Uxbr0, usart baud rate control register 0, Uxbr1, usart baud rate control register 1, Uxmctl, usart modulation control register – Texas Instruments MSP430x4xx User Manual
Page 282
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USART Registers: UART Mode
14-25
USART Peripheral Interface, UART Mode
UxBR0, USART Baud Rate Control Register 0
7
6
5
4
3
2
1
0
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
rw
rw
rw
rw
rw
rw
rw
rw
UxBR1, USART Baud Rate Control Register 1
7
6
5
4
3
2
1
0
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
rw
rw
rw
rw
rw
rw
rw
rw
UxBRx
The valid baud-rate control range is 3
≤
UxBR
<
0FFFFh, where UxBR =
{UxBR1+UxBR0}. Unpredictable receive and transmit timing occurs if
UxBR <3.
UxMCTL, USART Modulation Control Register
7
6
5
4
3
2
1
0
m7
m6
m5
m4
m3
m2
m1
m0
rw
rw
rw
rw
rw
rw
rw
rw
UxMCTLx
Bits
7−0
Modulation bits. These bits select the modulation for BRCLK.
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