PIC18F242 MICROCHIP [Microchip Technology], PIC18F242 Datasheet - Page 247
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PIC18F242
Manufacturer Part Number
PIC18F242
Description
28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F242.pdf
(332 pages)
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RRNCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
© 2006 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Before Instruction
After Instruction
Decode
REG
REG
W
REG
W
REG
Q1
=
=
=
=
=
=
register 'f'
Rotate Right f (no carry)
[ label ]
0
d
a
(f<n>)
(f<0>)
N, Z
The contents of register 'f' are
rotated one bit to the right. If 'd' is 0,
the result is placed in W. If 'd' is 1,
the result is placed back in register
'f' (default). If ’a’ is 0, the Access
Bank will be selected, overriding
the BSR value. If ’a’ is 1, then the
bank will be selected as per the
BSR value (default).
1
1
RRNCF
RRNCF
Read
0100
Q2
1101 0111
1110 1011
?
1101 0111
1110 1011
1101 0111
f
[0,1]
[0,1]
255
dest<n-1>,
dest<7>
REG, 1, 0
REG, 0, 0
RRNCF
00da
Process
Data
Q3
register f
ffff
f [,d [,a]
destination
Write to
Q4
ffff
SETF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
REG
REG
Q1
register 'f'
Set f
[ label ] SETF
0
a
FFh
None
The contents of the specified regis-
ter are set to FFh. If ’a’ is 0, the
Access Bank will be selected, over-
riding the BSR value. If ’a’ is 1, then
the bank will be selected as per the
BSR value (default).
1
1
SETF
Read
0110
Q2
=
=
f
[0,1]
PIC18FXX2
255
f
0x5A
0xFF
100a
Process
Data
REG,1
Q3
DS39564C-page 245
f [,a]
ffff
register 'f'
Write
Q4
ffff
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