參數(shù)資料
型號(hào): DSP56F805E
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號(hào)控制器
文件頁(yè)數(shù): 24/56頁(yè)
文件大?。?/td> 415K
代理商: DSP56F805E
56F805
Technical Data, Rev. 15
24
Freescale Semiconductor
Figure 3-1 Maximum Run IDD vs. Frequency (see Note 6. in
Figure 3-14
)
3.3 AC Electrical Characteristics
Timing waveforms in
Section 3.3
are tested using the V
IL
and V
IH
levels specified in the DC Characteristics
table.
In
Figure 3-2
the levels of V
IH
and V
IL
for an input signal are shown.
Figure 3-2 Input Signal Measurement References
Figure 3-3
shows the definitions of the following signal states:
Active state, when a bus or signal is driven, and enters a low impedance state
Tri-stated, when a bus or signal is placed in a high impedance state
Data Valid state, when a signal level has reached V
OL
or V
OH
Data Invalid state, when a signal level is in transition between V
OL
and V
OH
0
30
90
120
180
60
20
40
60
80
Freq. (MHz)
I
150
IDD Digital
IDD Analog
IDD Total
V
IH
V
IL
Fall Time
Input Signal
Note: The midpoint is V
IL
+ (V
IH
– V
IL
)/2.
Midpoint1
Low
High
90%
50%
10%
Rise Time
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參數(shù)描述
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DSP56F805FV80E 制造商:Freescale Semiconductor 功能描述:Digital Signal Processor IC DSP Type:Cor