PIC18 Microcontroller Family
The PIC18 microcontroller family provides PICmicro庐
devices in 18- to 80-pin packages, that are both socket
and software upwardly compatible to the PIC16 family. The
PIC18 family includes all the popular peripherals, such as
MSSP ESCI, CCP flexible 8- and 16-bit timers, PSP 10-bit
,
,
,
ADC, WDT, POR and CAN 2.0B Active for the maximum
flexible solution. Most PIC18 devices will provide FLASH
program memory in sizes from 8 to 128 Kbytes and data
RAM from 256 to 4 Kbytes; operating from 2.0 to 5.5 volts,
at speeds from DC to 40 MHz. Optimized for high-level
languages like ANSI C, the PIC18 family offers a highly
flexible solution for complex embedded applications.
High Performance RISC CPU:
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77 instructions
C-Language friendly architecture
PIC16 source code compatible
Linear program memory addressing to 2 Mbyte
Linear data memory addressing up to 4 Kbytes
Up to 10 MIPs operation:
鈥?DC - 40 MHz osc/clock input
鈥?4 MHz - 10 MHz clock with PLL active
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16-bit wide instructions, 8-bit wide data path
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Priority levels for interrupts
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8 x 8 Single Cycle Hardware Multiplier
Analog Features (Continued):
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Programmable Low Voltage Detection (LVD) module
鈥?Supports interrupt-on-low voltage detection
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Programmable Brown-out Reset (BOR)
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Comparators
Special Microcontroller Features:
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Power-on Reset (POR), Power-up Timer (PWRT) and
Oscillator Start-up Timer (OST)
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Watchdog Timer (WDT) with its own on-chip RC oscillator
for reliable operation
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Programmable code protection
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In-Circuit Serial Programming
TM
(ICSP
TM
) via two pins
Peripheral Features:
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High current sink/source 25 mA/25 mA
Up to four external interrupt pins
Up to three 16-bit timer/counters
Up to two 8-bit timer/counters with 8-bit period
register (time-base for PWM)
Secondary LP oscillator clock option - Timer1
Up to five Capture/Compare/PWM (CCP) modules
CCP pins can be configured as:
鈥?Capture input: 16-bit, resolution 6.25 ns (T
CY
/16)
鈥?Compare: 16-bit, max. resolution 100 ns (T
CY
)
鈥?PWM output: PWM resolution is 1- to 10-bit
Max. PWM frequency @: 8-bit resolution = 156 kHz
10-bit resolution = 39 kHz
Master Synchronous Serial Port (MSSP) module
Two modes of operation:
鈥?3-wire SPI
TM
(supports all 4 SPI modes)
鈥?I
2
C
TM
Master and Slave mode
Up to 2 Addressable USART modules (ESCI)
鈥?Supports interrupt on Address bit
Parallel Slave Port (PSP) module
CMOS Technology:
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Fully static design
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Wide operating voltage range (2.0V to 5.5V)
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Industrial and Extended temperature ranges
Power Managed Features:
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Dynamically switch to secondary LP oscillator
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Internal RC oscillator for ADC operation during SLEEP
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SLEEP mode (I
PD
< 1 碌A typ.)
鈥?up to 23 individually selectable wake-up events
鈥?3 edge selectable wake-up inputs
鈥?4 state change wake-up inputs
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Internal RC oscillator for WDT (period wake-up)
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RAM retention mode (V
DD
as low as 1.5V)
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Up to 6 more Power Managed modes available on
selected models (PIC18F1320/2320/4320 and
PIC18F1220/2220/4220)
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Analog Features:
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10-bit Analog-to-Digital Converter module (A/D) with:
鈥?Fast sampling rate
鈥?Up to 16 channels input multiplexor
鈥?Conversion available during SLEEP
鈥?DNL = 卤1 LSb, INL = 卤1 LSb
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Microchip Technology Inc.
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The Embedded Control Solutions Company庐
PIC18F242相关型号PDF文件下载
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