Interfacing the HDSP-2xxx LED Alphanumeric Displays with the Intel 8751H Microcontroller

Interfacing the HDSP-21xx/25xx series of products is ideal for applications where displaying eight or more characters of dot matrix information is required. These devices are 8-digit, 5x7 dot matrix, alphanumeric displays. The on-board CMOS IC has the ability to decode 128 ASCII characters (HDSP-211x/25xx) or 128 Katakana characters (HDSP212x), which are permanently stored in ROM. Up to 16 user defined symbols may be stored in on-board ROM, allowing flexibility for displaying additional symbols and icons. Seven brightness levels provide versatility in adjusting the display intensity and power consumption