MAX7221, MAX Datasheet - Maxim

MAX7221 - Serially Interfaced / 8-Digit LED Display Drivers

The MAX7219/MAX7221 are compact, serial input/ output common-cathode display drivers that interface microprocessors (μPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and d.

MAX7221 Features

* 10MHz Serial Interface

* Individual LED Segment Control

* Decode/No-Decode Digit Selection

* 150μA Low-Power Shutdown (Data Retained)

* Digital and Analog Brightness Control

* Display Blanked on Power-Up

* Drive Common-Cathode LED Display

* Slew-Rate Limited Segment

MAX-7219.pdf