CC2430-RTR1-F32 datasheet(150/234 Pages) TI

150 / 234 page

CC2430

CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A

Page 150 of 232

interrupt

enables

and

flags

are

summarized below.

Interrupt enables:

•

USART0 RX : IEN0.URX0IE

•

USART1 RX : IEN0.URX1IE

•

USART0 TX : IEN2.UTX0IE

•

USART1 TX : IEN2.UTX1IE

Interrupt flags:

•

USART0 RX : TCON.URX0IF

•

USART1 RX : TCON.URX1IF

•

USART0 TX : IRCON2.UTX0IF

•

USART1 TX : IRCON2.UTX1IF

13.13.7 USART DMA Triggers

There are two DMA triggers associated

with each USART. The DMA triggers are

activated by RX complete and TX

complete events i.e. the same events as

the USART interrupt requests. A DMA

channel can be configured using a USART

Receive/transmit

buffer,

UxDBUF,

source or destination address.

Refer to Table 37 on page 92 for an

overview of the DMA triggers.

13.13.8 USART Registers

The registers for the USART are described

in this section. For each USART there are

five registers consisting of the following (x

refers to USART number i.e. 0 or 1):

•

UxCSR USART x Control and Status

•

UxUCR USART x UART Control

•

UxGCR USART x Generic Control

•

UxDBUF USART x Receive/Transmit

data buffer

•

UxBAUD USART x Baud Rate Control

CC2430-RTR1-F32 데이터시트(PDF) 150 Page - Texas Instruments

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