Microchip PIC16C62B-04/SO: An 8-Bit CMOS Microcontroller with Integrated EEPROM

The Microchip PIC16C62B-04/SO stands as a significant component in the landscape of embedded control systems. This robust 8-bit microcontroller, housed in a compact SOIC (SO) package, combines a powerful CMOS architecture with the distinct advantage of on-chip EEPROM data memory, making it a historically important and versatile solution for a wide array of applications.

At its core, the device leverages Microchip’s proven RISC-based CPU architecture, which features a reduced instruction set of just 35 single-word instructions. This design promotes efficient and streamlined code execution, enabling developers to write compact and fast-running firmware. The "04" in its part number denotes its capability to operate at a maximum clock frequency of 4 MHz, providing a solid balance between processing speed and power consumption for many control-oriented tasks.

A key differentiator for the PIC16C62B is its integrated Electrically Erasable Programmable Read-Only Memory (EEPROM). Unlike standard microcontrollers that only include RAM and program memory (ROM), this on-chip EEPROM provides a non-volatile memory space that can be rewritten electrically during normal operation. This is crucial for storing critical data that must be retained after power is removed, such as calibration constants, user settings, or event counters, without requiring an external memory chip. This integration simplifies board design, reduces component count, and enhances overall system reliability.

The peripheral set of the PIC16C62B-04/SO is tailored for embedded control. It includes two 8-bit timer/counters and one 16-bit timer/counter for precise timing operations. A key feature is its capture/compare/PWM (CCP) module, which is essential for applications like controlling motor speeds or measuring digital signals. Furthermore, it is equipped with a universal synchronous-asynchronous receiver-transmitter (USART) for serial communication (UART/SPI/I2C), enabling easy interfacing with PCs, sensors, and other peripherals. With 13 I/O pins, it offers sufficient connectivity for numerous applications.

Typical applications that benefit from its feature set include automotive systems, industrial control, consumer electronics, and smart sensors. Its ability to reliably store data in EEPROM makes it ideal for products requiring parameter configuration or data logging.

ICGOODFIND: The Microchip PIC16C62B-04/SO is a highly integrated and capable 8-bit microcontroller. Its combination of a high-performance RISC CPU, integrated EEPROM for non-volatile data storage, and a rich set of peripherals packaged in a space-saving SOIC form factor made it a cornerstone for countless embedded designs, emphasizing reliability and functionality.

Keywords:

1. EEPROM

2. CMOS

3. RISC

4. Microcontroller

5. Embedded Control