參數(shù)資料
型號(hào)： MC94MX21DVKN3R2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 350 MHz, MICROPROCESSOR, PBGA289
封裝： 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, BGA-289
文件頁(yè)數(shù)： 93/98頁(yè)
文件大?。?/td> 1326K
代理商： MC94MX21DVKN3R2
Specifications
MC94MX21 Technical Data, Rev. 1.
Freescale Semiconductor
93
The limitation on pixel clock rise time/fall time is not specified. It should be calculated from the hold time
and setup time based on the following assumptions:
Rising-edge latch data
max rise time allowed = (positive duty cycle - hold time)
max fall time allowed = (negative duty cycle - setup time)
In most of case, duty cycle is 50 / 50, therefore
max rise time = (period / 2 - hold time)
max fall time = (period / 2 - setup time)
For example: Given pixel clock period = 10ns, duty cycle = 50 / 50, hold time = 1ns, setup time = 1ns.
positive duty cycle = 10 / 2 = 5ns
≥ max rise time allowed = 5 - 1 = 4ns
negative duty cycle = 10 / 2 = 5ns
≥ max fall time allowed = 5 - 1 = 4ns
Falling-edge latch data
max fall time allowed = (negative duty cycle - hold time)
max rise time allowed = (positive duty cycle - setup time)
3.22.2
Non-Gated Clock Mode
Figure 83 shows the timing diagram when the CMOS sensor output data is configured for negative edge
and the CSI is programmed to received data on the positive edge. Figure 84 shows the timing diagram
when the CMOS sensor output data is configured for positive edge and the CSI is programmed to received
data in negative edge. The parameters for the timing diagrams are listed in Table 45. The formula for
calculating the pixel clock rise and fall time is located in Section 3.22.3, “Calculation of Pixel Clock Rise/
Figure 83. Sensor Output Data on Pixel Clock Falling Edge
CSI Latches Data on Pixel Clock Rising Edge
1
VSYNC
PIXCLK
DATA[7:0]
23
6
45
Valid Data
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:
MC94MX21DVKN3
相關(guān)PDF資料
PDF描述
MC9S08FL8CLC 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, QFP32
MC9S08FL8CBM 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP32
MC9S08FL16CBM 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP32
MC9S08GW64CLH MICROCONTROLLER, PQFP64
MC9S08GW64CLK MICROCONTROLLER, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC94MX21DVKN3R2 制造商:Freescale Semiconductor 功能描述:32-bit Embedded Microprocessors
MC950 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS
MC951 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS
MC952 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:INTEGRATED CIRCUITS
MC953 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:INTEGRATED CIRCUITS
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