MPC5554MZP80 datasheet(18/58 Pages) FREESCALE

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MPC5554 Microcontroller Data Sheet, Rev. 4

Electrical Characteristics

Freescale Semiconductor

3.8.1

I/O Pad Current Specifications

The power consumption of an I/O segment depends on the usage of the pins on a particular segment. The

power consumption is the sum of all output pin currents for a segment. The output pin current can be

calculated from Table 10 based on the voltage, frequency, and load on the pin. Use linear scaling to

calculate pin currents for voltage, frequency, and load parameters that fall outside the values given in

Table 10.

Table 10. I/O Pad Average DC Current (TA = TL to TH)

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

Spec

Pad Type

Symbol

Frequency

(MHz)

Load2 (pF)

2 All loads are lumped.

Voltage (V)

Drive Select /

Slew Rate

Control Setting

Current (mA)

Slow

IDRV_SH

5.25

8.0

210

5.25

3.2

5.25

0.7

200

5.25

2.4

Medium

IDRV_MH

5.25

17.3

620

5.25

6.5

3.33

5.25

1.1

3.33

200

5.25

3.9

Fast

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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