APPLICATION NOTE 4184

C-Code Tutorial for Using the SPI Interface on the MAX7456 On-Screen Display

By: David Fry

Abstract: The MAX7456 on-screen display (OSD) generator has an SPI™-compatible control interface. This application note describes the operation of the SPI interface. The article also includes C-code that a microcontroller can use to control the part through a bit-banged SPI interface.