MPC5553 datasheet(17/60 Pages) FREESCALE

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Electrical Characteristics

MPC5553 Microcontroller Data Sheet, Rev. 0

Preliminary—Subject to Change Without Notice

Freescale Semiconductor

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,

Table 10. I/O Pad Average DC Current1

1 These values are estimated from simulation and are not tested. Currents apply to output pins only.

Num

Pad Type

Symbol

Frequency

(MHz)

Load2

(pF)

2 All loads are lumped.

Voltage (V)

Drive Select /

Slew Rate

Control

Current (mA)

1Slow

IDRV_SH

5.25

8.0

210

5.25

3.2

5.25

0.7

200

5.25

2.4

5Medium

IDRV_MH

5.25

17.3

620

5.25

6.5

3.33

5.25

1.1

3.33

200

5.25

3.9

9Fast

IDRV_FC

3.6

2.8

3.6

5.2

3.6

8.5

3.6

11.0

1.98

1.6

1.98

2.9

1.98

4.2

1.98

6.7

3.6

2.4

3.6

4.4

3.6

7.2

3.6

9.3

1.98

1.3

1.98

2.5

1.98

3.5

1.98

5.7

3.6

1.7

3.6

3.1

3.6

5.1

3.6

6.6

1.98

1.0

1.98

1.8

1.98

2.5

1.98

4.0

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