代理商: MCIMX31LDVMN5D
Electrical Characteristics
MCIMX31/MCIMX31L Technical Data, Rev. 4.3
Freescale Semiconductor
27
4.3.5.2
PIO Mode Timing
Figure 10 shows timing for PIO read, and Table 24 lists the timing parameters for PIO read.
Figure 10. PIO Read Timing Diagram
Figure 11 shows timing for PIO write, and Table 25 lists the timing parameters for PIO write.
Table 24. PIO Read Timing Parameters
ATA
Parameter
Value
Controlling
Variable
t1
t1 (min) = time_1 * T – (tskew1 + tskew2 + tskew5)
time_1
t2
t2r
t2 min) = time_2r * T – (tskew1 + tskew2 + tskew5)
time_2r
t9
t9 (min) = time_9 * T – (tskew1 + tskew2 + tskew6)
time_3
t5
t5 (min) = tco + tsu + tbuf + tbuf + tcable1 + tcable2
If not met, increase
time_2
t6
0
tA
tA (min) = (1.5 + time_ax) * T – (tco + tsui + tcable2 + tcable2 + 2*tbuf)
time_ax
trd
trd1
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
time_pio_rdx
t0
t0 (min) = (time_1 + time_2 + time_9) * T
time_1, time_2r, time_9
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