PIC16C926-I/CL Microchip Technology, PIC16C926-I/CL Datasheet - Page 122

• Manufacturer Part Number: PIC16C926-I/CL
• Description: 64/68-Pin CMOS Microcontrollers with LCD Driver
• Manufacturer: Microchip Technology

PIC16C925/926
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example
DS39544A-page 120
Before Instruction:
After Instruction:
WDT counter
WDT counter
WDT prescaler
TO
PD
Clear Watchdog Timer
[ label ] CLRWDT
None
00h
0
1
1
TO, PD
CLRWDT instruction resets the
Watchdog Timer. It also resets the
prescaler of the WDT. Status bits TO
and PD are set.
1
1
CLRWDT
Decode
Q1
00
WDT prescaler,
TO
PD
WDT
=
=
=
=
=
Operation
0000
?
0x00
0
1
1
Q2
No
Process
0110
data
Q3
Counter
0100
Clear
WDT
Q4
Preliminary
COMF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example
Before Instruction:
After Instruction:
REG1
REG1
W
=
=
=
Complement f
[ label ] COMF
0
d
(f)
Z
The contents of register ’f’ are com-
plemented. 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
Decode
Q1
0x13
0x13
0xEC
00
f
[0,1]
(destination)
2001 Microchip Technology Inc.
127
register ’f’
1001
Read
Q2
REG1,0
Process
f [,d]
dfff
data
Q3
destination
Write to
ffff
Q4