MC68340 datasheet(400/441 Pages) FREESCALE

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MOTOROLA

MC68340 USER’S MANUAL

10-13

10.3.2 MC68340V (3.3 V)

The MC68340V can operate with a 3.3-V power supply for significant power savings. The

formula for power dissipation is

Pd ≈ V2 × f + dc

Table 10-2 shows typical electrical characteristics for both the MC68340 and MC68340V.

Table 10-2. Typical Electrical Characteristics

Parameter

MC68340 (5.0 V)

MC68340V (3.3 V)

Clock Frequency

0–16.78 MHz

0–25 MHz

0–8.39 MHz

0–16.78 MHz

Typical Current (16 MHz)

95 mA

TBD

Typical Current (8 MHz)

55 mA

30 mA

Standby Current

µA

Running at 3.3 V saves 66% of the power consumption.

The 3.3 V operation provides the following user advantages:

Advantage

Benefit

Lower Supply Voltage

Fewer Batteries

Less Weight

Smaller Size

Lower Current Drain

Extended Battery Life

Less Heat Generated

No Fan

No Fan Noise

Less EMF Radiation

Easier FCC Certification

Less Crosstalk

Closer PCB Traces

High Functional Integration

All-In-One 3.3 V Part:

Processor

Peripherals

Glue Logic

These advantages result in a much more portable system.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

MC68340 Datasheet(PDF) 400 Page - Freescale Semiconductor, Inc

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