PIC18LC658/CL

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The PIC18LC658/CL is an 8-bit microcontroller developed and manufactured by Microchip. It belongs to the family of Microchip\'s PIC18 series of microcontrollers. The PIC18LC658/CL is a very cost-effective device that offers a broad range of features and functionalities in a compact package. The device is powered by a PIC18LF 24bit core processor and comes with 16KB of flash memory and 768 bytes of RAM. It also has a 4-level embedded stack, an LCD module, two COM terminals, two UARTs and one I2C module.

The PIC18LC658/CL is a popular choice for embedded applications, as it is well suited for controlling various tasks such as controlling motors, actuators, measuring instruments, data acquisition, and sensors. It can also be used for various applications that require real-time data processing and communication. It is also suitable for Internet of Things (IoT) applications. The device has an integrated Standard Peripheral Interface (SPI) that makes it easier for communication with external devices such as sensors or other integrated circuits.

The working principle of the PIC18LC658/CL is based on its core processor. The processor acts as the “brain” of the microcontroller, controlling the other integrated devices, such as the LCD module, UARTs, and I2C module. It is responsible for interpreting commands given by the user program, such as deciding when to turn things on and off and how quickly to move. It makes use of the program counter, instruction register, and limited system registers to determine the flow of the program.

The device supports multiple clock sources, such as Internal Oscillator, External Oscillator, RC Oscillator, Synchronous Clock, and External Clock. The oscillator acts as the clock source for the processor and controls the speed of the clock cycle. The device also features various external interfaces such as USART, SPI, I2C, XT, and USB for communication with other devices.

The device also features several features to make it more energy efficient. It has an Advanced Standby low-power mode that reduces power consumption to less than one-tenth of active mode power consumption. It also has Sleep mode which shuts down all modules except the main oscillator and system clock, to minimize power consumption. Moreover, the device also offers Brown-out Reset feature which represents a threshold voltage below which the device is reset and returns to active mode, to prevent accidental damages due to low voltage.

The PIC18LC658/CL is a feature-packed microcontroller that can be easily used for many embedded applications. It offers an advanced and energy-efficient core processor, various integrated peripherals, and low-power modes. It has multiple clock sources that allow it to accommodate a wide range of applications and requirements. The device is also very easy to program, as it is fully compatible with both the 8-bit and 32-bit version of the C language. With its wide range of features and functionalities, the PIC18LC658/CL can be a great choice for any embedded application.

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