Analog Devices ADSP-BF526 EZ-Board Manual page 47

running at the VDDEXT voltage of 1.8V, requiring a voltage translator
( ) to translate the 1.8V processor signals to the UART 3.3V line
U32
transceiver.
The interface is disconnected from the ADM1385 transceiver by
UART1
ensuring that no jumper is installed on
shut down by placing a jumper on
by the inverted
place a jumper on the
and 2 of disables the voltage translator, disconnecting the ADM1385
JP3
device from the
shut down the transceiver. For more information on power saving capabil-
ities of the EZ-Board, see
"UART SD Jumper (JP14)" on page
allows the flow control signals to be looped back. See
SW14
Switch (SW14)" on page 2-15
When using
UART1
jumper and should be installed only when running the POST program. If
signals and
RTS
can be configured as a general-purpose I/O (GPIO) pin for
PF10
port pin
HWAIT
see "UART Loopback Jumper (JP2)" on page 2-20
Jumper (JP3)" on page 2-20
and
UART0 UART1
and . For more information, see "Expansion Interface II Connectors
P2 P4
(P2 and P4)" on page 2-33.
Example programs are included in the EZ-Board installation directory to
demonstrate UART and RS-232 operations.

On the processor,
quently, do not use
disable the UART line drive, ensure that
ADSP-BF526 EZ-Board Evaluation System Manual
signal,
WAKEUP_OUT
positions 1 and 2. A jumper on positions 1
JP3
interface of the processor. This
UART1
"UART Enable Jumper (JP3)" on page 2-20
for more information.
, do not install jumper
are needed for flow control, the
CTS
can be used for
PG0
for more information.
are connected to the expansion interface II at connectors
shares pins with the PPI interface; conse-
UART1
at the same time as the PPI interface. To
UART1
Using The ADSP-BF526 EZ-Board
. The ADM1385 transceiver is
JP3
. The interface is controlled
JP14 UART1
. To set up
WAKEUP_OUT
2-23.
. is a UART loopback
JP2 JP2
UART1RTS
by setting up the pin accordingly;
CTS
and
has no jumpers on.
JP3
,
WAKEUP_OUT
setting does not
JP3
and
"UART Setup
port pin
. The
RTS
"UART Enable
1-25