User's Manual

MSM80C154S/83C154S/85C154HVS
274
25. CLR bit address (Clear bit)
11000010
70
Instruction code
Bit address
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example CLR P1.5
Instruction code
: Byte 1
b7 b6 b5 b4 b3 b2 b1 b0
70
Byte 2
(bit address)←0:
C AC F0 RS1 RS0 OV F1 P
:
:
:
The specified bit address content is cleared to 0.
:
10000010
70
Byte 1
Port 1
11
111111
70
2
1
11100101
70
Byte 2
Before execution
Port 1
11
011111
70
After execution
:
55