C868_02 Datasheet, PDF (225/244 Pages) Infineon Technologies AG – 8 - Bit CMOS Microcontroller

C868
Power Saving Modes
PMCON0
Wake-up Control Register
7
6
5
-
-
-
r
r
r
4
EBO
rw
[Reset value: XXX000000_B]
3
2
1
0
BO
SDSTAT
WS
rw
rh
rw
EWPD
rw
The functions of the shaded bits are not described here
Field
EWPD
WS
SDSTAT
-
Bits
0
1
2
[7:5]
Typ Description
rw Enable Wake Up from Power Down Mode.
When this bit is set, power down mode can be terminated
either by an external active INT0 signal or by an external
signal from a second source, RXD.
rw Wake Up Source Select.
This is applicable only if EWPD is set.
0 : INT0 will terminate power down mode. (default)
1 : RXD will terminate power down mode.
rh Slow Down Status Bit.
0 : Slow Down Mode is not active, ie system clock is not
slow down clock.
1 : Slow Down Mode is active, ie system clock is the slow
down clock.
This bit is set or cleared by hardware only.
r reserved;
returns ’0’ if read; should be written with ’0’;
User’s Manual
8-3
V 0.4, 2002-01