SAA-XC866-1FRA INFINEON [Infineon Technologies AG], SAA-XC866-1FRA Datasheet - Page 68
SAA-XC866-1FRA
Manufacturer Part Number
SAA-XC866-1FRA
Description
8-Bit Single-Chip Microcontroller
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.SAA-XC866-1FRA.pdf
(114 pages)
- Current page: 68 of 114
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3.9
The power saving modes of the SAA-XC866 provide flexible power consumption through
a combination of techniques, including:
• 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
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:
• Idle mode
• Slow-down mode
• Power-down mode
Figure 26
Data Sheet
26) and the system runs in the main system clock frequency. From active mode,
any interrupt
any interrupt
IDLE
& SD=0
& SD=1
Power Saving Modes
Transition between Power Saving Modes
set IDLE
set IDLE
bit
bit
set SD
SLOW-DOWN
bit
ACTIVE
65
clear SD
bit
set PD
set PD
bit
bit
Functional Description
EXINT0/RXD pin
EXINT0/RXD pin
& SD=0
POWER-DOWN
& SD=1
SAA-XC866
V1.5, 2010-09
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