參數(shù)資料
型號: MCIMX514AJM6C
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA529
封裝: 19 X 19 MM, 0.8 MM PITCH, ROHS COMPLIANT, BGA-529
文件頁數(shù): 20/172頁
文件大?。?/td> 2218K
代理商: MCIMX514AJM6C
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
116
Freescale Semiconductor
Electrical Characteristics
Figure 74 shows timing for PIO write and Table 93 lists the timing parameters for PIO write.
Figure 74. Multi-word DMA (MDMA) Timing
Table 93. PIO Write Timing Parameters
ATA
Parameter
Value
Controlling
Variable
t1
t1 (min) = time_1
× T – (tskew1 + tskew2 + tskew5)
time_1
t2
t2w
t2 (min) = time_2w
× T – (tskew1 + tskew2 + tskew5)
time_2w
t9
t9 (min) = time_9
× T – (tskew1 + tskew2 + tskew6)
time_9
t3
t3 (min) = (time_2w – time_on)
× T – (tskew1 + tskew2 +tskew5)
If not met, increase
time_2w
t4
t4 (min) = time_4
× T – tskew1
time_4
tA
tA = (1.5 + time_ax)
× T – (tco + tsui + tcable2 + tcable2 + 2×tbuf)
time_ax
t0
t0(min) = (time_1 + time_2 + time_9)
× T
time_1, time_2r,
time_9
Avoid bus contention when switching buffer on by making ton long enough
Avoid bus contention when switching buffer off by making toff long enough
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