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Altera Corporation
33
EPXA1 Development Board Hardware Reference Manual
Signals
through
document the device signals for the following
peripherals:
■
UART
■
Expansion headers
■
Configuration/debugging interfaces
UART
shows the DB9 male connector used on the development board.
Figure 12. UART DB9 Male Connector
lists the UART DB9 signals.
Note:
(1)
The EPXA1 development board has two DB9 male connectors.
lists pin-out information for the UARTs on the
development board.
1
2
3
4
5
6
7
8
9
Table 23. DTE UART DB9 Male Connector Signals
Pin
Signal
Description
1
DCD
Data carrier detect
2
RXD
Receive data
3
TXD
Transmit data
4
DTR
Data terminal ready
5
GND
Signal ground
6
DSR
Data set ready
7
RTS
Request to send
8
CTS
Clear to send
9
RI
Ring indicator
Summary of Contents for Excalibur EPXA1
Page 6: ...Notes ...