Serial interface, 15 serial interface – Kontron COMe Eval Carrier T10 User Manual
Page 39
COM Express® Eval Type 10
/ Connectors and Features
36
5.15 Serial Interface
The PICMG COM.0 specification revision 2.0 defines two optional 2-pin serial interfaces on COM Express® connector
pins A98/A99 and A101/A102 formerly used for 12V VCC input. Both new interfaces are available directly on optional
pin-header J83 and J84.
J78 and J79 allow both interfaces to be used as 2-pin RS232 interfaces COMA and COMB with Kontron Adapter cable
Please check the documentation of your module if this interface is supported and how to configure.
Pin
J78 (COMA)
J79 (COMB)
J83 (SER0, A98/99)
J84 (SER1, A101/102)
1
n.c.
n.c.
+5V
+5V
2
n.c.
n.c.
SER0_TX
SER1_TX
3
RX0
RX1
SER0_RX
SER1_RX
4
n.c.
n.c.
GND
GND
5
TX0
TX1
-
-
6
n.c.
n.c.
-
-
7
n.c.
n.c.
-
-
8
n.c.
n.c.
-
-
9
GND
GND
-
-
10
+5V
+5V
-
-
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