參數(shù)資料
型號: PIC16C56A-20I/JW
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 20 MHz, RISC MICROCONTROLLER, CDIP18
封裝: 0.300 INCH, WINDOWED, CERDIP-18
文件頁數(shù): 99/158頁
文件大?。?/td> 1194K
代理商: PIC16C56A-20I/JW
2000 Microchip Technology Inc.
Preliminary
DS30453C-page 45
PIC16C5X
ADDWF
Add W and f
Syntax:
[ label ] ADDWF
f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
(W) + (f)
→ (dest)
Status Affected:
C, DC, Z
Encoding:
0001
11df
ffff
Description:
Add the contents of the W register and
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’
.
Words:
1
Cycles:
1
Example:
ADDWF
FSR, 0
Before Instruction
W
=
0x17
FSR =
0xC2
After Instruction
W
=
0xD9
FSR =
0xC2
ANDLW
And literal with W
Syntax:
[ label ] ANDLW
k
Operands:
0
≤ k ≤ 255
Operation:
(W).AND. (k)
→ (W)
Status Affected:
Z
Encoding:
1110
kkkk
Description:
The contents of the W register are
AND’ed with the eight-bit literal 'k'. The
result is placed in the W register
.
Words:
1
Cycles:
1
Example:
ANDLW
0x5F
Before Instruction
W=
0xA3
After Instruction
W
=
0x03
ANDWF
AND W with f
Syntax:
[ label ] ANDWF
f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
(W) .AND. (f)
→ (dest)
Status Affected:
Z
Encoding:
0001
01df
ffff
Description:
The contents of the W register are
AND’ed with 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'
.
Words:
1
Cycles:
1
Example:
ANDWF
FSR,
1
Before Instruction
W
= 0x17
TEMP_REG = 0xC2
After Instruction
W
= 0x17
TEMP_REG = 0x2
BCF
Bit Clear f
Syntax:
[ label ] BCF
f,b
Operands:
0
≤ f ≤ 31
0
≤ b ≤ 7
Operation:
0
→ (f<b>)
Status Affected:
None
Encoding:
0100
bbbf
ffff
Description:
Bit 'b' in register 'f' is cleared.
Words:
1
Cycles:
1
Example:
BCF
FLAG_REG,
7
Before Instruction
FLAG_REG = 0xC7
After Instruction
FLAG_REG = 0x47
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