diff --git a/esphome/components/micronova/__init__.py b/esphome/components/micronova/__init__.py
index 52fbae2da..d6ef93cf3 100644
--- a/esphome/components/micronova/__init__.py
+++ b/esphome/components/micronova/__init__.py
@@ -40,21 +40,25 @@ FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
 
 def MICRONOVA_ADDRESS_SCHEMA(
     *,
-    default_memory_location: int,
-    default_memory_address: int,
+    default_memory_location: int | None = None,
+    default_memory_address: int | None = None,
     is_polling_component: bool,
 ):
+    location_key = (
+        cv.Optional(CONF_MEMORY_LOCATION, default=default_memory_location)
+        if default_memory_location is not None
+        else cv.Required(CONF_MEMORY_LOCATION)
+    )
+    address_key = (
+        cv.Optional(CONF_MEMORY_ADDRESS, default=default_memory_address)
+        if default_memory_address is not None
+        else cv.Required(CONF_MEMORY_ADDRESS)
+    )
     schema = cv.Schema(
         {
             cv.GenerateID(CONF_MICRONOVA_ID): cv.use_id(MicroNova),
-            # On write requests the write bit (0x80) is added automatically to the location
-            # Therefore no locations >= 0x80 are allowed
-            cv.Optional(
-                CONF_MEMORY_LOCATION, default=default_memory_location
-            ): cv.hex_int_range(min=0x00, max=0x79),
-            cv.Optional(
-                CONF_MEMORY_ADDRESS, default=default_memory_address
-            ): cv.hex_int_range(min=0x00, max=0xFF),
+            location_key: cv.hex_int_range(min=0x00, max=0x79),
+            address_key: cv.hex_int_range(min=0x00, max=0xFF),
         }
     )
     if is_polling_component:
diff --git a/esphome/components/micronova/button/__init__.py b/esphome/components/micronova/button/__init__.py
index 2eda88744..6adf8d96f 100644
--- a/esphome/components/micronova/button/__init__.py
+++ b/esphome/components/micronova/button/__init__.py
@@ -24,8 +24,6 @@ CONFIG_SCHEMA = cv.Schema(
         )
         .extend(
             MICRONOVA_ADDRESS_SCHEMA(
-                default_memory_location=0x20,
-                default_memory_address=0x7D,
                 is_polling_component=False,
             )
         )
@@ -39,6 +37,6 @@ async def to_code(config):
 
     if custom_button_config := config.get(CONF_CUSTOM_BUTTON):
         bt = await button.new_button(custom_button_config, mv)
-        cg.add(bt.set_memory_location(custom_button_config.get(CONF_MEMORY_LOCATION)))
-        cg.add(bt.set_memory_address(custom_button_config.get(CONF_MEMORY_ADDRESS)))
+        cg.add(bt.set_memory_location(custom_button_config[CONF_MEMORY_LOCATION]))
+        cg.add(bt.set_memory_address(custom_button_config[CONF_MEMORY_ADDRESS]))
         cg.add(bt.set_memory_data(custom_button_config[CONF_MEMORY_DATA]))
diff --git a/esphome/components/micronova/sensor/__init__.py b/esphome/components/micronova/sensor/__init__.py
index 55318a7ff..e53c49aca 100644
--- a/esphome/components/micronova/sensor/__init__.py
+++ b/esphome/components/micronova/sensor/__init__.py
@@ -118,8 +118,6 @@ CONFIG_SCHEMA = cv.Schema(
             MicroNovaSensor,
         ).extend(
             MICRONOVA_ADDRESS_SCHEMA(
-                default_memory_location=0x00,
-                default_memory_address=0x00,
                 is_polling_component=True,
             )
         ),