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A UART (Universal Asynchronous Receiver Transmitter) is a piece of logic that sends and receives data on a serial port.
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LPC1110 confusion about default system clock and uart baud rate
I'm sorry, that was my mistake. After debugging control addresses values I've found PLL is on. After some more research I've found it was turned on in initialization module I've attached to my project …
2
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1
answer
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LPC1110 confusion about default system clock and uart baud rate
And there is some confusion about selecting baud rate for UART.
I suppose it is running at 12MHz after reset. … The LPC111x manual (pdf) says that I should set UARTCLKDIV first (as I understand, it is pre-divisor for UART clock). I set it to 1. …