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12048231 Rev. 00 (Draft)
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4.16. RS232 (SER3) Connector
Reference Designator: J49
1.25mm Pitch Molex PicoBlade wire-to-board header, SMT, straight, 6 circuits
Description
The J49 connector provides SER3 UART of the SMARC module over MAX3232E RS232 transceiver.
Interfaces used
SER3 of the SMARC converted to RS232
Connector drawing and contact-numbering scheme
Figure 25 Connector
– J49
Pinout according to Data Modu Inhouse-Standard DMIS07
J49
Pin
Signal / Function
Pin Type
Signal Description
1
VCC
Power 5.0V(S0)
Power supply for attached device; max. current 200mA
2
GND
GND
Connected to ground potential of the PCB
3
Not Connected
NC
Not connected
4
TXD (RS232)
O (RS232)
Transmit Data
5
Not Connected
NC
Not connected
6
RXD (RS232)
I (RS232)
Receive Data