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,.