Microchip brand identity is a valuable asset protected by trademark law. Microchip aims to protect this asset by ensuring that its trademarks are used properly by Microchip, its customers, licensees, distributors, vendors, consultants, developers and others. You may use Microchip trademarks and product names to refer to Microchip products and services as long as you follow these Guidelines.
Properly identify Microchip trademarks, including the trademark symbol (with ®, ™ or SM ) and the trademark’s descriptor, to accurately refer to Microchip products and services. For example:
dsPIC® digital signal controller
KEELOQ® technology
MPLAB® integrated development environment
PIC® microcontroller
PowerMate™ software
Use trademarks as adjectives followed by appropriate descriptors (nouns):
Right:
Use a PIC® microcontroller in your next design.
Wrong:
Use a PIC in your next design.
Do NOT use trademarks in the possessive form.
Right:
Compare the features of PIC® microcontrollers to other microcontrollers.
Wrong:
Compare PIC’s features to other microcontrollers.
Do NOT use trademarks in the plural form.
Right:
Compare all PIC® microcontrollers to other microcontrollers.
Wrong:
Compare all PICs to other microcontrollers.
Do NOT use our trademarks in the title of your website or any part of your domain name.
Wrong:
www.pic.com
www.mypic.com
www.pic1.com
Do NOT use Microchip trademarks or logos (or similar marks) in your own product names, service names, trademarks, logos or company names. Instead, you may refer to Microchip products and services to indicate your product’s compatibility with a specific Microchip product or service.
Right:
[Your Product Name]for use with PIC® microcontrollers.
[Your Product Name]runs on PIC® microcontrollers.
[Your Company] is experienced in designing hardware that works with PIC® microcontrollers.
Wrong:
Your Product Name: “MyPIC”
Your Product Name: “YesPIC”
Your Product Name: “PICky”


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Re: I2C LCD 16x2 Pic16f628 Code
There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
richard - 4th January 2026, 03:48there are at least two differently wired versions also.
there...