//******************************************************************************
//??MSP430F20x3?Demo?-?Capacitive?Touch?Sensing?4-Key?Demo
//
//??Description:?This?demo?implements?a?4-key?capacitive?touch?detection.
//??The?LED?indicates?the?key?which?is?pressed?through?four?different?levels?of
//??brightness.?Key#1?->?100%?Key#2?->?75%?Key#3?->?50%?Key#4?->?25%.
//??A?calibration?process?is?implemented?to?accommodate?for?possible?variations
//??in?VLO?frequency.?Normal?operating?mode?is?LPM3.
//
//??ACLK?=?VLO?~?12kHz?MCLK?=?Calibrated?8MHz?/?4?=?2MHz
//??SMCLK?=?Calibrated?8MHz
//
//????????????????MSP430F20x3
//?????????????-----------------
//?????????/|\|??????????????XIN|-
//??????????|?|?????????????????|
//??????????--|RST??????????XOUT|-
//????????????|?????????????????|
//????????????|?????????????P1.0|---->LED
//????????????|?????????????????|?????????????####
//????????????|?????????????P1.2|----+--------####?Sensor#4
//????????????|??????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????14856??2007-08-10?13:56??msp430_Day_4_Key_Demo?ver0-09.c