Uart1; Uart2 - Dave Embedded Systems AXEL LITE Hardware Manual

AXEL LITE Hardware Manual
full Modem Control Signals, while UART2, UART3, and UART5 are 4-
wire interfaces. UART4 is a 2-wire interface. Each port can be
programmed separately (also in IrDA mode).
7.6.1

UART1

The following table describes the interface signals:
UART1_CTS
UART1_DCD
UART1_DSR
UART1_DTR
UART1_RI
UART1_RTS
UART1_RX_DATA
UART1_TX_DATA
7.6.2

UART2

The following table describes the interface signals:
UART2_CTS
UART2_RTS
UART2_RX_DATA
UART2_TX_DATA
Pin name Conn.
J2.177
J2.185
J2.193
J2.187
J2.179
Pin name Conn.
J2.195
J2.197
J2.193
J2.191
Function
Pin
Clear to send
J2.39
Data carrier
detected
Data set ready
Data terminal ready
- Ring indicator
Request to send
J2.41
J2.80 Serial/infrared data
J2.51 receive
J2.78 Serial/infrared data
J2.53 transmit
Function
Pin
Clear to send
J2.55
Request to send
J2.59
Serial/infrared data
J2.44 receive
J2.47
Serial/infrared data
J2.42 transmit
J2.49
October, 2016
v. 0.9.5
Note
A GPIO should be used
for this purposes
Notes
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