Uart Interface - Analog Devices ADSP-BF518F EZ-Board Manual

multi-function pins. In the latter case, the port's signals can be used for
the RSI or as push buttons. See
page 2-10 for more information.
The ADC range is controlled by switch
between the 2.5V and 5V input ranges. The max voltage range for a signal
connected to the ADC inputs is 0–5V. Any voltage outside of the range
can damage the EZ-Board.
Switch (SW4)" on page 2-10.
For testing, switches
to the input channels of the ADC. Do not connect the ADC input con-
nectors and have switches
information, see "ADC Loopback Switches (SW22–23)" on page 2-13.

UART Interface

The ADSP-BF518F processor has two built-in universal asynchronous
receiver transmitters (UARTs).
other peripherals on the EZ-Board.
has full RS-232 functionality via the Analog Devices 3.3V
UART0
ADM3202 line driver and receiver (
switch position 4 to ON. This setting enables UART loopback and
SW10
should be installed only when running the POST program.
and
UART0 UART1
For more information, see "Expansion Interface II Connectors (P2 and
P4)" on page 2-24.
Example programs are included in the EZ-Board installation directory to
demonstrate UART and RS-232 operations.
For more information on the UART interface, refer to the ADSP-BF51x
Blackfin Processor Hardware Reference.
ADSP-BF518F EZ-Board Evaluation System Manual
Using the ADSP-BF518F EZ-Board
"SPORT1 Enable Switch (SW4)" on
For more information, see "SPORT1 Enable
connect an audio output signal of the codec
SW22–23
SW22–23 ON
UART0—1
are connected to the expansion interface II connectors.
position 5. The switch selects
SW4
at the same time.
share the processor's pins with
). When using
U21
For more
, do not set
UART0
1-23