UL319 Datasheet - UTC

UL319 SERIAL-INTERFACED 16-DIGIT LED CONTROLLER

The UL319 is a compact LED controller and driver that interface microprocessors to LED displays through a serial 4-wire interface. It drives LED connected in common anode configuration. The UL319 drives up to 128 discrete LEDs in 16 segment/8 digit configuration while functioning from a supply volta.

UL319 Features

* LED driver with 24 outputs (16 segments/8 digits)

* Output pins connected directly to the LEDs

* Key-scanning (8 x 4 matrix)

* 3-wire serial bus interface (CLK, STB, DI/O)

* 8-step dimming circuit to control the overall display brightness

* Inputs with Schmitt trigger give

UL319 Datasheet (286.40 KB)