diff --git a/data/registers/flash_h50.yaml b/data/registers/flash_h50.yaml
index 078c346..683f4ce 100644
--- a/data/registers/flash_h50.yaml
+++ b/data/registers/flash_h50.yaml
@@ -46,6 +46,7 @@ block/FLASH:
   - name: OPTSR_CUR
     description: FLASH option status register
     byte_offset: 80
+    access: Read
     fieldset: OPTSR
   - name: OPTSR_PRG
     description: FLASH option status register
@@ -54,6 +55,7 @@ block/FLASH:
   - name: OPTSR2_CUR
     description: FLASH option status register 2
     byte_offset: 112
+    access: Read
     fieldset: OPTSR2
   - name: OPTSR2_PRG
     description: FLASH option status register 2
@@ -62,6 +64,7 @@ block/FLASH:
   - name: NSBOOTR_CUR
     description: FLASH non-secure unique boot entry register
     byte_offset: 128
+    access: Read
     fieldset: NSBOOTR
   - name: NSBOOTR_PRG
     description: FLASH non-secure unique boot entry address
@@ -70,6 +73,7 @@ block/FLASH:
   - name: OTPBLR_CUR
     description: FLASH non-secure OTP block lock
     byte_offset: 144
+    access: Read
     fieldset: OTPBLR
   - name: OTPBLR_PRG
     description: FLASH non-secure OTP block lock
@@ -82,6 +86,7 @@ block/FLASH:
   - name: WRPSGN1R_CUR
     description: FLASH write sector protection for Bank1
     byte_offset: 232
+    access: Read
     fieldset: WRP
   - name: WRPSGN1R_PRG
     description: FLASH write sector protection for Bank1
@@ -90,6 +95,7 @@ block/FLASH:
   - name: HDP1R_CUR
     description: FLASH HDP Bank1 register
     byte_offset: 248
+    access: Read
     fieldset: HDP1R
   - name: HDP1R_PRG
     description: FLASH HDP Bank1 register
@@ -110,6 +116,7 @@ block/FLASH:
   - name: WRPSGN2R_CUR
     description: FLASH write sector protection for Bank2
     byte_offset: 488
+    access: Read
     fieldset: WRP
   - name: WRPSGN2R_PRG
     description: FLASH write sector protection for Bank2
@@ -118,6 +125,7 @@ block/FLASH:
   - name: HDP2R_CUR
     description: FLASH HDP Bank2 register
     byte_offset: 504
+    access: Read
     fieldset: HDP2R
   - name: HDP2R_PRG
     description: FLASH HDP Bank2 register