//******************************************************************************
//  MSP430F21x2 Demo - Timer0_A3, Toggle P1.1/TA0_0, Up Mode, HF XTAL ACLK
//
//  Description: Toggle P1.1 using hardware TA0_0 output. Timer0_A3 is configured
//  for up mode with TA0CCR0 defining period, TA0_0 also output on P1.1. In this
//  example, TA0CCR0 is loaded with 500-1 and TA0_0 will toggle P1.1 at TA0CLK/500.
//  Thus the output frequency on P1.1 will be the TA0CLK/1000. No CPU or
//  software resources required.
//  ACLK = MCLK = TA0CLK = HF XTAL
//  //* HF XTAL REQUIRED AND NOT INSTALLED ON FET *//
//  //* Min Vcc required varies with MCLK frequency - refer to datasheet *//
//  As coded with TA0CLK = ACLK, P1.1 output frequency = HF XTAL/1000
//
//           MSP430F21x2
//         -----------------
//     /|\|              XIN|-
//      | |                 | HF XTAL (3