UART1- LPC2101

I am doing a project using LPC2101. This is very new for me. So i tried to send one character through UART1. But it is not working. How can i configure External crystal oscillator. Crystal Frequency...
UART1- LPC2101

I am doing a project using LPC2101. This is very new for me. So i tried to send one character through UART1. But it is not working. How can i configure External crystal oscillator. Crystal Frequency...
UART1- LPC2101

I am doing a project using LPC2101. This is very new for me. So i tried to send one character through UART1. But it is not working. How can i configure External crystal oscillator. Crystal Frequency...
UART1- LPC2101

I am doing a project using LPC2101. This is very new for me. So i tried to send one character through UART1. But it is not working. How can i configure External crystal oscillator. Crystal Frequency...
Sometimes LPC2101 I/O doesn't happen

I'm using the LPC2101 and the Keil Ulink2. It seems when I read/write the legacy I/O too frequently, some of the outputs just don't happen. Is there a known I/O problem with this chip? Thanks...