參數資料
型號： MCIMX31
廠商： 飛思卡爾半導體(中國)有限公司
英文描述： Multimedia Applications Processors
中文描述： 多媒體應用處理器
文件頁數： 69/170頁
文件大小： 1562K
代理商： MCIMX31
Electrical Characteristics
i.MX31/i.MX31L Advance Information, Rev. 1.4
Freescale Semiconductor
69
Preliminary
Figure 4. Output Pad Transition Time Waveform
Table 16. AC Electrical Characteristics of Slow
1
General I/O Pads
1
Fast/slow characteristic is selected per GPIO I/O pad (where available) by “slew rate” control. See
Table 6
.
ID
Parameter
Symbol
Test
Condition
Min
Typ
Max
Units
PA1
Output Pad Transition Times (Max Drive)
tpr
25 pF
50 pF
0.92
1.5
1.95
2.98
3.17
4.75
ns
Output Pad Transition Times (High Drive)
tpr
25 pF
50 pF
1.52
2.75
4.81
8.42
ns
Output Pad Transition Times (Std Drive)
tpr
25 pF
50 pF
2.79
5.39
8.56
16.43
ns
Table 17. AC Electrical Characteristics of Fast
1
General I/O Pads
2
1
Fast/slow characteristic is selected per GPIO I/O pad (where available) by “slew rate” control. See
Table 6
.
2
Recommended max operating voltage for GPIO in fast mode with all drive strengths is 1.95 V. Absolute maximum is described
in
Table 9
.
ID
Parameter
Symbol
Test
Condition
Min
Typ
Max
Units
PA1
Output Pad Transition Times (Max Drive)
tpr
25 pF
50 pF
0.68
1.34
1.33
2.6
2.07
4.06
ns
Output Pad Transition Times (High Drive)
tpr
25 pF
50 pF
.91
1.79
1.77
3.47
2.74
5.41
ns
Output Pad 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 Pads
1
1
Absolute max operating voltage for DDR pads with all drive strengths is 1.95 V.
ID
Parameter
Symbol
Test
Condition
Min
Typ
Max
Units
PA1
Output Pad Transition Times (DDR Drive)
tpr
25 pF
50 pF
0.51
0.97
0.82
1.58
1.28
2.46
ns
Output Pad Transition Times (Max Drive)
tpr
25 pF
50 pF
0.67
1.29
1.08
2.1
1.69
3.27
ns
Output Pad Transition Times (High Drive)
tpr
25 pF
35 pF
.99
1.93
1.61
3.13
2.51
4.89
ns
Output Pad Transition Times (Std Drive)
tpr
25 pF
50 pF
1.96
3.82
3.19
6.24
4.99
9.73
ns
0V
OVDD
20%
80%
80%
20%
PA1
PA1
Output (at pad)
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參數描述
MCIMX31_07 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processors
MCIMX31_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processors
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