VULCAN Technical Manual
Connectors, LEDs and jumpers
© 2007 Eurotech Ltd Issue D
46
J7 – COMS ports and JTAG connector
, 40-way, 2.54mm (0.1") x 2.54mm (0.1") dual row IDC boxed
header.
Pin
Signal name
Pin
Signal name
1 +3V3
2 JTG_TRST#
3 JTG_TDO
4 JTG_TDI
5 RX3/TX3+
6 RX3/TX3-
7 RX3+
8 RX3-
9 GND
10 GND
11 N/C
12 N/C
13 RXD1
14 RTS1
15 TXD1
16 CTS1
17 GND
18 GND
19 GND
20 JTG_SRST#
21 DCD2
22 DSR2
23 RXD2
24 RTS2
25 TXD2
26 CTS2
27 DTR2
28 RI2
29 GND
30 JTG_TMS
31 N/C
32 N/C
33 RXD0
34 RTS0
35 TXD0
36 CTS0
37 N/C
38 N/C
39 GND
40 JTG_TCK
As viewed
from the
connector
pins.