MAX7219 Integrated Display Driver
An integrated display driver with serial input/output for LED displays.
- Module operating voltage: 5V
- Module size: 5 cm x 3.2 cm x 1.5 cm
- Includes: Four screws hole (aperture 3mm)
- Input/Output Interface: Yes, supports cascading
Top Features:
- 8x8 common cathode lattice support
- Single module operation
- Supports cascading
- Input/output interface included
The MAX7219 is an integrated serial input/output common-cathode display driver that can be connected to a microprocessor with an 8-digit 7-segment digital LED display. It can also be connected to a bar graph display or 64 separate LEDs. The device includes an on-chip BCD encoder, multi-channel scanning loop word drive, and an 8x8 static RAM for data storage.
With a convenient four-wire serial interface, the MAX7219 can connect to any general-purpose microprocessor. Each data can be individually addressed for updates without the need to rewrite the entire display. The device also allows users to select coding or non-coding for each data.
The MAX7219 features a low-power shutdown mode, analog and digital brightness control, a scan-limit register for displaying 1-8 bits of data, and an LED light detection mode. With only three IO ports, it can drive a dot-matrix display with flicker-free performance. The module supports cascading with multiple modules.
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