PIC18F2439T-E/SO Microchip Technology, PIC18F2439T-E/SO Datasheet - Page 230
![IC PIC MCU FLASH 6KX16 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC18F2439T-E/SO
Manufacturer Part Number
PIC18F2439T-E/SO
Description
IC PIC MCU FLASH 6KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2439-ISO.pdf
(322 pages)
3.PIC18F2439-ISO.pdf
(6 pages)
4.PIC18F2439-ISO.pdf
(34 pages)
Specifications of PIC18F2439T-E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
12KB (6K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
640 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
640 B
Interface Type
I2C, SPI, AUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Number Of Timers
16 bit
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
DV164005, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
5 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2439-ISO PDF datasheet #2
- PIC18F2439-ISO PDF datasheet #3
- PIC18F2439-ISO PDF datasheet #4
- Current page: 230 of 322
- Download datasheet (7Mb)
PIC18FXX39
COMF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
DS30485A-page 228
Q Cycle Activity:
Before Instruction
After Instruction
Decode
REG
REG
W
Q1
=
=
=
register 'f'
Complement f
[ label ] COMF
0 ≤ f ≤ 255
d ∈ [0,1]
a ∈ [0,1]
N, Z
The contents of register 'f' are com-
plemented. 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, overriding the BSR value.
If ‘a’ = 1, then the bank will be
selected as per the BSR value
(default).
1
1
COMF
( f )
Read
0001
Q2
0x13
0x13
0xEC
→ dest
11da
REG, 0, 0
Process
Data
Q3
f [,d [,a]
ffff
destination
Write to
Q4
ffff
Preliminary
CPFSEQ
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
PC Address
W
REG
If REG
If REG
No
No
No
Q1
Q1
Q1
PC
PC
register 'f'
operation
operation
operation
Compare f with W, skip if f = W
[ label ] CPFSEQ
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 'f' = W
tion is discarded and a NOP is
executed instead, making this a
two-cycle instruction. If ‘a’ is 0, the
Access Bank will be selected, over-
riding the BSR value. If ‘a’ = 1, then
the bank will be selected as per the
BSR value (default).
1
1(2)
Note: 3 cycles if skip and followed
HERE
NEQUAL
EQUAL
Read
0110
Q2
No
No
No
Q2
Q2
=
=
=
=
=
≠
=
2002 Microchip Technology Inc.
by a 2-word instruction.
HERE
?
?
W;
Address (EQUAL)
W;
Address (NEQUAL)
,
then the fetched instruc-
CPFSEQ REG, 0
:
:
001a
operation
operation
operation
Process
Data
Q3
No
No
No
Q3
Q3
ffff
f [,a]
operation
operation
operation
operation
No
Q4
No
No
No
Q4
Q4
ffff
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