Description
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.
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 Drivers
for Lower EMI (MAX7221)
● SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
● 24-Pin DIP and SO Packages
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