MAX7219 - Serially Interfaced, 8-Digit, LED Display Drivers

pinout

1 DIN 24 DOUT 2 DIG.0 23 SEG.D 3 DIG.4 22 SEG.DP 4 GND 21 SEG.E 5 DIG.6 20 SEG.C 6 DIG.2 19 VCC 7 DIG.3 18 ISET 8 DIG.7 17 SEG.G 9 GND 16 SEG.B 10 DIG.5 15 SEG.F 11 DIG.1 14 SEG.A 12 CS 13 CLK MAX7219 www.nanobob.com

symbol

www.nanobob.com 1 DIN 24 DOUT 13 CLK 12 CS 22 SEG.DP 18 ISET 17 SEG.G 15 SEG.F 21 SEG.E 23 SEG.D 20 SEG.C 16 SEG.B 14 SEG.A 8 DIG.7 5 DIG.6 10 DIG.5 3 DIG.4 7 DIG.3 6 DIG.2 11 DIG.1 2 DIG.0

pin types

0 digital input (inverted) 0 digital output (inverted) 0 digital input-output (bidir) 0 analog (input or output) 0 positive power 0 ground 0 negative power