PIC18F2331-E/ML MICROCHIP [Microchip Technology], PIC18F2331-E/ML Datasheet - Page 301
![no-image](/images/no-image-200.jpg)
PIC18F2331-E/ML
Manufacturer Part Number
PIC18F2331-E/ML
Description
28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2331-EML.pdf
(392 pages)
- Current page: 301 of 392
- Download datasheet (4Mb)
CPFSGT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2010 Microchip Technology Inc.
Q Cycle Activity:
If skip:
If skip and followed by 2-word instruction:
Before Instruction
After Instruction
operation
operation
operation
Decode
No
No
No
PC
W
If REG
If REG
Q1
Q1
Q1
PC
PC
register ‘f’
operation
operation
operation
Compare f with W, Skip if f > W
[ label ] CPFSGT
0 f 255
a [0,1]
(f) W),
skip if (f) > (W)
(unsigned comparison)
None
Compares the contents of data memory
location, ‘f’, to the contents of the W by
performing an unsigned subtraction.
If the contents of ‘f’ are greater than the
contents of WREG, then the fetched
instruction is discarded and a NOP is
executed instead, making this a two-
cycle instruction. If ‘a’ is ‘0’, the Access
Bank will be selected, overriding the
BSR value. If ‘a’ = 1, then the bank will
be selected as per the BSR value.
1
1(2)
Note:
HERE
NGREATER
GREATER
Read
0110
No
No
No
Q2
Q2
Q2
=
=
=
=
3 cycles if skip and followed
by a 2-word instruction.
Address (HERE)
?
W;
Address (GREATER)
W;
Address (NGREATER)
010a
operation
operation
operation
CPFSGT REG
:
:
Process
Data
No
No
No
Q3
Q3
Q3
f [,a]
ffff
operation
operation
operation
operation
PIC18F2331/2431/4331/4431
No
No
No
No
Q4
Q4
Q4
ffff
CPFSLT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
If skip:
If skip and followed by 2-word instruction:
Before Instruction
After Instruction
operation
operation
operation
Decode
No
No
No
PC
W
If REG
PC
If REG
PC
Q1
Q1
Q1
register ‘f’
operation
operation
operation
Compare f with W, Skip if f < W
[ label ] CPFSLT
0 f 255
a [0,1]
(f) –W),
skip if (f) < (W)
(unsigned comparison)
None
Compares the contents of data memory
location, ‘f’, to the contents of W by
performing an unsigned subtraction.
If the contents of ‘f’ are less than the
contents of W, then the fetched
instruction is discarded and a NOP is
executed instead, making this a
two-cycle instruction. If ‘a’ is ‘0’, the
Access Bank will be selected. If ‘a’ is ‘1’,
the BSR will not be overridden.
1
1(2)
Note:
HERE
NLESS
LESS
Read
0110
No
No
No
Q2
Q2
Q2
=
=
<
=
=
3 cycles if skip and followed
by a 2-word instruction.
Address (HERE)
?
W;
Address (LESS)
W;
Address (NLESS)
CPFSLT REG
:
:
000a
operation
operation
operation
Process
Data
No
No
No
Q3
Q3
Q3
DS39616D-page 301
f [,a]
ffff
operation
operation
operation
operation
No
No
No
No
Q4
Q4
Q4
ffff
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