PIC16C58B-04P

Overview

The PIC16C58B-04P is an 8-bit microcontroller developed by Microchip Technology, part of the PIC16C5x series. It is designed for embedded control applications, offering a balance of performance, power efficiency, and cost-effectiveness. The microcontroller features 2KB of EPROM for program storage and 80 bytes of RAM for data handling, making it suitable for small to medium complexity tasks. With a maximum operating frequency of 4MHz, the PIC16C58B-04P is capable of executing instructions efficiently while maintaining low power consumption. Its CMOS technology ensures reliable performance across a wide range of industrial and consumer applications. The device is housed in a plastic DIP package, providing ease of integration into various circuit designs.

Structure and Working Principle

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The PIC16C58B-04P is built around an 8-bit RISC architecture, which simplifies instruction decoding and execution. The core includes an ALU (Arithmetic Logic Unit), program counter, and a stack for subroutine handling. The 2KB EPROM stores the firmware, while the 80 bytes of RAM are used for temporary data storage during operation. The microcontroller operates on a 4MHz clock, derived from an external crystal oscillator or an internal RC oscillator. It features 13 I/O pins, which can be configured as inputs or outputs based on application needs. The device also includes a watchdog timer for system reliability and a power-on reset circuit for stable startup conditions.

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Key Features

The PIC16C58B-04P stands out for its low power consumption, typically drawing less than 2mA during active operation and entering microampere-range sleep modes. This makes it ideal for battery-powered applications. Its 8-bit RISC architecture ensures efficient code execution, with most instructions completing in a single clock cycle. Another notable feature is its robust I/O capability, with 13 pins that can sink or source sufficient current for driving LEDs or small relays directly. The microcontroller also supports in-circuit programming, allowing firmware updates without removing the device from the circuit board. These features combine to make the PIC16C58B-04P a versatile choice for embedded control systems.

Application Areas

The PIC16C58B-04P finds widespread use in industrial control systems, where its reliability and low power consumption are highly valued. Typical applications include sensor interfaces, motor control, and simple automation tasks. In the automotive sector, it is used for basic control functions in lighting systems, dashboard displays, and auxiliary controls. Consumer electronics represent another major application area, with the microcontroller appearing in appliances, remote controls, and small electronic gadgets. Its cost-effectiveness and ease of programming make it particularly attractive for high-volume production. The device is also commonly used in educational settings for teaching microcontroller fundamentals.

Maintenance and Precautions

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When working with the PIC16C58B-04P, proper handling is essential to prevent electrostatic discharge (ESD) damage. Always use grounded workstations and wrist straps when handling the device. The microcontroller operates within a specified voltage range (typically 2.5V to 6V), and exceeding these limits can cause permanent damage. For long-term reliability, ensure adequate decoupling capacitors are placed near the power pins. The device should be stored in anti-static packaging when not in use. When programming the microcontroller, follow the timing and voltage specifications in the datasheet precisely to avoid programming errors or device lock-up.

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B2B Procurement Guide

When procuring PIC16C58B-04P microcontrollers in bulk, verify the authenticity of the parts through authorized distributors or direct purchases from Microchip. The market has seen counterfeit versions that may not meet specifications. Consider minimum order quantities (MOQs) and lead times, as this is a legacy part that may have limited availability. For prototype quantities, reputable electronics component distributors typically stock the device. Pricing varies based on order volume, with discounts available for larger quantities. When evaluating suppliers, check their certification status with Microchip and review customer feedback regarding part authenticity and delivery reliability. Consider alternative parts in the PIC16 series if availability becomes an issue.