Motorola ColdFire MCF5281 User Manual
Page 150
Power Management
7-14
Freescale Semiconductor
Table 7-7. CPU and Peripherals in Low-Power Modes
Module
Peripheral Status
1
/ Wakeup Capability
1
“Program” Indicates that the peripheral function during the low-power mode is dependent on programmable bits in the
peripheral register map.
Wait Mode
Doze Mode
Stop Mode
CPU
Stopped
No
Stopped
No
Stopped
No
SRAM
Stopped
No
Stopped
No
Stopped
No
Flash
Stopped
No
Stopped
No
Stopped
No
Flash Control Module
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
System Integration Module
Enabled
Yes
3
Enabled
Yes
3
Stopped
No
SDRAM Controller
Enabled
No
Enabled
No
Stopped
No
Chip Select Module
Enabled
No
Enabled
No
Stopped
No
DMA Controller
Enabled
Yes
Enabled
Yes
Stopped
No
UART0, UART1 and UART2
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
I
2
C Module
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
QSPI
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
DMA Timers
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
Interrupt controller
Enabled
Yes
2
2
These modules can generate a interrupt which will exit a low-power mode. The CPU will begin to service the interrupt
exception after wakeup.
Enabled
Yes
2
Enabled
Yes
Fast Ethernet Controller
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
I/O Ports
Enabled
No
Enabled
No
Enabled
No
Reset Controller
Enabled
Yes
3
3
These modules can generate a reset which will exit any low-power mode.
Enabled
Yes
3
Enabled
Yes
3
Chip Configuration Module
Enabled
No
Enabled
No
Stopped
No
Power Management
Enabled
No
Enabled
No
Stopped
No
Clock Module
Enabled
Yes
2
Enabled
Yes
2
Program
Yes
2
Edge port
Enabled
Yes
2
Enabled
Yes
2
Stopped
Yes
Watchdog timer
Program
Yes
3
Program
Yes
3
Stopped
No
Programmable Interrupt Timers
Enabled
Yes
2
Program
Yes
2
Stopped
No
QADC
Enabled
Yes
2
Program
Yes
2
Stopped
No
General Purpose Timers
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
FlexCAN
Enabled
Yes
2
Enabled
Yes
2
Stopped
No
BDM
Enabled
Yes
4
Enabled
Yes
Enabled
Yes
JTAG
Enabled
No
Enabled
No
Enabled
No
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3