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Chapter 32 USART (LIN / FIFO)
2.USART Configuration
• Specifying a data length
• Selecting a frame data format in mode 1
• Clearing the error flags
• Specifying whether to enable transmission
• Specifying whether to enable reception
• Serial Status Register
This register checks the transmission and reception status and error status, and enables and disables
transmission and reception interrupt requests.
• Extended Status/Control Register
This register provides several LIN functions, direct access to the SIN04 and SOT04 pin and setting for the
USART synchronous clock mode.
• Extended Communication Control Register
The extended communication control register provides bus idle recognition interrupt settings, synchronous
clock settings, and the LIN break generation.
• FIFO Control Register
With the FCR4 register the TX/RX FIFOs can be enabled, the RX interrupt triggerlevel can be set and the
FIFO status register mode can be set.
• FIFO Status Register
With the FSR4 register shows the number of valid RX/TX data in the FIFO buffers.