PIC18F4550 is an 8-bit microcontroller
manufactured by Microchip with nano-Watt technology with enhanced flash, USB,
and high-performance. It is a 40-pin microcontroller that comes with several
features such as memory endurance, self-programmability, extended instruction
set, enhanced CCP module, and addressable USART and 10-bit ADC (Analog to
digital converter).
The 18F4550 has 32K of flash, 12 MIPs
from a 48MHz external crystal (internal PLL up to 48MHz), and a hardware Full
Speed USB 2.0 peripheral. That's right, this little guy can communicate
directly with USB. Package can be programmed in circuit and even has a
dedicated ICD port on the TQFP versions.
It consists of 4 timers or an external
oscillator is interfaced for clocking purposes, 13 channels for ADC, ADC
comparators, and other peripherals. It is an 8-bit popular microcontroller
available in various packages like QPF, QPN, and DIP. It is selected based on the
type of project and requirement.
It is very simple to program the
PIC18F4550 controller and easy to interface with many peripheral devices using
35 programmable I/O pins. With the feature of the USB interface, it provides
hassle-free communication between the controller and the PC. The watchdog timer
can be reset to use the systems without any human interface.
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