MCU 8-bit PIC16 PIC RISC 3.5KB Flash 3.3V/5V 18-Pin PDIP Tube The PIC16F628 is an 8-bit CMOS FLASH-based mid-range microcontroller with an 18-pin package, 16 of which can be utilized as I/O pins. This article is going to explain where and how to use the PIC16F628 8-Bit CMOS microcontroller in a project.
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Apr 13, 2022
Maud Onions
PIC16F628 Microcontroller Basic Programming & Debugging in Assembly MPLAB IDE
MCU 8-bit PIC16 PIC RISC 3.5KB Flash 3.3V/5V 18-Pin PDIP Tube
The PIC16F628 is an 8-bit CMOS FLASH-based mid-range microcontroller with an 18-pin package, 16 of which can be utilized as I/O pins. This article is going to explain where and how to use the PIC16F628 8-Bit CMOS microcontroller in a project. Let’s make a discussion!
PIC16F628-20E/P
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.9866 | $3.99 |
| 10+ | $3.76094 | $37.61 |
| 100+ | $3.54806 | $354.81 |
| 500+ | $3.34722 | $1673.61 |
| 1000+ | $3.15776 | $3157.76 |
The PIC16F628 is an 8-bit CMOS microcontroller with 18 pins and flash memory. A sophisticated RISC architecture is used in this gadget. The PIC16F628 has a more powerful core, an eight-level deep stack, and various interrupt sources, both internal and external.
This PIC16F628 microcontroller is equipped with a 4 MHz internal oscillator, 128 bytes of EEPROM data memory, a single Capture/Compare/PWM, and a USART module with two comparators. This microcontroller unit supports low-voltage programming.
PIC16F628 Pinout
| Pin Number | Pin Name | Description |
| 1 | RA2/AN2/V REF | Bidirectional I/O pin of port A bit 2 or Analog comparator input channel 2 or Analog Voltage Reference output |
| 2 | RA3/AN3/CMP1 | Bidirectional I/O port or Analog comparator input or Comparator 1 output. |
| 3 | RA4/T0CKI/CMP2 | Bidirectional I/O pin of port A bit 4 or timer 0 clock input or comparator channel 2 output. |
| 4 | RA5/MCLR/ VPP | Input port or Master clear or Programming voltage input. When configured as MCLR, this pin is an active-low Reset to the device, mainly used for Programming or Port A bit 5 Pin. |
| 5 | VSS | Power Ground pin. |
| 6 | RB0/INT | Bidirectional I/O pin of port B bit 0 or External interrupt pin. |
| 7 | RB1/RX/DT | Bidirectional I/O pin of port B bit 1 or USART Recieve pin or synchronous data I/O. |
| 8 | RB2/TX/CK | Bidirectional I/O pin of port B bit 2 or USART Transmit pin or synchronous clock I/O. |
| 9 | RB3/CCP1 | Bidirectional I/O pin of port B bit 3 or Capture compares PWM I/O. |
| 10 | RB4/PGM | Bidirectional I/O pin of port B bit 4 or Low voltage Programming pin. |
| 11 | RB5 | Bidirectional I/O pin of port B bit 5. |
| 12 | RB6/T1OSC/T1CKI/PGC | Bidirectional I/O pin of port B bit 6 or Timer1 Oscillator output or Timer1 Clock input or ICSP Programming clock mainly used for Programming purposes. |
| 13 | RB7/T1OSI/PGD | Bidirectional I/O pin of port B bit 7 or Timer1 Oscillator input or ICSP Programming data is mainly used for Programming purposes. |
| 14 | VDD | Positive Power Pin. |
| 15 | RA6/OSC2/CLKOUT | Bidirectional I/O pin of port A bit 6 or Oscillator crystal output or Clock out in RC/INTOSC |
| 16 | RA7/OSC1/CLKIN | Bidirectional I/O pin of port A bit 7 or Oscillator crystal input or External Clock input |
| 17 | RA0/AN0 | Bidirectional I/O pin of port A bit 0 or Analog comparator input channel 0. |
| 18 | RA1/AN1 | Bidirectional I/O pin of port A bit 1 or Analog comparator input channel 1 |
PIC16F628 Symbol
PIC16F628 Footprint
PIC16F628 3D Model
Microchip Technology PIC16F628-20E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology PIC16F628-20E/P.
