diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/PeripheralPins.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/PeripheralPins.c
index a6458ce760..2c0379c099 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/PeripheralPins.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/PeripheralPins.c
@@ -220,6 +220,28 @@ 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)}, // Connected to MEMS
+    {PA_12, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+//  {PB_14, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)}, // Connected to USB
+    {PD_4,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)},
+    {PD_12, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+    {PG_8,  UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+    {PG_12, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+    {NC,    NC,     0}
+};
+
+const PinMap PinMap_UART_CTS[] = {
+//  {PA_0,  UART_2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART2)}, // Connected to BUTTON
+    {PA_11, UART_1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART1)},
+    {PB_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)},
+    {PD_11, UART_3, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF7_USART3)},
+//  {PG_13, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)}, // Connected to LED
+    {PG_15, UART_6, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF8_USART6)},
+    {NC,    NC,     0}
+};
+ 
 //*** SPI ***
 
 const PinMap PinMap_SPI_MOSI[] = {
diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h b/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h
index 8907aeb0c0..bd27e9d27d 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h
@@ -74,6 +74,11 @@ struct serial_s {
     uint32_t parity;
     PinName pin_tx;
     PinName pin_rx;
+#if DEVICE_SERIAL_FC
+    uint32_t hw_flow_ctl;
+    PinName pin_rts;
+    PinName pin_cts;
+#endif
 };
 
 struct spi_s {