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LCD Screen Information

Table of contents

1. Wiring/Pin Connections
2. Data Sheet

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Wiring/Pin Connections

LCD Pin Number	LCD Pin Abbreviations	LCD Function	PSoC 5LP Pin Number
1	VSS	GND	GND
2	Vdd	3V or +5V	Vdd
3	Vo	Contrast Adjustment	GND
4	RS	H/L Register Select Signal	2.5
5	R/W	H/L Read/Write Signal	2.6
6	E	H → L Enable Signal	2.4
7	DB0	H/L Data Bus Line	n/a
8	DB1	H/L Data Bus Line	n/a
9	DB2	H/L Data Bus Line	n/a
10	DB3	H/L Data Bus Line	n/a
11	DB4	H/L Data Bus Line	2.0
12	DB5	H/L Data Bus Line	2.1
13	DB6	H/L Data Bus Line	2.2
14	DB7	H/L Data Bus Line	2.3
15	A/Vee	+ 4.2V for LED/Negative Voltage Output	Vdd
16	K	Power Supply for B/L (OV)	GND

Data Sheet

DFRobot’s LCD datasheet: https://image.dfrobot.com/image/data/FIT0127/datasheet.pdf