diff --git a/data/registers/crc_f4.yaml b/data/registers/crc_f4.yaml
new file mode 100644
index 0000000..146d161
--- /dev/null
+++ b/data/registers/crc_f4.yaml
@@ -0,0 +1,45 @@
+block/CRC:
+  description: Cryptographic processor
+  items:
+  - byte_offset: 0
+    description: Data register
+    fieldset: DR
+    name: DR
+  - byte_offset: 4
+    description: Independent Data register
+    fieldset: IDR
+    name: IDR
+  - access: Write
+    byte_offset: 8
+    description: Control register
+    fieldset: CR
+    name: CR
+enum/RESETW:
+  bit_size: 1
+  variants:
+  - description: Resets the CRC calculation unit and sets the data register to 0xFFFF
+      FFFF
+    name: Reset
+    value: 1
+fieldset/CR:
+  description: Control register
+  fields:
+  - bit_offset: 0
+    bit_size: 1
+    description: Control regidter
+    enum_write: RESETW
+    name: RESET
+fieldset/DR:
+  description: Data register
+  fields:
+  - bit_offset: 0
+    bit_size: 32
+    description: Data Register
+    name: DR
+fieldset/IDR:
+  description: Independent Data register
+  fields:
+  - bit_offset: 0
+    bit_size: 8
+    description: Independent Data register
+    name: IDR