SA8803 Datasheet (Sames) - LIGHT EMITTING DIODE DRIVER

SA8803, LIGHT EMITTING DIODE DRIVER

The block Diagram of the SA8803 is shown in Fig.

A control word is clocked into the device via the DATA pin with a local clock provided to pin CLK.

The control word comprises a 3-bit chip address, a 5-bit LED address and a Status (on/off) bit.

Provided that the Chip Adress matches the setting on

SA8803 Features

* n Drives 24 LED's under control of Serial n 11 Bit Information word controls up to 192 LED's (using eight SA8803s) Interface n Light Emitting Diode intensity n Readback of LED status programmable using a single resistor n Requires a local clock of 8 times the data rate n Automatic lamp test facility