diff --git a/firmware/targets/f3/f3-1/Inc/main.h b/firmware/targets/f3/f3-1/Inc/main.h
index 88bfea21..b0227887 100644
--- a/firmware/targets/f3/f3-1/Inc/main.h
+++ b/firmware/targets/f3/f3-1/Inc/main.h
@@ -88,8 +88,8 @@ void Error_Handler(void);
 #define LED_BLUE_GPIO_Port GPIOA
 #define PA4_Pin GPIO_PIN_4
 #define PA4_GPIO_Port GPIOA
-#define PA5_Pin GPIO_PIN_5
-#define PA5_GPIO_Port GPIOA
+#define SPI_R_SCK_Pin GPIO_PIN_5
+#define SPI_R_SCK_GPIO_Port GPIOA
 #define PA6_Pin GPIO_PIN_6
 #define PA6_GPIO_Port GPIOA
 #define PA7_Pin GPIO_PIN_7
@@ -143,8 +143,8 @@ void Error_Handler(void);
 #define CC1101_CS_GPIO_Port GPIOD
 #define SPI_D_SCK_Pin GPIO_PIN_1
 #define SPI_D_SCK_GPIO_Port GPIOD
-#define SPI_R_SCK_Pin GPIO_PIN_3
-#define SPI_R_SCK_GPIO_Port GPIOB
+#define PB3_Pin GPIO_PIN_3
+#define PB3_GPIO_Port GPIOB
 #define SPI_R_MISO_Pin GPIO_PIN_4
 #define SPI_R_MISO_GPIO_Port GPIOB
 #define SPI_R_MOSI_Pin GPIO_PIN_5
diff --git a/firmware/targets/f3/f3-1/Src/gpio.c b/firmware/targets/f3/f3-1/Src/gpio.c
index b0040fe6..84634b10 100644
--- a/firmware/targets/f3/f3-1/Src/gpio.c
+++ b/firmware/targets/f3/f3-1/Src/gpio.c
@@ -97,8 +97,8 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : PAPin PAPin PAPin PAPin */
-  GPIO_InitStruct.Pin = PA4_Pin|PA5_Pin|PA6_Pin|PA7_Pin;
+  /*Configure GPIO pins : PAPin PAPin PAPin */
+  GPIO_InitStruct.Pin = PA4_Pin|PA6_Pin|PA7_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
@@ -115,8 +115,8 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Pull = GPIO_PULLDOWN;
   HAL_GPIO_Init(CC1101_G0_GPIO_Port, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : PBPin PBPin */
-  GPIO_InitStruct.Pin = PB2_Pin|iBTN_Pin;
+  /*Configure GPIO pins : PBPin PBPin PBPin */
+  GPIO_InitStruct.Pin = PB2_Pin|iBTN_Pin|PB3_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
diff --git a/firmware/targets/f3/f3-1/Src/spi.c b/firmware/targets/f3/f3-1/Src/spi.c
index b5929653..e777b347 100644
--- a/firmware/targets/f3/f3-1/Src/spi.c
+++ b/firmware/targets/f3/f3-1/Src/spi.c
@@ -88,13 +88,21 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     /* SPI1 clock enable */
     __HAL_RCC_SPI1_CLK_ENABLE();
 
+    __HAL_RCC_GPIOA_CLK_ENABLE();
     __HAL_RCC_GPIOB_CLK_ENABLE();
     /**SPI1 GPIO Configuration
-    PB3     ------> SPI1_SCK
+    PA5     ------> SPI1_SCK
     PB4     ------> SPI1_MISO
     PB5     ------> SPI1_MOSI
     */
-    GPIO_InitStruct.Pin = SPI_R_SCK_Pin|SPI_R_MISO_Pin|SPI_R_MOSI_Pin;
+    GPIO_InitStruct.Pin = SPI_R_SCK_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
+    HAL_GPIO_Init(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = SPI_R_MISO_Pin|SPI_R_MOSI_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
@@ -164,11 +172,13 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
     __HAL_RCC_SPI1_CLK_DISABLE();
 
