PIC18F4520 8-bit PIC Microcontroller

Description

PIC18F4520 8-bit PIC Microcontroller The PIC18F4520 is an enhanced 8-bit Flash microcontroller from Microchip’s PIC18 family that targets mid-range embedded designs where a balance of performance, peripherals and low-power modes is required. Built on the PIC18 architecture, it provides ample program memory and data RAM for moderately complex applications while keeping code density and real-time response high. The device is designed to be easy to integrate: standard I/O, analogue inputs, timers and serial peripherals are arranged to simplify common embedded tasks such as sensing, control and communication. Because it combines a fast CPU (DC–40 MHz operation with PLL options), a 10-bit A/D, multiple UART/SPI/I²C interfaces and PWM/CCP resources, the PIC18F4520 can handle mixed analog/digital tasks (for example, sensor acquisition plus motor or power control) without immediate need for external support chips. Its internal oscillator options and power-managed modes let designers optimize for battery-powered or always-on systems where minimizing quiescent current matters. The device is also developer-friendly: it supports in-circuit serial programming (ICSP), in-circuit debugging (ICD) and a broad ecosystem of MPLAB tools and compilers, which speeds prototyping and field updates. Packaging and I/O variants (28, 40/44 pin options) make the PIC18F4520 flexible for compact PCBs or multi-I/O boards, letting you scale the same core design across several form factors. Features: Enhanced Flash program memory (self-programmable under software control). C-compiler-optimized architecture (optional extended instruction set). nano Watt power-management modes: Run, Idle and Sleep (very low standby currents). Internal oscillator block with multiple selectable frequencies and PLL up to 4×. 10-bit A/D converter (up to 13 channels on 40/44-pin devices). Enhanced/standard CCP modules with PWM (ECCP on 40/44-pin variants). Enhanced Addressable EUSART (auto-baud, LIN support) and MSSP (SPI/I²C). In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) support. Specifications: Specification Detail Core: 8-bit PIC18 family. Max CPU / Clock: DC – 40 MHz (with PLL options). Program Memory: 32 KB (32,768 bytes) Flash. Instruction Words: 16,384 instructions (single-word). Data (SRAM): 1,536 bytes. EEPROM: 256 bytes. ADC: 10-bit ADC, up to 13 channels (40/44-pin devices). I/O Ports: Up to 5 bidirectional ports (depends on package). Timers: Four timers (Timer0–Timer3). CCP / ECCP: CCP modules (PWM); ECCP on 40/44-pin devices. Serial Peripherals: MSSP (SPI/I²C), Enhanced EUSART (UART). Voltage (standard): Standard (F) devices: VDD ≈ 4.2–5.5 V; Low-voltage (LF) variants: 2.0–5.5 V. Temperature range: Industrial: −40°C to +85°C (see datasheet for extended options). Package options: 28-pin (PDIP/SOIC/QFN) and 40/44-pin (PDIP/QFN/TQFP) variants. Pinout Diagram: Footprint Diagram: Applications: Embedded control and general-purpose microcontroller applications. Data acquisition and sensor interfacing. Motor and power control with PWM. Serial communications and networking (RS-232, LIN, SPI, I²C). Package Contents: 1x PIC18F4520 8-bit PIC Microcontroller Datasheet

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