Motorola MCF5281 用户手册

MOTOROLA

Chapter 33.  Electrical Characteristics  

33-5

Operating Supply Current 

4

Master Mode

•  66 MHz

•  80 MHz

Single Chip Mode
WAIT

 DOZE

STOP

I

DD

—
—
—
—
—
—

200
240
150

15
10

1000

mA
mA
mA
mA

µA

Clock Synthesizer Supply Current

Normal Operation 8.25 MHz crystal, VCO on, Max f

sys

 

 STOP (OSC and PLL enabled)
 STOP (OSC enable, PLL disabled)
 STOP (OSC and PLL disabled)

I

DDPLL

—
—
—
—

4
2
1

10

mA
mA
mA

µA

RAM Memory Standby Supply Current
   Normal Operation: V

DD 

> V

STBY 

- 0.3 V

   Transient Condition: V

STBY 

- 0.3 V > V

DD 

> V

SS 

+ 0.5 V

   Standby Operation: V

DD 

< V

SS 

+ 0.5 V

I

STBY

—
—
—

10

7

20

µA

mA

µA

 Flash Memory Supply Current

 

Read

  

Program or Erase

5

  Idle
  STOP

I

DDF

—
—
—
—

30
64
20
10

mA
mA
mA

µA

Analog Supply Current

Normal Operation
Low-Power Stop

I

DDA

—
—

5.0

10.0

mA

µ

µAµ

1

Refer to Table 33-4 through Table 33-8 for additional PLLQADC, and Flash specifications.

2

This parameter is characterized before qualification rather than 100% tested.

3

Refer to the chip configuration section for more information. Drivers for the SDRAM pins are at 25pF 
drive strength.Drivers for the QADC pins are at 50pF drive strength. 

4

Current measured at maximum system clock frequency, all modules active, and default drive 
strength with matching load.

5

Programming and erasing all 8 blocks of the Flash. 

(V

SS 

= V

SSPLL

= V

SSF 

= V

SSA

= 0 V

DC

)