PIC18F1230 MICROCHIP [Microchip Technology], PIC18F1230 Datasheet - Page 234
PIC18F1230
Manufacturer Part Number
PIC18F1230
Description
18/20/28-Pin, Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F1230.pdf
(312 pages)
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PIC18F1230/1330
MOVFF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
1st word (source)
2nd word (destin.)
Description:
Words:
Cycles:
Example:
DS39758B-page 232
Q Cycle Activity:
Before Instruction
After Instruction
Decode
Decode
REG1
REG2
REG1
REG2
Q1
No dummy
register ‘f’
operation
Move f to f
MOVFF f
0
0
(f
None
The contents of source register ‘f
moved to destination register ‘f
Location of source ‘f
in the 4096-byte data space (000h to
FFFh) and location of destination ‘f
can also be anywhere from 000h to
FFFh.
Either source or destination can be W
(a useful special situation).
MOVFF
transferring a data memory location to a
peripheral register (such as the transmit
buffer or an I/O port).
The MOVFF instruction cannot use the
PCL, TOSU, TOSH or TOSL as the
destination register.
2
2 (3)
MOVFF
s
Read
(src)
read
)
1100
1111
Q2
No
f
f
=
=
=
=
s
d
f
d
4095
4095
is particularly useful for
33h
11h
33h
33h
s
REG1, REG2
,f
ffff
ffff
d
operation
Process
Data
Q3
No
s
’ can be anywhere
ffff
ffff
Advance Information
register ‘f’
operation
(dest)
Write
d
Q4
No
fff
fff
’.
s
’ are
d
f
f
’
s
d
MOVLB
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
BSR Register =
BSR Register =
Q1
Move Literal to Low Nibble in BSR
MOVLW k
0
k
None
The eight-bit literal ‘k’ is loaded into the
Bank Select Register (BSR). The value of
BSR<7:4> always remains ‘
of the value of k
1
1
MOVLB
0000
literal ‘k’
k
Read
BSR
Q2
© 2006 Microchip Technology Inc.
255
02h
05h
0001
7
Process
5
:k
Data
4
Q3
.
kkkk
0
’, regardless
Write literal
‘k’ to BSR
Q4
kkkk
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