PIC18LF2455-I/SP Microchip Technology, PIC18LF2455-I/SP Datasheet - Page 28
![IC PIC MCU FLASH 12KX16 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC18LF2455-I/SP
Manufacturer Part Number
PIC18LF2455-I/SP
Description
IC PIC MCU FLASH 12KX16 28DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XR1.pdf
(438 pages)
3.PIC18F2221-ISO.pdf
(46 pages)
4.PIC18F2455-ISO.pdf
(14 pages)
5.PIC18F2455-ISO.pdf
(8 pages)
6.PIC18F2455-ISO.pdf
(26 pages)
7.PIC18LF4550-IML.pdf
(430 pages)
Specifications of PIC18LF2455-I/SP
Core Size
8-Bit
Program Memory Size
24KB (12K x 16)
Oscillator Type
Internal
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
2048Byte
Cpu Speed
48MHz
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2048 B
Interface Type
SPI, I2C, EAUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
24
Number Of Timers
1 x 8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PCM18XR1 PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2455-ISO PDF datasheet #4
- PIC18F2455-ISO PDF datasheet #5
- PIC18F2455-ISO PDF datasheet #6
- PIC18LF4550-IML PDF datasheet #7
- Current page: 28 of 438
- Download datasheet (7Mb)
PIC18F2455/2550/4455/4550
TABLE 2-2:
An internal postscaler allows users to select a clock
frequency other than that of the crystal or resonator.
Frequency division is determined by the CPUDIV
Configuration bits. Users may select a clock frequency
of the oscillator frequency, or 1/2, 1/3 or 1/4 of the
frequency.
An external clock may also be used when the micro-
controller is in HS Oscillator mode. In this case, the
OSC2/CLKO pin is left open (Figure 2-3).
DS39632E-page 26
Capacitor values are for design guidance only.
These capacitors were tested with the crystals listed
below for basic start-up and operation. These values
are not optimized.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
V
See the notes following this table for additional
information.
Osc Type
DD
Note 1: Higher capacitance increases the stability
HS
XT
and temperature range for the application.
2: When operating below 3V V
3: Since each resonator/crystal has its own
4: Rs may be required to avoid overdriving
5: Always verify oscillator performance over
of oscillator but also increases the
start-up time.
using certain ceramic resonators at any
voltage, it may be necessary to use the
HS mode or switch to a crystal oscillator.
characteristics, the user should consult
the resonator/crystal manufacturer for
appropriate
components.
crystals with low drive level specification.
the V
expected for the application.
20 MHz
Crystal
4 MHz
4 MHz
8 MHz
Freq
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
DD
Crystals Used:
and temperature range that is
20 MHz
4 MHz
8 MHz
Typical Capacitor Values
values
27 pF
27 pF
22 pF
15 pF
C1
Tested:
of
DD
, or when
27 pF
27 pF
22 pF
15 pF
external
C2
FIGURE 2-3:
2.2.3
The EC, ECIO, ECPLL and ECPIO Oscillator modes
require an external clock source to be connected to the
OSC1 pin. There is no oscillator start-up time required
after a Power-on Reset or after an exit from Sleep
mode.
In the EC and ECPLL Oscillator modes, the oscillator
frequency divided by 4 is available on the OSC2 pin.
This signal may be used for test purposes or to
synchronize other logic. Figure 2-4 shows the pin
connections for the EC Oscillator mode.
FIGURE 2-4:
The ECIO and ECPIO Oscillator modes function like the
EC and ECPLL modes, except that the OSC2 pin
becomes an additional general purpose I/O pin. The I/O
pin becomes bit 6 of PORTA (RA6). Figure 2-5 shows
the pin connections for the ECIO Oscillator mode.
FIGURE 2-5:
The internal postscaler for reducing clock frequency in
XT and HS modes is also available in EC and ECIO
modes.
Clock from
Ext. System
Clock from
Ext. System
Clock from
Ext. System
EXTERNAL CLOCK INPUT
F
Open
OSC
RA6
/4
EXTERNAL CLOCK INPUT
OPERATION (HS OSC
CONFIGURATION)
EXTERNAL CLOCK
INPUT OPERATION
(EC AND ECPLL
CONFIGURATION)
EXTERNAL CLOCK
INPUT OPERATION
(ECIO AND ECPIO
CONFIGURATION)
© 2009 Microchip Technology Inc.
OSC1
OSC2
OSC1/CLKI
OSC2/CLKO
OSC1/CLKI
I/O (OSC2)
PIC18FXXXX
PIC18FXXXX
PIC18FXXXX
(HS Mode)
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