serial LCD interface for PIC


Posted on Sep 27, 2012

If you are developing applications for the PIC mcu, and miss debugging tools, or don't have enough I/O pins for a parallel LCD interface in your design, this serial interface can help printing debug messages and/or reduce the pin count. This version uses a Hitachi HD44780 compatible LCD module in 4-bit mode.


serial LCD interface for PIC
Click here to download the full size of the above Circuit.
serial LCD interface for PIC - image 1
Click here to download the full size of the above Image.

My default PIC pins for the interface connection are RB4 (EN), RB5 (CK), RB6 (DA). I choose these pins due to PCB layout simplicity on the 18 pin devices. It is the task of your application to correctly initialize the TRIS bits of the used port pins!




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Tone Control Schematic
Phantom PS for Microphone
AC Lamp dimmer
Dancing LEDs
TB6556FG 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
Speed Control of DC Motor using Microcontroller 8051 withCircuit
200W 136 kHz transmitter
DC supply voltage the more limited indication circuit
One circuit alarm phase
DC bridge amplifier circuit



Top