UART baudate selection in the LPCOPEN

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 18, 2016 by lpcware
Content originally posted in LPCWare by dizgah on Mon May 02 00:30:34 MST 2016
whats differences between 2 below functions?
Chip_Clock_SetUSARTNBaseClockRate((115200 * 16), true);
Chip_UART_SetBaud(LPC_USART1, 115200);

As i know second is for setting baud rate,but i'm in doubt about first,why it must be ratio of 16? for 9.6 Kbps is 115200 must changed to 9600?