MPC5634M datasheet(85/106 Pages) FREESCALE

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MPC5634M Microcontroller Data Sheet, Rev. 8

Freescale Semiconductor

4.9

I/O Pad current specifications

NOTE

MPC5634M devices use two sets of I/O pads (5 V and 3.3 V). See Table 3 and Table 4 in

Section 3.6, “Signal summary, for the pad type associated with each signal.

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 particular segment. The output pin current can be calculated from Table 20 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 20.

Table 20. I/O pad average IDDE specifications

1 Numbers from simulations at best case process, 150 °C.

Pad Type

Symbol

Period

(ns)

Load2

(pF)

2 All loads are lumped.

VDDE

(V)

Drive/Slew

Rate Select

IDDE Avg

(mA)3

3 Average current is for pad configured as output only.

IDDE RMS

(mA)

Slow

IDRV_SSR_HV

5.25

—

130

5.25

2.5

—

650

5.25

0.5

—

840

200

5.25

1.5

—

Medium

IDRV_MSR_HV

5.25

—

5.25

5.3

—

317

5.25

1.1

—

425

200

5.25

—

Fast

IDRV_FC

3.6

22.7

68.3

3.6

12.1

41.1

3.6

8.3

27.7

3.6

4.44

14.3

1.98

12.5

1.98

7.3

18.6

1.98

5.42

12.6

1.98

2.84

6.4

MultiV

(High

Swing

Mode)

IDRV_MULTV_HV

5.25

21.24

—

5.25

—5

—

5.25

6.24

—

300

5.25

1.14

—

300

200

5.25

4.04

—

MultiV

(Low

Swing

Mode)

IDRV_MULTV_HV

5.25

20.26

—

5.25

—

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