Velleman 4-Digit Display Datasheet-2

LED Drive Control Special Circuit TM1637
6
©Titan Micro Electronics www.titanmec.com
V2.4
Program flow chart
1、Flow chart of program using address auto increment 1 mode
Initialization
Start
Send memory write command
Set the initial address
Transfer multiple words
continuously
Send display control
command
Send read key command
Read key command and store into the
MCU register
Is a key
pressed down?
Key processing
program
End
YES
NO