1.. _nrf54l20pdk_nrf54l20:
2
3nRF54L20 PDK
4############
5
6Overview
7********
8
9.. note::
10
11   All software for the nRF54L20 SoC is experimental and hardware availability
12   is restricted to the participants in the limited sampling program.
13
14The nRF54L20 Preview Development Kit hardware provides
15support for the Nordic Semiconductor nRF54L20 Arm Cortex-M33 CPU and
16the following devices:
17
18* CLOCK
19* RRAM
20* :abbr:`GPIO (General Purpose Input Output)`
21* :abbr:`GRTC (Global real-time counter)`
22* :abbr:`NVIC (Nested Vectored Interrupt Controller)`
23* :abbr:`UARTE (Universal asynchronous receiver-transmitter)`
24
25Hardware
26********
27
28nRF54L20 PDK has two crystal oscillators:
29
30* High-frequency 32 MHz crystal oscillator (HFXO)
31* Low-frequency 32.768 kHz crystal oscillator (LFXO)
32
33The crystal oscillators can be configured to use either
34internal or external capacitors.
35
36Supported Features
37==================
38
39The ``nrf54l20pdk/nrf54l20/cpuapp`` board target configuration supports the following
40hardware features:
41
42+-----------+------------+----------------------+
43| Interface | Controller | Driver/Component     |
44+===========+============+======================+
45| CLOCK     | on-chip    | clock_control        |
46+-----------+------------+----------------------+
47| RRAM      | on-chip    | flash                |
48+-----------+------------+----------------------+
49| GPIO      | on-chip    | gpio                 |
50+-----------+------------+----------------------+
51| GRTC      | on-chip    | system clock         |
52+-----------+------------+----------------------+
53| NVIC      | on-chip    | arch/arm             |
54+-----------+------------+----------------------+
55| UARTE     | on-chip    | serial               |
56+-----------+------------+----------------------+
57
58Other hardware features have not been enabled yet for this board.
59
60Programming and Debugging
61*************************
62
63Applications for the ``nrf54l20pdk/nrf54l20/cpuapp`` board target can be
64built, flashed, and debugged in the usual way. See
65:ref:`build_an_application` and :ref:`application_run` for more details on
66building and running.
67
68Flashing
69========
70
71As an example, this section shows how to build and flash the :zephyr:code-sample:`hello_world`
72application.
73
74Follow the instructions in the :ref:`nordic_segger` page to install
75and configure all the necessary software. Further information can be
76found in :ref:`nordic_segger_flashing`.
77
78To build and program the sample to the nRF54L20 PDK, complete the following steps:
79
80First, connect the nRF54L20 PDK to you computer using the IMCU USB port on the PDK.
81Next, build the sample by running the following command:
82
83.. zephyr-app-commands::
84   :zephyr-app: samples/hello_world
85   :board: nrf54l20pdk/nrf54l20/cpuapp
86   :goals: build flash
87
88Testing the LEDs and buttons in the nRF54L20 PDK
89************************************************
90
91Test the nRF54L20 PDK with a :zephyr:code-sample:`blinky` sample.
92