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Table of Contents

Olimex USB OCD H

Pinout

JTAG
 1 VREF      2 VREF
 3 TTRST_N   4 GND
 5 TTDI      6 GND
 7 TTMS      8 GND
 9 TTCK     10 GND
11 TRTCK    12 GND
13 TTDO     14 GND
15 TSRST_N  16 GND
17 NC       18 GND
19 5V       20 GND

Pin 19=5V if VREF=NC
RS232

DB9 plug

1 2 3 4 5
 6 7 8 9
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 NC

Resources

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