diff --git a/ncs/Kconfig b/ncs/Kconfig
index fd87c153..a33999ce 100755
--- a/ncs/Kconfig
+++ b/ncs/Kconfig
@@ -152,4 +152,17 @@ config SUIT_SECDOM_VERSION
     Version of Secdom FW to be logged during its startup.
   default "0.0.1"
 
+config SUIT_ENVELOPE_SYSCTRL
+    bool "Create SUIT files required by sysctrl"
+    help
+        TODO: describe
+    default y # TODO: Find suitable (sic!) condition
+
+config SUIT_ENVELOPE_SYSCTRL_TEMPLATE
+  string "Location of template file for preparing sysctrl yaml envelope"
+  # depends on !HW_REVISION_SOC1
+  help
+      Jinja2 template file used to generate yaml file for sysctrl domain update.
+  default "${ZEPHYR_SUIT_GENERATOR_MODULE_DIR}/ncs/sysctrl_envelope.yaml.jinja2"
+
 endif # SUIT_ENVELOPE
diff --git a/ncs/build.py b/ncs/build.py
index a5c0add2..dc4b4370 100755
--- a/ncs/build.py
+++ b/ncs/build.py
@@ -57,11 +57,13 @@ def render_template(template_location, data):
     return template.render(data)
 
 
-def get_absolute_address(node):
+def get_absolute_address(node, use_offset: bool = True):
     """Get absolute address of passed node."""
     # fixme: hardcoded value for parent node due to bug in DTS
     # return node.parent.parent.regs[0].addr + node.regs[0].addr
-    return 0xE000000 + node.regs[0].addr
+    if use_offset:
+        return 0xE000000 + node.regs[0].addr
+    return node.regs[0].addr
 
 
 parent_parser = ArgumentParser(add_help=False)
diff --git a/ncs/sysctrl_envelope.yaml.jinja2 b/ncs/sysctrl_envelope.yaml.jinja2
new file mode 100644
index 00000000..f347ee86
--- /dev/null
+++ b/ncs/sysctrl_envelope.yaml.jinja2
@@ -0,0 +1,76 @@
+SUIT_Envelope_Tagged:
+  suit-authentication-wrapper:
+    SuitDigest:
+      suit-digest-algorithm-id: cose-alg-sha-256
+  suit-manifest:
+    suit-manifest-version: 1
+    suit-manifest-sequence-number: {{ version }}
+    suit-common:
+      suit-components:
+      # [0], RAM
+      - - MEM
+        - {{ sysctrl['dt'].label2node['cpu'].unit_addr }}
+        - {{ get_absolute_address(sysctrl['dt'].chosen_nodes['zephyr,flash'], use_offset=False) }}
+        - {{ sysctrl['dt'].chosen_nodes['zephyr,flash'].regs[0].size }}
+      # [1], MRAM
+      - - MEM
+        - -1
+        - {{ get_absolute_address(sysctrl['dt'].label2node['sysctrl_mram0'], use_offset=False) }}
+        - {{ sysctrl['dt'].label2node['sysctrl_mram0'].regs[0].size }}
+      # [2], Pseudo-component, used to verify the integrity of te incoming image.
+      # It is used as a target component for all fetch operations that download firmware.
+      - - CAND_IMG
+        - 0
+      suit-shared-sequence:
+      - suit-directive-set-component-index: [0, 1, 2]
+      - suit-directive-override-parameters:
+          suit-parameter-image-digest:
+            suit-digest-algorithm-id: cose-alg-sha-256
+            suit-digest-bytes:
+              file: {{ sysctrl['binary'] }}
+    suit-validate:
+      - suit-directive-set-component-index: 1 # '[MEM, -1, 0x0E080000, 0x20000]', MRAM
+      - suit-directive-override-parameters:
+          suit-parameter-image-size:
+            file: {{ sysctrl['binary'] }}
+      #- suit-condition-image-match: []
+    suit-load:
+      - suit-directive-set-component-index: 1 # '[MEM, -1, 0x0E080000, 0x20000]', MRAM
+      - suit-directive-override-parameters:
+          suit-parameter-image-size:
+            file: {{ sysctrl['binary'] }}
+      - suit-directive-set-component-index: 0 # '[MEM, 12, 0x0E060000, 0x20000]', RAM
+      - suit-directive-override-parameters:
+          suit-parameter-source-component: 1 # '[MEM, -1, 0x0E080000, 0x20000]', MRAM as source
+      - suit-directive-copy: []
+      #- suit-condition-image-match: []
+    suit-invoke:
+      - suit-directive-set-component-index: 0 # '[MEM, 12, 0x0E060000, 0x20000]', RAM
+      - suit-directive-override-parameters:
+          suit-parameter-image-size:
+            file: {{ sysctrl['binary'] }}
+      #- suit-condition-image-match: []
+      - suit-directive-invoke: []
+    suit-payload-fetch:
+      - suit-directive-set-component-index: 2 # 'CAND_IMG/0'
+      - suit-directive-override-parameters:
+           suit-parameter-uri: '#{{ sysctrl['name'] }}'
+      - suit-directive-fetch: []
+      - suit-condition-image-match: []
+    suit-install:
+      - suit-directive-set-component-index: 2 # 'CAND_IMG/0'
+      - suit-directive-override-parameters:
+         suit-parameter-uri: '#{{ sysctrl['name'] }}'
+      - suit-directive-fetch: []
+      - suit-condition-image-match: []
+      - suit-directive-set-component-index: 1 # '[MEM, -1, 0x0E080000, 0x20000]', MRAM
+      - suit-directive-override-parameters:
+          suit-parameter-source-component: 2 # 'CAND_IMG/0' as source
+      - suit-directive-copy: []
+    suit-manifest-component-id:
+    - INSTLD_MFST
+    - RFC4122_UUID:
+        namespace: nordicsemi.com
+        name: nRF54H20_sys
+  suit-integrated-payloads:
+    '#{{ sysctrl['name'] }}': {{ sysctrl['binary'] }}
diff --git a/suit_generator/suit/manifest.py b/suit_generator/suit/manifest.py
index 2bd3413c..6311cacb 100644
--- a/suit_generator/suit/manifest.py
+++ b/suit_generator/suit/manifest.py
@@ -11,6 +11,7 @@
 from os.path import getsize
 
 from suit_generator.suit.types.common import (
+    SuitInt,
     SuitUint,
     SuitKeyValue,
     SuitKeyValueUnnamed,
@@ -268,7 +269,7 @@ class SuitCommand(SuitUnion):
 class SuitComponentIdentifierPart(SuitUnion):
     """Abstract element to define possible sub-elements."""
 
-    _metadata = Metadata(children=[SuitUUID, SuitBchar, cbstr(SuitTstr), cbstr(SuitUint), SuitBstr])
+    _metadata = Metadata(children=[SuitUUID, SuitBchar, cbstr(SuitTstr), cbstr(SuitInt), SuitBstr])
 
 
 class SuitComponentIdentifier(SuitList):