Divisor Latch LSB. Least significant byte of the baud rate divisor value. The full divisor is used to generate a baud rate from the fractional rate divider (DLAB = 1).
| DLLSB | Divisor latch LSB. The USART Divisor Latch LSB Register, along with the DLM register, determines the baud rate of the USART. |
| RESERVED | Reserved |