User’s Manual
C166S V1 SubSystem
Detailed Instruction Set
User’s Manual
6-76
V 1.6, 2001-08
PWRDN
Enter Power Down Mode
PWRDN
Group
System Control Instructions
Syntax
PWRDN
Source Operand(s)
none
Destination Operand(s)
none
Operation
Enter Power Down Mode
Description
This instruction causes the part to enter the power down mode. In this mode, all
peripherals and the CPU are powered down until the part is externally reset. To insure
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
E
Z
V
C
N
-
-
-
-
-
Mnemonic
Format
Bytes
PWRDN
97 68 97 97
4
Содержание C166S V1 SubSystem
Страница 10: ...User s Manual C166S V1 SubSystem User s Manual I 6 V 1 6 2001 08...
Страница 16: ...User s Manual C166S V1 SubSystem Introduction User s Manual 1 6 V 1 6 2001 08...
Страница 126: ...User s Manual C166S V1 SubSystem Central Processing Unit User s Manual 3 96 V 1 6 2001 08...
Страница 178: ...User s Manual C166S V1 SubSystem Memory Organization User s Manual 4 52 V 1 6 2001 08...
Страница 206: ...User s Manual C166S V1 SubSystem Instruction Set User s Manual 5 28 V 1 6 2001 08...
Страница 306: ...User s Manual C166S V1 SubSystem Detailed Instruction Set User s Manual 6 100 V 1 6 2001 08...
Страница 362: ...User s Manual C166S V1 SubSystem The External Bus Interface User s Manual 8 40 V 1 6 2001 08...
Страница 452: ...User s Manual C166S V1 SubSystem General Purpose Timer Unit User s Manual 12 44 V 1 6 2001 08...
Страница 454: ...User s Manual C166S V1 SubSystem Instruction Index User s Manual 13 2 V 1 6 2001 08...
Страница 459: ......