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+; --COPYRIGHT--,BSD_EX
+;  Copyright (c) 2012, Texas Instruments Incorporated
+;  All rights reserved.
+; 
+;  Redistribution and use in source and binary forms, with or without
+;  modification, are permitted provided that the following conditions
+;  are met:
+; 
+;  *  Redistributions of source code must retain the above copyright
+;     notice, this list of conditions and the following disclaimer.
+; 
+;  *  Redistributions in binary form must reproduce the above copyright
+;     notice, this list of conditions and the following disclaimer in the
+;     documentation and/or other materials provided with the distribution.
+; 
+;  *  Neither the name of Texas Instruments Incorporated nor the names of
+;     its contributors may be used to endorse or promote products derived
+;     from this software without specific prior written permission.
+; 
+;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+;  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+;  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+;  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+;  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+;  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+;  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+;  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+;  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+;  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+;  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+; 
+; ******************************************************************************
+;  
+;                        MSP430 CODE EXAMPLE DISCLAIMER
+; 
+;  MSP430 code examples are self-contained low-level programs that typically
+;  demonstrate a single peripheral function or device feature in a highly
+;  concise manner. For this the code may rely on the device's power-on default
+;  register values and settings such as the clock configuration and care must
+;  be taken when combining code from several examples to avoid potential side
+;  effects. Also see www.ti.com/grace for a GUI- and www.ti.com/msp430ware
+;  for an API functional library-approach to peripheral configuration.
+; 
+; --/COPYRIGHT--
+;*******************************************************************************
+;   MSP430F20xx Demo - Timer_A, PWM TA1-2, Up/Down Mode, 32kHz ACLK
+;
+;   Description: This program generates one PWM output on P1.2 using
+;   Timer_A configured for up/down mode. The value in CCR0, 128, defines
+;   the PWM period/2 and the value in CCR1 the PWM duty cycle.
+;   Using 32kHz ACLK as TACLK, the timer period is 7.8ms with a 75% duty
+;   cycle on P1.2. Normal operating mode is LPM3.
+;   ACLK = TACLK = LFXT1 = 32768Hz, MCLK = default DCO.
+;   //* External watch crystal on XIN XOUT is required for ACLK *//	
+;
+;                MSP430F20xx
+;             -----------------
+;         /|\|              XIN|-
+;          | |                 | 32kHz
+;          --|RST          XOUT|-
+;            |                 |
+;            |         P1.2/TA1|--> CCR1 - 75% PWM
+;
+;   P.Thanigai
+;   Texas Instruments Inc.
+;   May 2007
+;   Built with Code Composer Essentials Version: 2.0
+;*******************************************************************************
+ .cdecls C,LIST,  "msp430.h"
+;-------------------------------------------------------------------------------
+            .def    RESET                   ; Export program entry-point to
+                                            ; make it known to linker.
+
+;------------------------------------------------------------------------------
+            .text                           ; Progam Start
+;------------------------------------------------------------------------------
+RESET       mov.w   #0280h,SP               ; Initialize stackpointer
+StopWDT     mov.w   #WDTPW+WDTHOLD,&WDTCTL  ; Stop WDT
+SetupP1     bis.b   #00Ch,&P1DIR            ; P1.2 and P1.3 output
+            bis.b   #00Ch,&P1SEL            ; P1.2 and P1.3 TA1/2 otions
+SetupC0     mov.w   #128,&CCR0              ; PWM Period/2
+SetupC1     mov.w   #OUTMOD_6,&CCTL1        ; CCR1 toggle/set
+            mov.w   #32,&CCR1               ; CCR1 PWM Duty Cycle	
+SetupTA     mov.w   #TASSEL_1+MC_3,&TACTL   ; ACLK, updown mode
+                                            ;					
+Mainloop    bis.w   #LPM3,SR                ; Enter LPM3
+            nop                             ; Required only for debugger
+                                            ;
+;------------------------------------------------------------------------------
+;           Interrupt Vectors
+;------------------------------------------------------------------------------
+            .sect   ".reset"                ; MSP430 RESET Vector
+            .short  RESET                   ;
+            .end