IMX28AEC datasheet(17/72 Pages) FREESCALE

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

Freescale Semiconductor

3.1.3

Fusebox Supply Current Parameters

Table 19 lists the fusebox supply current parameters.

3.1.4

Interface Frequency Limits

Table 20 provides information for interface frequency limits.

3.1.5

Power Modes

Table 21 describes the core, clock, and module settings for the different power modes of the processor.

Table 18. Frequency vs. Voltage for EMICLK—289-Pin BGA Package

Minimum

VDDD (V)

Minimum

VDDDBrownout (V)

EMICLK Fmax (MHz)

DDR2

mDDR

1.550

1.450

205.71

1.450

1.350

196.36

1.350

1.250

196.36

Table 19. Fusebox Supply Current Parameters

Parameter

Symbol

Min

Typ

Max

Units

eFuse Program Current1

Current to program one eFuse bit

efuse_vddq=2.5V

1 The current I

program is during program time.

Iprogram

21.39

25.05

33.54

eFuse Read Current2

Current to read an 8-bit eFuse word

vdd_fusebox = 3.3 V

2 The current I

read is present for approximately 10 ns of the read access to the 8-bit word.

Iread

—

4.07

Table 20. Interface Frequency Limits

Parameter

Min.

Typ.

Max.

Units

JTAG: TCK Frequency of Operation

—

MHz

OSC24M_XTAL Oscillator

—

24.000

—

MHz

OSC32K_XTAL Oscillator

—

32.768/32.0

—

KHz

Table 21. Power Mode Settings

Core/Clock/Module

Deep-Sleep

Standby

Run

ARM Core

Off

USB0 PLL (System PLL)

Off

OSC24M

Off

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