IMX28CEC datasheet(13/70 Pages) FREESCALE

13 / 70 page

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

Freescale Semiconductor

3.1.2

DC Operating Conditions

Table 8 provides the DC recommended operating conditions.

Table 9 provides the DC operating temperature conditions.

Table 8. Recommended Power Supply Operating Conditions

Parameter

Symbol

Min

Typ

Max

Units

Analog Core Supply Voltage

VDDA

1.62

—

2.10

Digital Core Supply Voltage

Specification dependent on frequency.1, 2

1 For optimum USB jitter performance, V

DDD = 1.35 V or greater.

2 V

DDD supply minimum voltage includes 75 mV guardband.

VDDD

1.35

—

1.55

Digital Supply Voltages:

• VDDIO33/VDDIO33_EMI

• VDDIO18

VDDIO33/VDDIO33_EMI/VDDI

O18

3.0

1.7

—

3.6

1.9

EMI Digital I/O Supply Voltage:

• DDR2/mDDR

• LVDDR2

VDDIO.EMI/VDDIO_EMIQ

1.7

1.425

1.8

1.5

1.9

1.625

Battery / DCDC Input Voltage - BATT, DCDC_BATT

BATT

DCDC_BATT

3.103

3 Tested with only the i.MX28 processor loading the MX28 PMU output rails during start up.

—4.242

VDD5V Supply Voltage (5 V current < 100 mA)

—

TBD

5.00

5.25

VDD5V Supply Voltage (5V current

≥ 100 mA)

—

4.75

5.00

5.25

Offstate Current:4

4 When the real-time clock is enabled, the chip consumes additional current in the OFF state to keep the crystal oscillator and

the real-time clock running.

• 32-kHz RTC off, BATT = 4.2 V

—

µA

• 32-kHz RTC on, BATT = 4.2 V

—

13.5

µA

Table 9. Operating Temperature Conditions

Parameter

Symbol

Min

Typ

Max

Units

Commercial Ambient Operating Temperature Range1, 2

1 In most portable systems designs, battery and display specifications limits the operating range to well within these

specifications. Most battery manufacturers recommend enabling battery charge only when the ambient temperature is

between 0°C and 40°C. To ensure that battery charging does not occur outside the recommended temperature range, the

system ambient temperature may be monitored by connecting a thermistor to the LRADC0 or LRADC6 pin on the i.MX28.

–20

—

°C

Commercial Junction Temperature Range1, 2

–20

—

°C

Industrial Ambient Operating Temperature Range1, 2

–40

—

°C

Industrial Junction Temperature Range1, 2

–40

—

105

°C

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