     /**SPI1 GPIO Configuration
-    PB3     ------> SPI1_SCK
+    PA5     ------> SPI1_SCK
     PB4     ------> SPI1_MISO
     PB5     ------> SPI1_MOSI
     */
-    HAL_GPIO_DeInit(GPIOB, SPI_R_SCK_Pin|SPI_R_MISO_Pin|SPI_R_MOSI_Pin);
+    HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);
+
+    HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin|SPI_R_MOSI_Pin);
 
   /* USER CODE BEGIN SPI1_MspDeInit 1 */
 
diff --git a/firmware/targets/f3/f3-1/f3-1.ioc b/firmware/targets/f3/f3-1/f3-1.ioc
index ea8c87a3..14041721 100644
--- a/firmware/targets/f3/f3-1/f3-1.ioc
+++ b/firmware/targets/f3/f3-1/f3-1.ioc
@@ -56,7 +56,6 @@ NVIC.EXTI15_10_IRQn=true\:5\:0\:true\:false\:true\:false\:true\:true
 ProjectManager.ProjectBuild=false
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 PB2.Signal=GPIO_Analog
-PB3.Mode=Full_Duplex_Master
 PH3-BOOT0.Locked=true
 PA8.Locked=true
 PD1.GPIOParameters=GPIO_Label
@@ -95,6 +94,7 @@ PB9.Signal=TIM1_CH3N
 Mcu.Package=VFQFPN68
 TIM2.Prescaler=64-1
 PB1.Signal=GPXTI1
+PA5.Locked=true
 NVIC.TimeBase=TIM1_TRG_COM_TIM17_IRQn
 SPI2.Mode=SPI_MODE_MASTER
 PA2.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_OD
@@ -128,6 +128,7 @@ ProjectManager.CustomerFirmwarePackage=
 PC4.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
 NVIC.RCC_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:false
 RCC.HSI48_VALUE=48000000
+PA5.Mode=Full_Duplex_Master
 PA6.GPIOParameters=GPIO_Label
 SH.GPXTI10.0=GPIO_EXTI10
 PCC.Ble.Mode=NOT_SELECTED
@@ -205,7 +206,7 @@ Mcu.Pin46=PD1
 Mcu.Pin47=PB3
 PB10.Signal=GPXTI10
 PB14.Signal=GPIO_Analog
-PA5.Signal=GPIO_Analog
+PA5.Signal=SPI1_SCK
 Mcu.Pin40=PA14
 Mcu.Pin41=PA15
 Mcu.Pin44=PC12
@@ -261,7 +262,7 @@ Mcu.Pin20=PC4
 ADC1.master=1
 PA3.Locked=true
 Mcu.Pin21=PC5
-PA5.GPIO_Label=PA5
+PA5.GPIO_Label=SPI_R_SCK
 PA10.Locked=true
 NVIC.ForceEnableDMAVector=true
 OSC_IN.Mode=HSE-External-Oscillator
@@ -456,7 +457,7 @@ PB4.Signal=SPI1_MISO
 RCC.PLLSAI1N=6
 PA3.Signal=GPIO_Output
 PA2.Locked=true
-PB3.GPIO_Label=SPI_R_SCK
+PB3.GPIO_Label=PB3
 VP_RTC_VS_RTC_Activate.Signal=RTC_VS_RTC_Activate
 RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
 PC15-OSC32_OUT.Mode=LSE-External-Oscillator
@@ -467,7 +468,7 @@ PB9.GPIO_Label=IR_TX
 PC10.GPIO_Label=PC10
 PA10.Mode=I2C
 ProjectManager.NoMain=false
-SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,BaudRatePrescaler,DataSize,CLKPhase
+SPI1.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,CLKPhase,BaudRatePrescaler
 USB_DEVICE.VirtualModeFS=Cdc_FS
 PC4.GPIO_PuPd=GPIO_PULLDOWN
 NVIC.SavedSvcallIrqHandlerGenerated=false
@@ -551,7 +552,7 @@ Mcu.IP9=PKA
 Mcu.IP6=HSEM
 Mcu.IP7=I2C1
 ProjectManager.CoupleFile=true
-PB3.Signal=SPI1_SCK
+PB3.Signal=GPIO_Analog
 RCC.SYSCLKFreq_VALUE=64000000
 PA7.GPIO_Label=PA7
 PA1.Locked=true