diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralPins.c
index e0905cda92..b131adfb84 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -228,6 +228,26 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PD_12, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PF_6,  UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PD_4,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PD_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PD_3,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {NC,    NC,    0}
+};
+
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/PeripheralPins.c
index 486f07cff6..9e38ad94fe 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -167,6 +167,20 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {NC,    NC,    0}
+};
 
 //*** SPI ***
 
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/PeripheralPins.c
index a8695d8a74..71b7776b56 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -171,6 +171,21 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {NC,    NC,    0}
+};
+
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303K8/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303K8/PeripheralPins.c
index 6dbd71c70a..16ffc58799 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303K8/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303K8/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -144,6 +144,21 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {NC,    NC,    0}
+};
+
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303RE/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303RE/PeripheralPins.c
index 13c33f170f..4b82359987 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303RE/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303RE/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -214,6 +214,21 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {NC,    NC,    0}
+};
+
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/PeripheralPins.c
index ec22f6efde..47a4363306 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/PeripheralPins.c
@@ -1,6 +1,6 @@
 /* mbed Microcontroller Library
  *******************************************************************************
- * Copyright (c) 2015, STMicroelectronics
+ * Copyright (c) 2016, STMicroelectronics
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -185,6 +185,21 @@ const PinMap PinMap_UART_RX[] = {
     {NC,    NC,     0}
 };
 
+const PinMap PinMap_UART_RTS[] = {
+    {PA_1,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {NC,    NC,    0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+    {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PB_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PA_13, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {NC,    NC,    0}
+};
+
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {