Uart 16C550 Problem

Hello to all! I try to use a 16C554 Uart from TI. I can read and write the Scratchpad (Base +0x07). I can write and read the LCR (Base +0x03) especially the LCR Bit7. I set the LCR,7 to 1. I write values...
Uart 16C550 Problem

Hello to all! I try to use a 16C554 Uart from TI. I can read and write the Scratchpad (Base +0x07). I can write and read the LCR (Base +0x03) especially the LCR Bit7. I set the LCR,7 to 1. I write values...
C167CS with UART 16C550

Hello, I'm using a PhyCore HSE with a C167CSL40M and an external UART 16C550. I test my program with monitor, everything is ok. When I load my program with flashtool I have a communication problem...
C167CS with UART 16C550

Hello, I'm using a PhyCore HSE with a C167CSL40M and an external UART 16C550. I test my program with monitor, everything is ok. When I load my program with flashtool I have a communication problem...
MON51 use external 16C550 problem

Dear all , I use W77E58 and external UART 16C550. I configure baudrate to 19200 with 1843200 Xtal in address 0x6000. all operation in W77E58 is ok. But if i change to AT89C52,i operator in debug mode...