saf-xc878m-16ffi5v Infineon Technologies Corporation, saf-xc878m-16ffi5v Datasheet - Page 89

• Manufacturer Part Number: saf-xc878m-16ffi5v
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Infineon Technologies Corporation

3.9
The power saving modes of the XC87x provide flexible power consumption through a
combination of techniques, including:
•
•
•
•
After a reset, the active mode (normal operating mode) is selected by default (see
Figure
different power saving modes can be selected by software. They are:
•
•
•
Figure 23
Note:
Data Sheet
Stopping the CPU clock
Stopping the clocks of individual system components
Reducing clock speed of some peripheral components
Power-down of the entire system with fast restart capability
Idle mode
Slow-down mode
Power-down mode
SAK product variant does not support power-down mode.
23) and the system runs in the main system clock frequency. From active mode,
any interrupt
any interrupt
IDLE
Power Saving Modes
& SD=0
& SD=1
Transition between Power Saving Modes
set IDLE
set IDLE
bit
bit
set SD
SLOW-DOWN
bit
ACTIVE
82
clear SD
bit
set PD
set PD
bit
bit
Functional Description
EXINT0/RXD pin
EXINT0/RXD pin
& SD=0
POWER-DOWN
& SD=1
XC87xCLM
V1.5, 2011-03