PIC16LC558-I/PT View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'PIC16LC558-I/PT' PDF : 108 Pages View PDF
PIC16C55X
CLRW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Clear W
[ label ] CLRW
None
00h (W)
1Z
Z
00
0001 0000 0011
W register is cleared. Zero bit (Z) is
set.
1
1
CLRW
Before Instruction
W = 0x5A
After Instruction
W = 0x00
Z =1
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Clear Watchdog Timer
[ label ] CLRWDT
None
00h WDT
0 WDT prescaler,
1 TO
1 PD
TO, PD
00
0000 0110 0100
CLRWDT instruction resets the
Watchdog Timer. It also resets the
prescaler of the WDT. Status bits TO
and PD are set.
1
1
CLRWDT
Before Instruction
WDT counter = ?
After Instruction
WDT counter = 0x00
WDT prescaler = 0
TO
=1
PD
=1
COMF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Complement f
[ label ] COMF f,d
0 f 127
d [0,1]
(f) (dest)
Z
00
1001 dfff ffff
The contents of register 'f' are
complemented. If 'd' is 0 the result is
stored in W. If 'd' is 1 the result is
stored back in register 'f'.
1
1
COMF REG1,0
Before Instruction
REG1 = 0x13
After Instruction
REG1 = 0x13
W
= 0xEC
DECF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Decrement f
[ label ] DECF f,d
0 f 127
d [0,1]
(f) - 1 (dest)
Z
00
0011 dfff ffff
Decrement register 'f'. If 'd' is 0 the
result is stored in the W register. If 'd'
is 1 the result is stored back in register
'f'.
1
1
DECF CNT, 1
Before Instruction
CNT = 0x01
Z
=0
After Instruction
CNT = 0x00
Z
=1
DS40143E-page 58
Preliminary
1996-2013 Microchip Technology Inc.
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