Infineon Technologies C166S V2 User Manual page 290

PWRDN
Group
Syntax
Source Operand(s)
Destination Operand(s)
Operation
Enter Power Down Mode
Description
This instruction causes the device to enter the power down mode. In this mode, all
peripherals and the CPU are powered down until the device is externally reset. To
ensure that this instruction is not accidentally executed, it is implemented as a
protected instruction. To further control the action of this instruction, the PWRDN
instruction is only enabled when the non-maskable interrupt pin (NMI) is in the low
state. Otherwise, this instruction has no effect.
CPU Flags
E Not affected.
Z Not affected.
V Not affected.
C Not affected.
N Not affected.
Encoding
Mnemonic
PWRDN
User Manual
Enter Power Down Mode
System Control Instructions
PWRDN
none
none
E Z
- -
Detailed Instruction Description
V C
- -
Format
97 68 97 97
8-290
User Manual
C166S V2
PWRDN
N
-
Bytes
4
V 1.7, 2001-01