Datasheet

MCF5227x ColdFire
®
Microprocessor Data Sheet, Rev. 8
Hardware Design Considerations
Freescale Semiconductor8
Figure 6. IV
DD
Power Consumption in Low-Power Modes
DOZE
IV
DD
(mA) 57.0 48.8 38.9 29.7 2.7
Power (mW) 85.50 73.20 58.35 44.55 4.05
STOP 0
IV
DD
(mA) 16.1 15.1 13.4 12.5 1.3
Power (mW) 24.15 22.65 20.10 18.75 1.95
STOP 1
IV
DD
(mA) 15.9 14.9 13.2 12.4 1.3
Power (mW) 23.85 22.35 19.80 18.60 1.95
STOP 2
IV
DD
(mA)1.81.81.81.81.3
Power (mW) 2.70 2.70 2.70 2.70 1.95
STOP 3
IV
DD
(mA)0.50.50.50.50.5
Power (mW) 0.75 0.75 0.75 0.75 0.75
1
All values are measured on an M52277EVB with nominal core voltage(IV
DD
= 1.5 V). Tests
performed at room temperature. All peripheral clocks on prior to entering low-power mode
2
Refer to the Power Management chapter in the MCF52277 Reference Manual for more information
on low-power modes.
Table 4. Current Consumption in Low-Power Modes
1,2
(continued)
Mode Voltage Supply
System Frequency
80MHz 64MHz 48MHz 32MHz
4MHz
(LIMP
mode)
0
20
40
60
80
100
120
80 64 48 32 4 (LIMP)
System Frequency (MHz)
IV
DD
Power Consumption (mW)
RUN
WAIT
DOZE
STOP 0
STOP 1
STOP 2
STOP 3