PIC16F628A Microcontroller – Embedded Processors and Controllers

Microchip PIC16F628A Microcontroller

Overview of PIC16F628A Microcontroller

The PIC16F628A devices are 8-bit flash-based microcontrollers with advantages of low-cost, high-performance, CMOS, fullystatic.

All PIC® microcontrollers employ an advanced RISC architecture. The PIC16F628A have enhanced core features, an eight-level deep stack, and multiple internal and external interrupt sources. The separate instruction and data buses of the Harvard architecture allow a 14-bit wide instruction word with the separate 8-bit wide data.

Package Options: 18-Lead PDIP or SOIC
Package Options: 18-Lead PDIP or SOIC

Features and Capabilities

  • Interrupt capability
  • 8-level deep hardware stack
  • Direct, Indirect and Relative Addressing modes
  • 35 single-word instructions
  • All instructions single cycle except branches
  • Internal and external oscillator options
  • Power-saving Sleep mode
  • Programmable weak pull-ups on PORTB
  • Multiplexed Master Clear/Input-pin
  • Watchdog Timer with independent oscillator
  • Low-voltage programming
  • In-Circuit Serial Programming™ (via two pins)
  • Programmable code protection
  • Brown-out Reset
  • Power-on Reset
  • Power-up Timer and Oscillator Start-up Timer
  • Industrial and extended temperature range
  • High current sink/source for direct LED drive
  • Low-power internal oscillator
  • External Oscillator support for crystals and resonators

Analog comparator module with:

  • Two analog comparators
  • Programmable on-chip voltage reference (VREF) module
  • Selectable internal or external reference
  • Comparator outputs are externally accessible
    Addressable Universal Synchronous/Asynchronous Receiver/Transmitter USART/SCI

High-Endurance Flash/EEPROM cell:

  • 100,000 write Flash endurance
  • 1,000,000 write EEPROM endurance
  • 40 year data retention

Technical Parameters

Technical ParametersValues
Flash Memory (KB)3.5 KB
RAM (bytes)224 x 8
EEPROM (bytes)128 x 8
Operating Voltage2.0-5.5V
Operating Speed20 MHz
Capture/Compare module16-bit
PWM module10-bit
Temp. Range-40 to +125℃
Oscillator4 MHz and 48 kHz
Timer2 x 8-bit - 1 x 16-bit
Standby Current100 nA @ 2.0V, typical
Operating Current12 μA @ 32 kHz, 2.0V, typical
120 μA @ 1 MHz, 2.0V, typical
Watchdog Timer Current1 μA @ 2.0V, typical
Timer1 Oscillator Current1.2 μA @ 32 kHz, 2.0V, typical
I/O pins18
Comparators count2
Wake-up time (from Sleep)4 μs, 3.0V, typical
Dual-speed Internal OscillatorRun-time selectable between 4 MHz and 48 kHz
Package Types18-Lead PDIP, 18-Lead SOIC
PIC16F628A Pinout: 18-Lead PDIP
PIC16F628A Pinout: 18-Lead PDIP

Application

The PIC16F628A series fits in applications ranging from battery chargers to low power remote sensors. The small footprint packages makes this microcontroller series ideal for all applications with space limitations.

About Well Done

Well Done Technology was established in 2008, focus on PCB reverse engineering, PCB assembly, PCB design and manufacturing. Our technical team of more than 20 people includes senior engineers with rich experience.

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