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PIC18F242 데이터시트(PDF) 220 Page - Microchip Technology

부품명 PIC18F242
상세설명  High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D
PDF  332 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F242 데이터시트(HTML) 220 Page - Microchip Technology

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PIC18FXX2
DS39564C-page 218
© 2006 Microchip Technology Inc.
ADDWFC
ADD W and Carry bit to f
Syntax:
[
label ] ADDWFC
f [,d [,a]
Operands:
0
≤ f ≤ 255
d
∈ [0,1]
a
∈ [0,1]
Operation:
(W) + (f) + (C)
→ dest
Status Affected:
N,OV, C, DC, Z
Encoding:
0010
00da
ffff
ffff
Description:
Add W, the Carry Flag and data
memory location 'f'. If 'd' is 0, the
result is placed in W. If 'd' is 1, the
result is placed in data memory loca-
tion 'f'. If ‘a’ is 0, the Access Bank
will be selected. If ‘a’ is 1, the BSR
will not be overridden.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register 'f'
Process
Data
Write to
destination
Example:
ADDWFC
REG,
0, 1
Before Instruction
Carry bit =
1
REG
=
0x02
W
=
0x4D
After Instruction
Carry bit =
0
REG
=
0x02
W
=
0x50
ANDLW
AND literal with W
Syntax:
[
label ] ANDLW
k
Operands:
0
≤ k ≤ 255
Operation:
(W) .AND. k
→ W
Status Affected:
N,Z
Encoding:
0000
1011
kkkk
kkkk
Description:
The contents of W are ANDed with
the 8-bit literal 'k'. The result is
placed in W.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read literal
'k'
Process
Data
Write to W
Example:
ANDLW
0x5F
Before Instruction
W=
0xA3
After Instruction
W
=
0x03



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