Microchip Technology PIC16F628-20E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology PIC16F628-20E/P.
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 18 Weeks | |
| Mounting Type | Through Hole | |
| Package / Case | 18-DIP (0.300, 7.62mm) | |
| Surface Mount | NO | |
| Number of Pins | 18Pins | |
| Number of I/Os | 16I/Os | |
| ROM(word) | 2048 | |
| Watchdog Timers | Yes | |
| Operating Temperature | -40°C~125°C TA | |
| Packaging | Tube | |
| Series | PIC® 16F | |
| Published | 2003 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | Not Applicable | |
| Number of Terminations | 18Terminations | |
| ECCN Code | EAR99 | |
| Terminal Finish | Matte Tin (Sn) |
| Product Attribute | Attribute Value | |
|---|---|---|
| Max Power Dissipation | 800mW | |
| Terminal Position | DUAL | |
| Supply Voltage | 5V | |
| Terminal Pitch | 2.54mm | |
| Frequency | 20MHz | |
| Base Part Number | PIC16F628 | |
| Pin Count | 18 | |
| Supply Voltage-Max (Vsup) | 5.5V | |
| Supply Voltage-Min (Vsup) | 4.5V | |
| Interface | SCI, UART, USART | |
| Memory Size | 3.5kB | |
| Oscillator Type | Internal | |
| RAM Size | 224 x 8 | |
| Voltage - Supply (Vcc/Vdd) | 3V~5.5V | |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | |
| Core Processor | PIC | |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | |
| Program Memory Type | FLASH | |
| Core Size | 8-Bit |
| Product Attribute | Attribute Value | |
|---|---|---|
| Program Memory Size | 3.5KB 2K x 14 | |
| Connectivity | UART/USART | |
| Supply Current-Max | 7mA | |
| Bit Size | 8 | |
| Access Time | 20 μs | |
| Has ADC | NO | |
| DMA Channels | NO | |
| Data Bus Width | 8b | |
| PWM Channels | YES | |
| DAC Channels | NO | |
| Number of Timers/Counters | 3Timers/Counters | |
| EEPROM Size | 128 x 8 | |
| On Chip Program ROM Width | 14 | |
| CPU Family | PIC | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
PIC16F628 Block Diagram
Data Memory
ICD
Low voltage programming
Low-speed Clock mode
Programmable BOR
4MHz internal oscillator
Programmable VREF
128 bytes of EEPROM
Interrupt Capability
8 level deep hardware stack
Direct, indirect, and relative addressing modes
Internal and external oscillator options
Control Applications
Analog data Processing
Input-Output operations
Sensors integration and data logging
Small scale, low cost embedded application based production
Dual speed internal oscillator
Run-time selectable between 4MHz and 48kHz
4µs wake-up from Sleep, 3.0V, typ.
16 I/O pins with individual direction control
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Components Required:
Two Zener diodes at 5.1V (low Watt).
One 10KΩ resistor (1/4 Watt).
Two 4.7KΩ resistors (1/4 Watt).
One 100μF electrolytic capacitor (16 Volts).
One 100nF capacitor
One 7805 voltage regulator (you don’t need any cooler).
One 1N4001 common diode.
One resistor of 270 Ohms (1/4 Watt).
One common green LED.
An 18 pin DIP socket (for the PIC16F84 type of micros).
A female 9 pin DSUB connector (for PCB).
Male pin header (5 pins. If you have one with more pins, just cut it).
One power jack.
A small piece of a Veroboard.
Wire for connections.
Solder and soldering iron.
Circuit Explanation
PIC16F628 Package Outlines
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.
Download datasheets and manufacturer documentation for Microchip Technology PIC16F628-20E/P.
Download datasheets and manufacturer documentation for PIC16F628-20E/P
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