SAK-C505L Infineon Technologies AG, SAK-C505L Datasheet - Page 53

• Manufacturer Part Number: SAK-C505L
• Description: 8-bit CMOS Microcontroller
• Manufacturer: Infineon Technologies AG

Table 10
Power Saving Modes Overview
Mode
Idle mode
Slow Down Mode
Software
Power Down Mode1
Software
Power Down Mode 2
Software
Power Down Mode 3
Data Sheet
Entering
Sequence
Example
ORL PCON, #01H
ORL PCON, #20H
In normal mode:
ORL PCON, #10H
With idle mode:
ORL PCON, #01H
ORL PCON, #30H
...
bit LCEN (LCON
register) is cleared;
bit RTPD (RTCON
register) is set;
ORL PCON, #02H
ORL PCON, #40H
...
bits LCEN and
CSEL (LCON
register) are set,
bit RTPD (RTCON
register) is cleared;
...
ORL PCON, #02H
ORL PCON, #40H
...
bit LCEN (LCON
register) is cleared;
bit RTPD (RTCON
register) is cleared;
...
ORL PCON, #02H
ORL PCON, #40H
Leaving by
Occurrence of an
interrupt from a
peripheral unit
Hardware Reset
ANL PCON,#0EFH
Hardware Reset
Occurrence of an
interrupt from a
peripheral unit
Hardware reset
Short low pulse at
pin P3.2/INT0
Hardware Reset
Short low pulse at
pin P3.2/INT0 or
real-time clock
wake-up interrupt
Hardware Reset
Short low pulse at
pin P3.2/INT0 or
real-time clock
wake-up interrupt
Hardware Reset
51
Remarks
CPU clock is stopped;
CPU maintains their data;
peripheral units are active
(if enabled) and provided
with clock
Internal clock rate is reduced
to 1/32 of its nominal
frequency
CPU clock is stopped;
CPU maintains their data;
peripheral units are active
(if enabled) and provided with
1/32 of its nominal frequency
Oscillator is stopped;
contents of on-chip RAM,
XRAM and SFR’s are
maintained;
Oscillator is stopped;
contents of on-chip RAM,
XRAM and SFR’s are
maintained; LCD Controller
and real-time clock are
functioning
Oscillator is stopped;
contents of on-chip RAM,
XRAM and SFR’s are
maintained;
real-time clock is functioning
C505L
06.99