IMX28AEC datasheet(23/72 Pages) FREESCALE

Part #	IMX28AEC

Description	Processors Data Sheet for Automotive Products High assurance boot

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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23 / 72 page

i.MX28 Applications Processors Data Sheet for Automotive Products, Rev. 1

Freescale Semiconductor

3.4

I/O AC Timing and Parameters

Figure 3 and Figure 4 show the Driver Used for AC Simulation Testpoint and the Output Pad Transition

Waveform.

Figure 3. Driver Used for AC Simulation Testpoint

Figure 4. Output Pad Transition Waveform

Table 28 shows the base GPIO AC timing and parameters.

Table 28. Base GPIO

Parameters

Symbol

Test Voltage

Test Capacitance

Min

Rise/Fall

MaxRise/Fall

Units

Notes

Duty cycle

Fduty

—

Output pad transition

times (maximum drive)

tpr

1.7~1.9V

10pF

0.82

0.91

1.93

1.97

—

1.7~1.9V

20pF

1.18

1.22

2.69

2.71

—

1.7~1.9V

50pF

2.11

2.03

4.62

4.44

—

3.0~3.6V

10pF

1.04

1.08

2.46

2.18

—

3.0~3.6V

20pF

1.42

1.5

3.29

—

3.0~3.6V

50pF

2.46

2.61

5.34

5.12

—

Driver Used for AC simulation

Testpoint

Driver Used for AC simulation

Testpoint

Output Pad Transition Waveform

VDDIO

20%

80%

Output Pad Transition Waveform

VDDIO

20%

80%

IMX28AEC Datasheet(PDF) 23 Page - Freescale Semiconductor, Inc

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