applications: nrf5340_audio: Added capabilities doc for the controller

Based on CIS/BIS BAP tables. Signed-off-by: Erik Robstad <erik.robstad@nordicsemi.no>
nrfconnect · Aug 21, 2023 · 05dde21 · 05dde21
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diff --git a/doc/nrf/libraries/bin/bt_ll_acs_nrf53/index.rst b/doc/nrf/libraries/bin/bt_ll_acs_nrf53/index.rst
@@ -13,13 +13,18 @@ This controller is compatible with the HCI RPMsg driver provided by the |NCS| Bl
 When the communication between the application and the network core on a device is handled by the HCI RPMsg driver, this link layer controller can be used to handle time critical low level communication and the radio.
 
 .. note::
- The LE Audio controller for nRF5340 associated with this version of the |NCS| comes with the QDID 181316.
+ The LE Audio controller for nRF5340 associated with this version of the |NCS| comes with the QDID ``#181316``.
 
 Configuration
 *************
 
 The controller can be enabled with the :Kconfig:option:`CONFIG_BT_LL_ACS_NRF53` set to ``y``.
 
+The number of Connected Isochronous Streams (CIS) you can use in a Connected Isochronous Group (CIG) and the number of Broadcast Isochronous Streams (BIS) you can use in a Broadcast Isochronous Group (BIG) are dependent on which configurations you use.
+The most relevant configurations are bitrate and number of retransmissions.
+See the `Capabilities for the LE Audio Controller Subsystem for nRF5340`_ document for matrix tables listing the supported CIS in a CIG and the supported BIS in a BIG.
+These matrix tables are based on the Basic Audio Profile (BAP) tables.
+
 The controller has the following methods of configuration:
 
 * Standard Host-Controller Interface (HCI) commands

diff --git a/doc/nrf/links.txt b/doc/nrf/links.txt
@@ -364,6 +364,8 @@
 .. _`Dictionary-based Logging`: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/services/logging/index.html#dictionary-based-logging
 .. _`Run-time Filtering`: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/services/logging/index.html#run-time-filtering
 
+.. _`Capabilities for the LE Audio Controller Subsystem for nRF5340`: https://developer.nordicsemi.com/nRF_Connect_SDK/nrf5340_audio/bt_ll_acs_nrf53/bt_ll_acs_nrf53_capabilities.pdf
+
 .. ### Source: www.nordicsemi.com
 
 .. _`Nordic Semiconductor website`: https://www.nordicsemi.com/