PIC12F635T-I/MF

Product Overview

Category

The PIC12F635T-I/MF belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems for controlling and managing different functions.

Characteristics

• Low power consumption
• High-performance RISC CPU
• Flash program memory
• EEPROM data memory
• I/O ports with individual direction control
• Timers and counters
• Analog-to-digital converter (ADC)
• Serial communication interface (USART/I2C/SPI)
• Brown-out reset (BOR)
• Watchdog timer (WDT)
• Power-on reset (POR)
• In-circuit serial programming (ICSP) capability

Package

The PIC12F635T-I/MF is available in a small form factor package, typically a 20-pin QFN (Quad Flat No-Lead) package.

Essence

The essence of the PIC12F635T-I/MF lies in its ability to provide a compact and versatile microcontroller solution for various applications.

Packaging/Quantity

This microcontroller is usually packaged in reels or tubes, with a typical quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.3V to 5.5V
• CPU Speed: Up to 20 MHz
• Program Memory Size: 1.75 KB
• Data Memory Size: 64 bytes
• I/O Pins: 16
• ADC Resolution: 10-bit
• USART/I2C/SPI: Yes
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC12F635T-I/MF has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage input
2. RA0/AN0 - Analog input or digital I/O
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/MCLR/VPP - Master Clear input or programming voltage input
6. RA4/T0CKI/C1OUT - Timer0 clock input or comparator output
7. VSS - Ground
8. RC0/T1OSO/T1CKI - Timer1 oscillator output or clock input
9. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2 module
10. RC2/CCP1 - CCP1 module
11. RC3/SCL/SDA - I2C bus lines
12. RC4/SDI/SDA - SPI data input or I2C bus line
13. RC5/SDO - SPI data output
14. RC6/TX/CK - USART transmit or synchronous clock
15. RC7/RX/DT - USART receive or asynchronous data
16. OSC1/CLKIN - Oscillator crystal input
17. OSC2/CLKOUT - Oscillator crystal output
18. VDD - Power supply voltage input
19. RB7 - Digital I/O
20. VSS - Ground

Functional Features

The PIC12F635T-I/MF offers several functional features that enhance its usability and performance:

• Low power consumption allows for extended battery life in portable devices.
• High-performance RISC CPU ensures efficient execution of instructions.
• Flash program memory enables easy reprogramming of the microcontroller.
• EEPROM data memory provides non-volatile storage for critical data.
• I/O ports with individual direction control allow flexible interfacing with external components.
• Timers and counters facilitate precise timing and event counting operations.
• The built-in ADC enables analog signal conversion for sensor interfacing.
• Serial communication interfaces (USART/I2C/SPI) support data exchange with other devices.
• Brown-out reset (BOR) ensures reliable operation during power fluctuations.
• Watchdog timer (WDT) helps prevent system lock-ups or crashes.
• Power-on reset (POR) guarantees a clean start-up of the microcontroller.
• In-circuit serial programming (ICSP) capability allows for convenient firmware updates.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable and battery-powered applications.
• Versatile I/O capabilities enable flexible interfacing with external components.
• Extensive range of integrated peripherals simplifies system design and reduces component count.
• In-circuit serial programming capability allows for easy firmware updates without removing the microcontroller from the circuit.

Disadvantages

• Limited program memory size may restrict the complexity of applications that can be implemented.
• The number of I/O pins may be insufficient for certain projects requiring extensive interfacing.

Working Principles

The PIC12F635T-I/MF operates based on the principles of a R