In SX Microcontrollers, SX/B Compiler and SX-Key Tool, G-R-C wrote:

Hello All
Reading and working through Gunther Daubach's book "Programming the SX Microcontroller".

As I run the code examples in his book my SX Key stops working from time to time and displays 

the message "Transmit Stall on Comm 1".  

 

I've tried different cables, checked my connections and checked the FIFO buffers.  Still the 

message pops up.  Sometimes after the transmit stall alarm I recieve "SX Key Not Found On Comm 1"

message.

 

Even at times, running in Debug mode, the Debug screen just stops with out giving message/error

for no appearent reason.

 

Any thoughts, ideas, or suggestions?

P.S. Gunther's book is excellent for learning assembly.

 

Thanks in advance 

Gordon

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