Introduction - Sony Ericsson Fixed Cellular Telephone Application Note

EMBEDDED APPLICATIONS FCT

1 Introduction

When combined with the embedded applications scripting
language, interfacing a keypad and LCD to the radio
device can provide a simple man-machine interface
without the need for external host controllers.
This application note details the use the I2C interface for
the LCD screen and the intrinsic functions to control a 5 x
4 keypad matrix.
4
LZT 123 8016 R1A