PIC18F252-I/SP

Program Memory Type:	FLASH
Base Part Number:	PIC18F252
Supplier Device Package:	28-SPDIP
Package / Case:	28-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	External
Data Converters:	A/D 5x10b
Voltage - Supply (Vcc/Vdd):	4.2 V ~ 5.5 V
RAM Size:	1.5K x 8
EEPROM Size:	256 x 8
Series:	PIC® 18F
Program Memory Size:	32KB (16K x 16)
Number of I/O:	23
Peripherals:	Brown-out Detect/Reset, LVD, POR, PWM, WDT
Connectivity:	I²C, SPI, UART/USART
Speed:	40MHz
Core Size:	8-Bit
Core Processor:	PIC
Part Status:	Active
Packaging:	Tube

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Embedded - Microcontrollers

PIC18F252-I/SP is a high performance 8-bit CISC (Complex Instruction Set Computing) microcontroller designed for use in a wide range of communications, industrial control, medical and consumer applications. It is based on an architecture that combines RISC (Reduced Instruction Set Computing) technology and CISC (Complex Instruction Set Computing) technology to provide an ideal balance between speed and code size. This flexibility allows the device to be used in a variety of applications.The PIC18F252-I/SP has a wide range of features that make it well suited for use in a variety of industries. The device is built with a central processor unit (CPU) for running algorithms and instructions and an array of peripheral controllers and user interface components. This includes a Timer Module, Peripheral Interrupt Controller, Parallel Master Port (PMP), Analog-to-Digital Converter (ADC), Serial Peripheral Interface (SPI), and I²C Bus Interface. Each of these components can be used to control and interact with other components, allowing for more complex tasks to be carried out with the device.The CPU of the PIC18F252-I/SP has a 16-bit instruction set which is optimized for efficient program execution. The processor can execute instructions of various opcode lengths which are tailored to specific application requirements. This instruction set provides efficient control action and powerful in-circuit debugging features. The processor can also switch between five clock speeds, from a minimum of 1 MHz up to a maximum of 16 MHz. This makes the device suitable for applications which require high clock speed for real-time performance as well as for those which require low clock speed for power efficiency.The PIC18F252-I/SP can be programmed in either Assembly language or C language. The device has on-chip debugging features which allow the programmer to utilize real-time interactive debugging tools. This can improve the reliability and accuracy of the program and allows debugging to be done quickly and efficiently.The Peripheral Interrupt Controller (PIC) of the PIC18F252-I/SP is used to enable and disable peripheral interrupts, set the interrupt priority level, and mask selected interrupt sources. This will allow different priority levels to be set for different peripheral requests, allowing the processor to quickly respond to the highest priority requests, while temporarily ignoring the lower priority ones. This can help to save processing time and reduce power consumption.The analog-to-digital converter (ADC) module can convert analog signals into a digital format that can be read by the processor. This allows the processor to quickly process and respond to changes in analog signals, such as changes in temperature or pressure. The ADC can be configured in a variety of ways, such as setting the resolution and sample rate, to suit the needs of the application.The Serial Peripheral Interface (SPI) module is a high-speed, full duplex communication protocol that is often used to communicate with external components and devices. The PIC18F252-I/SP offers a range of options for configuring the SPI, such as selecting the master or slave mode, and setting the frame size, bit rate, and protocol.The Parallel Master Port (PMP) module is used to provide a parallel interface for connecting the PIC18F252-I/SP to a number of peripheral devices. The PMP supports multiplexed and non-multiplexed operation, allowing it to be used to control a variety of components in different configurations. The PMP can be used to drive an LCD module, send data to an external EEPROM, or communicate with other parallel peripheral devices.The I²C bus interface is used to communicate with components that are connected to the microcontroller. This can include components such as EEPROMs, Real-Time Clocks, and sensors. The I²C bus uses a two-wire serial bus protocol which allows the devices to exchange data in a simple manner with low power consumption.The PIC18F252-I/SP also includes a range of other features such as watchdog timer, power-on-reset, programmable code protection, and brownout reset. It is packaged in a 28-pin PDIP (plastic dual in-line package) which makes it suitable for use on a wide range of applications ranging from industrial to consumer.In summary, the PIC18F252-I/SP is a high-performance 8-bit CISC microcontroller designed for industrial, medical, and consumer applications. It combines RISC and CISC technology to provide maximum performance and efficiency and features a range of user interface components, including a timer module, PIC, ADC, SPI, and I²C bus. The device is packaged in a 28-pin PDIP, making it suitable for a variety of applications.

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