diff --git a/demos/rt/RT-STM32F407-DISCOVERY-MEMS/mcuconf.h b/demos/rt/RT-STM32F407-DISCOVERY-MEMS/mcuconf.h
index 862ca642b..12772c55a 100644
--- a/demos/rt/RT-STM32F407-DISCOVERY-MEMS/mcuconf.h
+++ b/demos/rt/RT-STM32F407-DISCOVERY-MEMS/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/demos/rt/RT-STM32F407-DISCOVERY/mcuconf.h b/demos/rt/RT-STM32F407-DISCOVERY/mcuconf.h
index f5230395b..822840b1e 100644
--- a/demos/rt/RT-STM32F407-DISCOVERY/mcuconf.h
+++ b/demos/rt/RT-STM32F407-DISCOVERY/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/ADC/mcuconf.h b/testhal/STM32F4xx/ADC/mcuconf.h
index 573940481..c2c95cf3b 100644
--- a/testhal/STM32F4xx/ADC/mcuconf.h
+++ b/testhal/STM32F4xx/ADC/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/CAN/mcuconf.h b/testhal/STM32F4xx/CAN/mcuconf.h
index 4ce50cc5b..59532b9a9 100644
--- a/testhal/STM32F4xx/CAN/mcuconf.h
+++ b/testhal/STM32F4xx/CAN/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/DMA_STORM/mcuconf.h b/testhal/STM32F4xx/DMA_STORM/mcuconf.h
index c68f74f84..86335f7d4 100644
--- a/testhal/STM32F4xx/DMA_STORM/mcuconf.h
+++ b/testhal/STM32F4xx/DMA_STORM/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/EXT/mcuconf.h b/testhal/STM32F4xx/EXT/mcuconf.h
index 27c2a3da1..baa550014 100644
--- a/testhal/STM32F4xx/EXT/mcuconf.h
+++ b/testhal/STM32F4xx/EXT/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/GPT/mcuconf.h b/testhal/STM32F4xx/GPT/mcuconf.h
index 7ebc4e8bc..39cb4cc5c 100644
--- a/testhal/STM32F4xx/GPT/mcuconf.h
+++ b/testhal/STM32F4xx/GPT/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/I2C/mcuconf.h b/testhal/STM32F4xx/I2C/mcuconf.h
index 6d9b7f24f..261e92aba 100644
--- a/testhal/STM32F4xx/I2C/mcuconf.h
+++ b/testhal/STM32F4xx/I2C/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/IRQ_STORM/mcuconf.h b/testhal/STM32F4xx/IRQ_STORM/mcuconf.h
index 5adf45d59..ebc475daa 100644
--- a/testhal/STM32F4xx/IRQ_STORM/mcuconf.h
+++ b/testhal/STM32F4xx/IRQ_STORM/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/IRQ_STORM_FPU/mcuconf.h b/testhal/STM32F4xx/IRQ_STORM_FPU/mcuconf.h
index 5adf45d59..ebc475daa 100644
--- a/testhal/STM32F4xx/IRQ_STORM_FPU/mcuconf.h
+++ b/testhal/STM32F4xx/IRQ_STORM_FPU/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/PWM-ICU/mcuconf.h b/testhal/STM32F4xx/PWM-ICU/mcuconf.h
index 7667d10e7..91c09720d 100644
--- a/testhal/STM32F4xx/PWM-ICU/mcuconf.h
+++ b/testhal/STM32F4xx/PWM-ICU/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/RTC/mcuconf.h b/testhal/STM32F4xx/RTC/mcuconf.h
index 69dbeeec2..c52430adc 100644
--- a/testhal/STM32F4xx/RTC/mcuconf.h
+++ b/testhal/STM32F4xx/RTC/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/SDC/mcuconf.h b/testhal/STM32F4xx/SDC/mcuconf.h
index 6ff49afa9..4536b7ded 100644
--- a/testhal/STM32F4xx/SDC/mcuconf.h
+++ b/testhal/STM32F4xx/SDC/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/SPI/mcuconf.h b/testhal/STM32F4xx/SPI/mcuconf.h
index 78300a17b..f33762bfd 100644
--- a/testhal/STM32F4xx/SPI/mcuconf.h
+++ b/testhal/STM32F4xx/SPI/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/UART/mcuconf.h b/testhal/STM32F4xx/UART/mcuconf.h
index b2a40a51d..a352561ff 100644
--- a/testhal/STM32F4xx/UART/mcuconf.h
+++ b/testhal/STM32F4xx/UART/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.
diff --git a/testhal/STM32F4xx/USB_CDC/mcuconf.h b/testhal/STM32F4xx/USB_CDC/mcuconf.h
index 8603dd02f..00d5570c6 100644
--- a/testhal/STM32F4xx/USB_CDC/mcuconf.h
+++ b/testhal/STM32F4xx/USB_CDC/mcuconf.h
@@ -57,9 +57,9 @@
 #define STM32_I2SSRC                        STM32_I2SSRC_CKIN
 #define STM32_PLLI2SN_VALUE                 192
 #define STM32_PLLI2SR_VALUE                 5
-#define STM32_VOS                           STM32_VOS_HIGH
 #define STM32_PVD_ENABLE                    FALSE
 #define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
 
 /*
  * ADC driver system settings.