EE2361 - Lab5 - I2C LCD - Procedure.pdf - Laboratory#5 I2C...

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Laboratory #5 I2C - Interfacing with a Display Summary In this lab you will connect your PIC to an LCD and display the message “Hello World!”. You will then implement a software library (API) to setup and communicate with your Serial LCD display quickly and easily. If all goes well the result will be a very similar interface to the Grove LCD available in EE1301 Group Kit . Purpose Serial interfaces are very common in industry today. They allow for low pin count communication between integrated circuits (ICs), like the PIC24 and an LCD. Without a serial interface, LCDs typical require 10+ pins to operate. In this lab you will develop the code to utilize the serial interface called “IIC”, “I 2 C”, “I2C”, or Inter-IC communication serial interface (from now on referred to as I2C). Supplemental Resources This lab is structured such that you have most, but not all of the information you need available in the Lab 5 background material . There are considerably more external resources and specifications to read for this lab. It is highly encouraged for you to complete the reading assignments, as this will be the last lab to provide you with exact guidance on what to read and where it is located. Critical Resources Introduction to I2C - External website - Lab 5 - I2C LCD - Background Required Microchip and Supplier Resources PIC24 Family Reference Manual - Section 24. Inter-Integrated Circuit (I2C™) PIC24FJ64GAxxx Family Datasheet - Inter-Integrated Circuit (I 2 C™) - Section 16 Page 1
EE 2361 - Lab # 5 ECE Department AQM0802A-RN-GBW - LCD display+chip datasheet - ST7032 - Controller chip datasheet - I2C small LCD - Breakout board schematic (this is 5V variant, lab kit has 3.3V variant) - Additional Resources (informational) Official Specification for I2C by NXP - I2C Tutorial on which this lab is based - I2C small LCD - Manufacturer website - Pre-Lab “Procedure” As you transition from walk-through heavy labs (1,2,3) into the moderate difficulty labs (4,5) and

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