Lpc2000

Soentgerath, Guido wrote:

>Hello all,
>can someone give me an explanation for RTCK  or  a hint where I can find
>some more infos about this signal ?
>Thanks in advance!
>  
>
RTCK is an optional JTAG signal.  According to the Abatron BDI2000 manual:

"Adaptive clocking is a feature which ensures that the BDI2000 never 
loses synchronization wih the target device, whatever the target clock 
speed is.  To achive this, BDI2000 uses two signals TCK and RTCK.  When 
adaptive clocking is selected, BDI2000 issues a TCK signal and waits for 
the Returned TCK (RTCK) to come back. BDI2000 does not progress to the 
next TCK until RTCK is received."


TomW

-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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