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third_party
/
github
/
zephyrproject-rtos
/
zephyr
/
846fdd833055f906a4910fe2ac8a466c3db98901
/
.
/
tests
/
drivers
/
uart
/
uart_async_api
/
boards
/
atsamd21_xpro.overlay
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/* SPDX-License-Identifier: Apache-2.0 */
dut
:
&
sercom1
{
/* Internally loop-back TX and RX on PAD0 */
rxpo
=
<
0
>;
txpo
=
<
0
>;
/* Configure DMA channels for async operation */
dmas
=
<&
dmac
0
3
>,
<&
dmac
1
4
>;
dma
-
names
=
"rx"
,
"tx"
;
};