參數(shù)資料
型號： MCIMX31DVMN5D
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 532 MHz, MICROPROCESSOR, PBGA473
封裝： 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-473
文件頁數(shù)： 35/118頁
文件大?。?/td> 1083K
代理商： MCIMX31DVMN5D
Electrical Characteristics
MCIMX31/MCIMX31L Technical Data, Rev. 4.3
Freescale Semiconductor
23
4.3.3
Clock Amplifier Module (CAMP) Electrical Characteristics
This section outlines the Clock Amplifier Module (CAMP) specific electrical characteristics. Table 19
shows clock amplifier electrical characteristics.
Table 17. AC Electrical Characteristics of Fast1 General I/O 2
1 Fast/slow characteristic is selected per GPIO (where available) by “slew rate” control. See reference manual.
2 Use of GPIO in fast mode with the associated NVCC > 1.95 V can result in excessive overshoot and ringing.
ID
Parameter
Symbol
Test
Condition
Min
Typ
Max
Units
PA1
Output Transition Times (Max Drive)
tpr
25 pF
50 pF
0.68
1.34
1.33
2.6
2.07
4.06
ns
Output Transition Times (High Drive)
tpr
25 pF
50 pF
.91
1.79
1.77
3.47
2.74
5.41
ns
Output Transition Times (Std Drive)
tpr
25 pF
50 pF
1.36
2.68
2.64
5.19
4.12
8.11
ns
Table 18. AC Electrical Characteristics of DDR I/O
ID
Parameter
Symbol
Test
Condition
Min
Typ
Max
Units
PA1
Output Transition Times (DDR Drive)1
1 Use of DDR Drive can result in excessive overshoot and ringing.
tpr
25 pF
50 pF
0.51
0.97
0.82
1.58
1.28
2.46
ns
Output Transition Times (Max Drive)
tpr
25 pF
50 pF
0.67
1.29
1.08
2.1
1.69
3.27
ns
Output Transition Times (High Drive)
tpr
25 pF
50 pF
.99
1.93
1.61
3.13
2.51
4.89
ns
Output Transition Times (Std Drive)
tpr
25 pF
50 pF
1.96
3.82
3.19
6.24
4.99
9.73
ns
Table 19. Clock Amplifier Electrical Characteristics for CKIH Input
Parameter
Min
Typ
Max
Units
Input Frequency
15
—
75
MHz
VIL (for square wave input)
0
—
0.3
V
VIH (for square wave input)
(VDD 1– 0.25)
1 VDD is the supply voltage of CAMP. See reference manual.
—3
V
Sinusoidal Input Amplitude
0.4 2
2 This value of the sinusoidal input will be measured through characterization.
—VDD
Vp-p
Duty Cycle
45
50
55
%
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