91
STP
STP
ST
O
P
CPU
←
Stand-by state (Oscillation stopped)
This instruction resets the oscillation control F/F and the oscil-
lation stops. Reset or interrupt input is needed to wake up from
this mode.
No change
Op e r a t io n :
F u n c t io n :
St a t u s fla g :
Cycle number
2
Byte number
1
Machine codes
42
16
Statement
∆
STP
Addressing mode
Implied
Note: If the STP instruction is disabled the cycle number will be 2 (same in
operation as NOP). However, disabling this instruction is an optional
feature; therefore, consult the specifications for the particular chip in
question.