Скорость 1200 не помогла. При создании тестового проекта, как советовали выше, вообще ничего не получается - не принимает и не передаёт.
Вот код с сайта ti. У них же преддедлитель 3:
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* MSP430 code examples are self-contained low-level programs that typically
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* register values and settings such as the clock configuration and care must
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//******************************************************************************
// MSP430F41x2 Demo - USCI_A0, Ultra-Low Pwr UART 9600 Echo ISR, 32kHz ACLK
//
// Description: Echo a received character, RX ISR used. Normal mode is LPM3,
// USCI_A0 RX interrupt triggers TX Echo.
// ACLK = BRCLK = LFXT1 = 32768, MCLK = SMCLK = DCO~1048k
// Baud rate divider with 32768hz XTAL @9600 = 32768Hz/9600 = 3.41 (0003h 03h)
// //* An external watch crystal is required on XIN XOUT for ACLK *//
//
//
// MSP430F41x2
// -----------------
// /|\| XIN|-
// | | | 32kHz
// --|RST XOUT|-
// | |
// | P6.5/UCA0RXD|------------>
// | | 9600 - 8N1
// | P6.6/UCA0TXD|<------------
//
// P. Thanigai
// Texas Instruments Inc.
// January 2009
// Built with CCE Version: 3.1 and IAR Embedded Workbench Version: 4.11
//******************************************************************************
#include <msp430.h>
int main(void)
{
volatile unsigned int i;
WDTCTL = WDTPW+WDTHOLD; // Stop WDT
FLL_CTL0 |= XCAP11PF; // Configure load caps
do
{
IFG1 &= ~OFIFG; // Clear OSCFault flag
for (i = 0x47FF; i > 0; i--); // Time for flag to set
}
while ((IFG1 & OFIFG)); // OSCFault flag still set?
P6SEL |= BIT5+BIT6; // P6.5,6 = USCI_A0 RXD/TXD
UCA0CTL1 |= UCSSEL_1; // CLK = ACLK
UCA0BR0 = 0x03; // 32k/9600 - 3.41
UCA0BR1 = 0x00; //
UCA0MCTL = 0x06; // Modulation
UCA0CTL1 &= ~UCSWRST; // **Initialize USCI state machine**
IE2 |= UCA0RXIE; // Enable USCI_A0 RX interrupt
_BIS_SR(LPM3_bits + GIE); // Enter LPM0, interrupts enabled
}
// Echo back RXed character, confirm TX buffer is ready first
#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCIA0RX_ISR (void)
{
while(!(IFG2&UCA0TXIFG));
UCA0TXBUF = UCA0RXBUF; // TX -> RXed character
}