Verbindungen vom db25 PC Parallel Schnittstelle zum Relook400 JTAG Pins (CN4):

Code:
 
 
 
Signal Pin Pin Signal 
 TDO   1   2    N/C 
 TDI   3   4    TRST 
 N/C   5   6    VCCS 
 TCK   7   8    N/C 
 TMS   9   10   N/C 
 HALT  11  12   N/C 
 N/C   13  14   KEY 
 N/C   15  16   GND 
 
 
 
db25        . .         decoder 
2   -->  100 ohms -->  11  ( Halt) 
3   -->  100 ohms -->  9   ( Tms ) 
4   -->  100 ohms -->  7   ( Tck ) 
5   -->  100 ohms -->  3   ( Tdi ) 
11  -->  100 ohms -->  1   ( Tdo ) 
25  ------------------ 16  ( Ground)