Kontron SMARC-sA3874i User Manual
Page 39
39
www.kontron.com
User’s Guide
Asynchronous serial ports interface signals are exposed on the ULP-COM sA3874i edge connector as shown below:
ULP-COM sA3874i Edge
Finger
IT CORTEX A8 CPU
Net Name
Notes
Pin #
Pin Name
Pin #
Pin Name
SER0
P129
SER0_TX
AF25
UART4_TXD
SER0_TX
Asynchronous serial port data out
Asynchronous serial port data in
P130
SER0_RX
AG25
UART4_RXD
SER0_RX
P131
SER0_RTS#
Y22
UART4_RTSn
SER0_RTS#
Request to Send handshake line for
SER0
Clear to Send handshake line for
SER0
P132
SER0_CTS#
AH25
UART4_CTSN
SER0_CTS#
SER1
P134
SER1_TX
AG5
UART0_TXD
SER1_TX
Asynchronous serial port data out
P135
SER1_RX
AH5
UART0_RXD
SER1_RX
Asynchronous serial port data in
SER2
P136
SER2_TX
AC25
UART3_TXD
SER2_TX
Asynchronous serial port data out
P137
SER2_RX
AD25
UART3_RXD
SER2_RX
Asynchronous serial port data in
P138
SER2_RTS#
AC24
UART3_RTS#
SER2_RTS#
Request to Send handshake line for
SER2
P139
SER2_CTS#
AA23
UART3_CTS#
SER2_CTS#
Clear to Send handshake line for
SER2
SER3
P140
SER3_TX
U3
UART2_TXD
SER3_TX
Asynchronous serial port data out
P141
SER3_RX
U4
UART2_RXD
SER3_RX
Asynchronous serial port data in