参数资料
型号: MCIMX357DVM5BR2
厂商: Freescale Semiconductor
文件页数: 5/147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
102
4.9.17.4
PIO Mode Timing
Figure 75 shows timing for PIO read, and Table 69 lists the timing parameters for PIO read.
Figure 75. PIO Read Timing Diagram
Table 69. PIO Read Timing Parameters
ATA
Parameter
Parameter from
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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