NXP LPC1113 Uart tie-in to uVision

I am trying to learn to use the uVision IDE from Keil on an Open1114 development board and cannot seem to get the UART simulation. I am using a simple UART program that came with the IDE that prints...
NXP LPC1113 Uart tie-in to uVision

I am trying to learn to use the uVision IDE from Keil on an Open1114 development board and cannot seem to get the UART simulation. I am using a simple UART program that came with the IDE that prints...
Use of all 4 UARTS with LPC2378

I searched this forum for an example that could use all 4 UARTS, without success. So I developed my own. I am posting it here for your edification. This is the SERIAL.C file from the Blinky example that...
Use of all 4 UARTS with LPC2378

I searched this forum for an example that could use all 4 UARTS, without success. So I developed my own. I am posting it here for your edification. This is the SERIAL.C file from the Blinky example that...
why PSTRB signal in APB4 have four bits?

PSTRB signal indicates which byte lanes to update during a write transfer. it shows that the bus contain valid data, when PSTRB[3:0]=1111. why we need bus instead of single bit PSTRB signal?