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README.md

TM1638

AVR ASM Library to drive the TM1638 chip from Titan Micro Electronics.

TM1638 is an IC dedicated to LED (light emitting diode display) drive control and equipped with a keypad scan interface. It integrates MCU digital interface, data latch, LED drive, and keypad scanning circuit.

Features • CMOS technology • 10 segments × 8 bits display • Keypad scanning (8 × 3 bits) • Brightness adjustment circuit (8-level adjustable duty ratio) • Serial interfaces (CLK, STB, DIO) • Oscillation mode: RC oscillation • Built-in power-on reset circuit • Package type: SOP28

This project claims the development of a driver in AVR assembly language.

Under Linux you can checkout the project as follows:

git clone https://github.com/Radulfus/TM1638.git

Assemble:

avra tm1638cc.asm

Upload to the MCU:

avrdude -c usbasp -p m32 -P usb -U flash:w:tm1638cc.hex

In the example above I use an ATMega32 and a USBASP.

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AVR ASM Library to drive TM1638 from Titan Micro Electronics. It's a special circuit for LED control.

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