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MPC5553 数据表(PDF) 19 Page - Freescale Semiconductor, Inc

部件名 MPC5553
功能描述  Microcontroller Data Sheet
PDF  66 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MPC5553 数据表(HTML) 19 Page - Freescale Semiconductor, Inc

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Electrical Characteristics
MPC5553 Microcontroller Data Sheet, Rev. 2.0
Freescale Semiconductor
19
3.8.2
I/O Pad VDD33 Current Specifications
The power consumption of the VDD33 supply dependents on the usage of the pins on all I/O segments. The
power consumption is the sum of all input and output pin VDD33 currents for all I/O segments. The output
pin VDD33 current can be calculated from Table 11 based on the voltage, frequency, and load on all fast
(pad_fc) pins. The input pin VDD33 current can be calculated from Table 11 based on the voltage,
frequency, and load on all pad_sh and pad_sh pins. Use linear scaling to calculate pin currents for voltage,
frequency, and load parameters that fall outside the values given in Table 11.
Table 11. VDD33 Pad Average DC Current
1
1 These values are estimated from simulation and not tested. Currents apply to output pins for the fast pads only and to input
pins for the slow and medium pads only.
Spec
Pad Type
Symbol
Frequency
(MHz)
Load2
(pF)
2 All loads are lumped.
VDD33
(V)
VDDE
(V)
Drive
Select
Current
(mA)
Inputs
1
Slow
I33_SH
66
0.5
3.6
5.5
NA
0.003
2
Medium
I33_MH
66
0.5
3.6
5.5
NA
0.003
Outputs
3
Fast
I33_FC
66
10
3.6
3.6
00
0.35
466
20
3.6
3.6
01
0.53
566
30
3.6
3.6
10
0.62
666
50
3.6
3.6
11
0.79
7
66
10
3.6
1.98
00
0.35
8
66
20
3.6
1.98
01
0.44
9
66
30
3.6
1.98
10
0.53
10
66
50
3.6
1.98
11
0.7
11
56
10
3.6
3.6
00
0.30
12
56
20
3.6
3.6
01
0.45
13
56
30
3.6
3.6
10
0.52
14
56
50
3.6
3.6
11
0.67
15
56
10
3.6
1.98
00
0.30
16
56
20
3.6
1.98
01
0.37
17
56
30
3.6
1.98
10
0.45
18
56
50
3.6
1.98
11
0.60
19
40
10
3.6
3.6
00
0.21
20
40
20
3.6
3.6
01
0.31
21
40
30
3.6
3.6
10
0.37
22
40
50
3.6
3.6
11
0.48
23
40
10
3.6
1.98
00
0.21
24
40
20
3.6
1.98
01
0.27
25
40
30
3.6
1.98
10
0.32
26
40
50
3.6
1.98
11
0.42



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