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MSP430 USART setup

In the 23x0 family, anytime an rx break is detected, the UART stops receiving bytes until it's reset/unreset. This is described in errata USCI16. Code to reset the UART anytime a break has been detected:

lastStatus = UCA0STAT;
b = UCA0RXBUF;
if (lastStatus & UCBRK) {
// bug in TI hardware: break shuts down UART, so restart it
	UCA0CTL1 |= UCSWRST;
	UCA0CTL1 &= ~UCSWRST;
	}
handleRxByte(b);

See also:


file: /Techref/ti/msp430/usarts.htm, 1KB, , updated: 2008/6/10 11:41, local time: 2018/9/25 04:03, owner: JMN-EFP-786,
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