12048321 Rev. 01 (Draft)
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4.13. UART SER0 Connector
Reference Designator: J47
1.25mm Pitch Molex PicoBlade Wire-to-board header, SMT, straight, 6 circuits
Description
The J47 connector provides SER0 UART inclusive RTS/CTS handshake signals of the SMARC module for internal
device communication.
Interfaces used
SER1 from SMARC module, direct
CMOS 1.8V
signal characteristics
Connector drawing and contact-numbering scheme
Figure 22 Connector
– J47
Pinout according to Data Modul Inhouse-Standard DMIS07
J47
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
CTS#
I (CMOS 1.8V)
Clear to send
4
TXD
O (CMOS 1.8V)
Transmit data
5
RTS#
O (CMOS 1.8V)
Request to send
6
RXD
I (CMOS 1.8V)
Receive Data