C515A_9708 Datasheet, PDF (149/182 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Power Saving Modes
C515A
Special Function Register PCON1 (Mapped Address 88H)
Bit No. MSB
7
6
5
4
3
2
88H EWPD –
–
–
–
–
Reset Value : 0XXXXXXXB
LSB
1
0
–
– PCON1
Symbol
–
EWPD
Function
Reserved bits for future use.
External wake-up from power down enable bit
Setting EWPD before entering power down mode, enables the external wake-
up from power down mode capability via the pin P3.2/INT0 (more details see
section 9.2).
Semiconductor Group
9-2
1997-08-01