參數(shù)資料
型號: 16F84A
廠商: Microchip Technology Inc.
英文描述: CAT 5E CROSSOVER PATCH CORD CABLE BLUE 20 FT
中文描述: 18引腳閃存/ EEPROM的8位微控制器
文件頁數(shù): 62/124頁
文件大小: 1322K
代理商: 16F84A
PIC16F8X
DS30430C-page 62
1998 Microchip Technology Inc.
IORWF
Syntax:
Operands:
Inclusive OR W with f
[ label IORWF f,d
0
f
127
d
[0,1]
(W) .OR. (f)
(destination)
Z
Operation:
Status Affected:
Encoding:
Description:
00
0100
dfff
ffff
Inclusive OR the W register with regis-
ter 'f'. If 'd' is 0 the result is placed in the
W register. If 'd' is 1 the result is placed
back in register 'f'.
1
1
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
register
'f'
Process
data
Write to
destination
Example
IORWF
RESULT, 0
Before Instruction
RESULT =
W
0x13
0x91
=
After Instruction
RESULT =
W
Z
0x13
0x93
1
=
=
MOVF
Syntax:
Operands:
Move f
[ label MOVF f,d
0
f
127
d
[0,1]
(f)
(destination)
Z
Operation:
Status Affected:
Encoding:
Description:
00
1000
dfff
ffff
The contents of register f is moved to a
destination dependant upon the status
of d. If d = 0, destination is W register. If
d = 1, the destination is file register f
itself. d = 1 is useful to test a file regis-
ter since status flag Z is affected.
1
1
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
register
'f'
Process
data
Write to
destination
Example
MOVF
FSR, 0
After Instruction
W = value in FSR register
Z
= 1
MOVLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Move Literal to W
[ label MOVLW k
0
k
255
k
(W)
None
11
00xx
kkkk
kkkk
The eight bit literal 'k' is loaded into W
register
.
The don’t cares will assemble
as 0’s.
1
1
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
literal 'k'
Process
data
Write to
W
Example
MOVLW
0x5A
After Instruction
W
=
0x5A
MOVWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Move W to f
[ label MOVWF f
0
f
127
(W)
(f)
None
00
0000
1fff
ffff
Move data from W register to register
'f'
.
1
1
Q1
Q2
Words:
Cycles:
Q Cycle Activity:
Q3
Q4
Decode
Read
register
'f'
Process
data
Write
register 'f'
Example
MOVWF
OPTION_REG
Before Instruction
OPTION =
W
0xFF
0x4F
=
After Instruction
OPTION =
W
0x4F
0x4F
=
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