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48
SMART-BEE User’s Manual Document Revision v.1.2
3.2.2. List of Headers
The table below lists the function of various headers.
Label
Function
CN12
RS232/RS422/RS485 port (SER0/UART0) with
hardware handshaking
CN13
RS232 port (SER1/UART1)
CN15
CAN Bus Header
CN17
GPIO Header
CN18
I2C (2) and SPI (2) Header
CN11
Mic, In and Speaker Out Audio Header
3.2.3. Header Pin Assignments
The following tables describe the electrical signals available on the
connectors of the SMART-BEE. Each section provides relevant details about
the connector including part numbers, mating connectors, signal
descriptions and references to related chapters.
Pinout Legend
I
Input
O
Output
I/O
Input or output
P
Power
AI Analogue input
AO Analogue output
AIO Analogue Input or analogue output
OD Open Drain Signal
#
Low level active signal