PIC12F635
Compact 8-bit PIC microcontrollers with 1.75KB Flash and 64B RAM
Manufacturer： microchip
series introduction
# PIC12F635 Product Series Introduction
## 1. Overview
The PIC12F635 is a member of Microchip Technology's popular PIC (Peripheral Interface Controller) microcontroller family. Renowned for its simplicity, efficiency, and cost - effectiveness, this product series is designed to meet a wide range of embedded control applications. With its compact size and rich set of features, the PIC12F635 offers an ideal solution for developers looking to create small - scale, low - power, and cost - sensitive projects.
## 2. Key Features
### 2.1 CPU and Memory
- **CPU Architecture**: The PIC12F635 is based on a high - performance RISC (Reduced Instruction Set Computing) architecture. This architecture allows for fast execution of instructions, with a single - cycle execution time for most instructions. It operates at a clock speed that can be configured according to the application requirements, enabling a balance between performance and power consumption.
- **Program Memory**: It comes equipped with a certain amount of Flash program memory. This non - volatile memory allows developers to store their application code securely. The Flash memory is also reprogrammable, which means that developers can easily make changes to the code during the development process or for future updates.
- **Data Memory**: The device has a dedicated data memory (RAM) for storing variables and intermediate results during program execution. The sufficient amount of RAM ensures smooth operation of the application, even when dealing with moderately complex algorithms.
### 2.2 I/O Ports
- **General - Purpose I/O**: The PIC12F635 features a set of general - purpose input/output (GPIO) pins. These pins can be configured as either inputs or outputs, providing flexibility in interfacing with external devices. For example, they can be used to read sensor data (when configured as inputs) or to control actuators such as LEDs, relays, or motors (when configured as outputs).
- **Pin Configurability**: The I/O pins can be easily reconfigured through software, allowing developers to adapt the microcontroller's functionality to different application scenarios without the need for hardware changes.
### 2.3 Peripherals
- **Timer/Counter**: It includes one or more timer/counter modules. These timers can be used for a variety of purposes, such as generating time delays, measuring time intervals, or generating periodic signals. For instance, in a simple LED blinking application, the timer can be used to control the blinking frequency.
- **Comparator**: The built - in comparator provides the ability to compare two analog voltages. This feature is useful in applications where analog signal monitoring or threshold detection is required, such as in battery voltage monitoring or temperature sensing applications.
- **PWM (Pulse Width Modulation)**: Some versions of the PIC12F635 support PWM output. PWM is a widely used technique for controlling the power delivered to a load, such as adjusting the brightness of an LED or the speed of a DC motor.
### 2.4 Low - Power Operation
- **Sleep Mode**: The PIC12F635 offers a sleep mode, which significantly reduces the power consumption of the microcontroller when it is not actively performing tasks. In sleep mode, most of the internal circuits are powered down, and the device can be woken up by specific events, such as an external interrupt or a timer expiration. This makes it suitable for battery - powered applications where power efficiency is crucial.
## 3. Development Tools
- **Integrated Development Environments (IDEs)**: Microchip provides a range of IDEs, such as MPLAB X IDE, which is a free and powerful tool for developing applications for the PIC12F635. The IDE offers features like code editing, debugging, and project management, making the development process more
Images for reference
8-VDFN
8-DIP
8-SOIC