参数资料
型号: MCIMX357DVM5BR2
厂商: Freescale Semiconductor
文件页数: 6/147页
文件大小: 0K
描述: IC MPU I.MX35 400MAPBGA
标准包装: 1,000
系列: i.MX35
核心处理器: ARM11
芯体尺寸: 32-位
速度: 532MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,MMC,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 96
程序存储器类型: ROMless
RAM 容量: 128K x 8
电压 - 电源 (Vcc/Vdd): 1.33 V ~ 1.47 V
振荡器型: 外部
工作温度: -20°C ~ 70°C
封装/外壳: 400-LFBGA
包装: 带卷 (TR)
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
103
Figure 76 shows timing for PIO write, and Table 70 lists the timing parameters for PIO write.
Figure 76. PIO Write Timing Diagram
Table 70. PIO Write Timing Parameters
ATA
Parameter
from
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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