參數(shù)資料
型號: MCIMX31VMN5CR2
廠商: Freescale Semiconductor
文件頁數(shù): 45/122頁
文件大?。?/td> 0K
描述: IC MPU MAP I.MX31L 473-MAPBGA
標準包裝: 750
系列: i.MX31
核心處理器: ARM11
芯體尺寸: 32-位
速度: 532MHz
連通性: 1 線,ATA,EBI/EMI,F(xiàn)IR,I²C,MMC/SD,PCMCIA,SIM,SPI,SSI,UART/USART,USB,USB OTG
外圍設備: DMA,LCD,POR,PWM,WDT
程序存儲器類型: ROMless
RAM 容量: 16K x 8
電壓 - 電源 (Vcc/Vdd): 1.22 V ~ 3.3 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 473-LFBGA
包裝: 帶卷 (TR)
Electrical Characteristics
MCIMX31/MCIMX31L Technical Data, Rev. 4.1
Freescale Semiconductor
29
4.3.5.2
PIO Mode Timing
Figure 11 shows timing for PIO read, and Table 25 lists the timing parameters for PIO read.
Figure 11. PIO Read Timing Diagram
Figure 12 shows timing for PIO write, and Table 26 lists the timing parameters for PIO write.
Table 25. 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
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MX31
Product
Family
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