PIC18F452I/L Microchip Technology, PIC18F452I/L Datasheet - Page 221
PIC18F452I/L
Manufacturer Part Number
PIC18F452I/L
Description
IC, 8BIT MCU, PIC18F, 40MHZ, LCC-44
Manufacturer
Microchip Technology
Datasheet
1.PIC18F242-ISO.pdf
(332 pages)
Specifications of PIC18F452I/L
Controller Family/series
PIC18
No. Of I/o's
34
Eeprom Memory Size
256Byte
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Core Size
8 Bit
Program Memory Size
16 KWords
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ANDWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
© 2006 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
W
REG
W
REG
Q1
=
=
=
=
register 'f'
AND W with f
[ label ] ANDWF
0
d
a
(W) .AND. (f)
N,Z
The contents of W are AND’ed with
register 'f'. If 'd' is 0, the result is
stored in W. If 'd' is 1, the result is
stored back in register 'f' (default). If
‘a’ is 0, the Access Bank will be
selected. If ‘a’ is 1, the BSR will not
be overridden (default).
1
1
ANDWF
Read
0001
Q2
0x17
0xC2
0x02
0xC2
f
[0,1]
[0,1]
255
01da
REG, 0, 0
Process
Data
Q3
dest
ffff
f [,d [,a]
destination
Write to
Q4
ffff
BC
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
If Jump:
If No Jump:
Before Instruction
After Instruction
operation
Decode
Decode
No
PC
If Carry
If Carry
Q1
Q1
PC
PC
Read literal
Read literal
operation
Branch if Carry
[ label ] BC
-128
if carry bit is ’1’
None
If the Carry bit is ’1’, then the
program will branch.
The 2’s complement number ’2n’ is
added to the PC. Since the PC will
have incremented to fetch the next
instruction, the new address will be
PC+2+2n. This instruction is then
a two-cycle instruction.
1
1(2)
HERE
(PC) + 2 + 2n
1110
No
Q2
Q2
'n'
'n'
=
=
=
=
=
PIC18FXX2
n
address (HERE)
1;
address (HERE+12)
0;
address (HERE+2)
127
0010
operation
BC
Process
Process
Data
Data
n
No
Q3
Q3
DS39564C-page 219
5
PC
nnnn
Write to PC
operation
operation
No
No
Q4
Q4
nnnn
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