Lpc2000

> What possibilities, are there to increase the performance.
> I need to process many instructions at my UART
> interrupt-service-routine. So I get problems at higher Baud rates. 
> I use the 14,745 MHz quartz, and don\ufffdt want to use the PLL (to save
> current); pclk = cclk. 
> I compiled the called functions in thumb mode, and optimized the output
> with level 3. 
> I reached a better performance, but are there other ways to get higher?
Have you enabled MAM?