PIC18F45K20-I/P Microchip Technology, PIC18F45K20-I/P Datasheet - Page 32
PIC18F45K20-I/P
Manufacturer Part Number
PIC18F45K20-I/P
Description
IC PIC MCU FLASH 16KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(12 pages)
3.PIC18F25K20T-ISS.pdf
(14 pages)
4.PIC18F25K20T-ISS.pdf
(456 pages)
5.PIC18F45K20-IPT.pdf
(78 pages)
6.PIC18F26K20-ISO.pdf
(430 pages)
Specifications of PIC18F45K20-I/P
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
40-DIP (0.600", 15.24mm)
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
CCP/ECCP/EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
36
Number Of Timers
4
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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
14-ch x 10-bit
Package
40PDIP
Device Core
PIC
Family Name
PIC18
Maximum Speed
64 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM240313 - BOARD DEMO 8BIT XLPAC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPDM164124 - KIT STARTER FOR PIC18F4XK20
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F25K20T-ISS PDF datasheet #3
- PIC18F25K20T-ISS PDF datasheet #4
- PIC18F45K20-IPT PDF datasheet #5
- PIC18F26K20-ISO PDF datasheet #6
- Current page: 32 of 456
- Download datasheet (4Mb)
PIC18F2XK20/4XK20
2.4.4
The external Resistor-Capacitor (RC) modes support
the use of an external RC circuit. This allows the
designer maximum flexibility in frequency choice while
keeping costs to a minimum when clock accuracy is not
required. There are two modes: RC and RCIO.
2.4.4.1
In RC mode, the RC circuit connects to OSC1. OSC2/
CLKOUT outputs the RC oscillator frequency divided
by 4. This signal may be used to provide a clock for
external circuitry, synchronization, calibration, test or
other application requirements. Figure 2-5 shows the
external RC mode connections.
FIGURE 2-5:
2.4.4.2
In RCIO mode, the RC circuit is connected to OSC1.
OSC2 becomes an additional general purpose I/O pin.
The RC oscillator frequency is a function of the supply
voltage, the resistor (R
and the operating temperature. Other factors affecting
the oscillator frequency are:
• input threshold voltage variation
• component tolerances
• packaging variations in capacitance
The user also needs to take into account variation due
to tolerance of external RC components used.
DS41303G-page 32
R
C
Note 1:
V
Recommended values: 10 k R
EXT
EXT
SS
V
F
I/O
DD
OSC
(2)
2:
/4 or
EXTERNAL RC MODES
Alternate pin functions are listed in
Section 1.0 “Device Overview”.
Output depends upon RC or RCIO clock mode.
RC Mode
RCIO Mode
OSC1/CLKIN
OSC2/CLKOUT
EXT
EXTERNAL RC MODES
C
EXT
) and capacitor (C
> 20 pF
PIC
EXT
®
(1)
MCU
100 k
EXT
Internal
Clock
) values
2.5
The Oscillator module has two independent, internal
oscillators that can be configured or selected as the
system clock source.
1.
2.
The system clock speed can be selected via software
using the Internal Oscillator Frequency Select bits
IRCF<2:0> of the OSCCON register.
The system clock can be selected between external or
internal clock sources via the System Clock Selection
(SCS<1:0>) bits of the OSCCON register. See
Section 2.9 “Clock Switching” for more information.
2.5.1
The INTOSC and INTOSCIO modes configure the
internal oscillators as the primary clock source. The
FOSC<3:0> bits in the CONFIG1H Configuration
register determine which mode is selected. See
Section 23.0 “Special Features of the CPU” for more
information.
In INTOSC mode, OSC1/CLKIN is available for general
purpose I/O. OSC2/CLKOUT outputs the selected
internal oscillator frequency divided by 4. The CLKOUT
signal may be used to provide a clock for external
circuitry, synchronization, calibration, test or other
application requirements.
In INTOSCIO mode, OSC1/CLKIN and OSC2/CLKOUT
are available for general purpose I/O.
2.5.2
The output of the HFINTOSC connects to a postscaler
and multiplexer (see Figure 2-1). One of eight
frequencies can be selected via software using the
IRCF<2:0> bits of the OSCCON register. See
Section 2.5.4 “Frequency Select Bits (IRCF)” for
more information.
The HFINTOSC is enabled when:
• SCS1 = 1 and IRCF<2:0> 000
• SCS1 = 1 and IRCF<2:0> = 000 and INTSRC = 1
• IESO bit of CONFIG1H = 1 enabling Two-Speed
• FCMEM bit of CONFIG1H = 1 enabling Two-
• FOSC<3:0> of CONFIG1H selects the internal
The HF Internal Oscillator (IOFS) bit of the OSCCON
register indicates whether the HFINTOSC is stable or not.
Start-up.
Speed Start-up and Fail-Safe mode.
oscillator as the primary clock
The
Oscillator) is factory calibrated and operates at
16 MHz. The frequency of the HFINTOSC can
be
OSCTUNE register (Register 2-2).
The
Oscillator) operates at 31 kHz.
Internal Clock Modes
INTOSC AND INTOSCIO MODES
user-adjusted
HFINTOSC
LFINTOSC
HFINTOSC
2010 Microchip Technology Inc.
(High-Frequency
via software using the
(Low-Frequency
Internal
Internal
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