![]() This is used to clear the 16-byte Tx FIFO.ġ-Clears the 16-byte Tx FIFO and the resets the FIFO pointer. This is used to clear the 16-byte Rx FIFO.ġ-CLears the 16-byte Rx FIFO and the resets the FIFO pointer. ![]() This bit is used to enable/disable the FIFO for the data received/transmitted. If the data is not read before the Queue(FIFO) is filled then the new data will be lost and the OVERRUN error bit will be set. Thus it can store 16-bytes of data received on UART without overwriting. LPC2148 has inbuilt 16byte FIFO for Receiver/Transmitter. Now lets see how to configure the individual registers for UART communication. Most Significant Byte of the UART baud rate generator value. Least Significant Byte of the UART baud rate generator value. The below table shows the registers associated with LPC2148 UART.Ĭontrols the UART frame formatting(Number of Data Bits, Stop bits) ![]() LPC2148 has 2-UARTs numbering 0-3, similarly, the pins are also named as RXD0-RXD1 and TXD0-TXD1.As the LPC2148 pins are multiplexed for multiple functionalities, first they have to be configured as UART pins.īelow table shows the multiplexed UART's pins.
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