667
/
838
Nations Technologies Inc.
Tel
：
+86-755-86309900
：
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
Bit field
Name
Description
the parity bit.
23.7.4
USART Baud rate register (USART_BRCF)
Address offset : 0x08
Reset value : 0x0000 0000
Note: When USART_CTRL1.UEN=1, this register cannot be written;The baud counter stops counting if USART_CTRL1.TXEN or
USART_CTRL1.RXEN are disabled respectively.
Bit field
Name
Description
31:16
Reserved
Reserved, the reset value must be maintained
15:4
DIV_Integer[11:0]
Integer part of baud rate divider.
3:0
DIV_Decimal[3:0]
Fractional part of baud rate divider.
23.7.5
USART control register 1 register (USART_CTRL1)
Address offset : 0x0C
Reset value : 0x0000 0000
Bit field
Name
Description
31:14
Reserved
Reserved, the reset value must be maintained
13
UEN
USART enable
When this bit is cleared, the divider and output of USART stop working after the current
byte transmission is completed to reduce power consumption. Software can set or clear
this bit.
0:USART is disabled.
