diff --git a/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.c b/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.c
index dbf18568754..10767e8d83a 100644
--- a/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.c
+++ b/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.c
@@ -104,7 +104,7 @@ const am_hal_gpio_pincfg_t g_AM_BSP_GPIO_BUTTON0 =
 //*****************************************************************************
 const am_hal_gpio_pincfg_t g_AM_BSP_GPIO_COM_UART_TX =
 {
-    .uFuncSel            = AM_HAL_PIN_22_UART0TX,
+    .uFuncSel            = AM_HAL_PIN_48_UART0TX,
     .eDriveStrength      = AM_HAL_GPIO_PIN_DRIVESTRENGTH_2MA
 };
 
@@ -115,7 +115,7 @@ const am_hal_gpio_pincfg_t g_AM_BSP_GPIO_COM_UART_TX =
 //*****************************************************************************
 const am_hal_gpio_pincfg_t g_AM_BSP_GPIO_COM_UART_RX =
 {
-    .uFuncSel            = AM_HAL_PIN_23_UART0RX
+    .uFuncSel            = AM_HAL_PIN_49_UART0RX
 };
 
 //*****************************************************************************
diff --git a/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.h b/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.h
index 9ca73b2c968..bfd5b201524 100644
--- a/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.h
+++ b/targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TARGET_LoRa_THING_PLUS_expLoRaBLE/bsp/am_bsp_pins.h
@@ -85,7 +85,7 @@ extern const am_hal_gpio_pincfg_t       g_AM_BSP_GPIO_BUTTON0;
 //  COM_UART_TX pin: This pin is the COM_UART transmit pin.
 //
 //*****************************************************************************
-#define AM_BSP_GPIO_COM_UART_TX         	22
+#define AM_BSP_GPIO_COM_UART_TX         	48
 extern const am_hal_gpio_pincfg_t       g_AM_BSP_GPIO_COM_UART_TX;
 
 //*****************************************************************************
@@ -93,7 +93,7 @@ extern const am_hal_gpio_pincfg_t       g_AM_BSP_GPIO_COM_UART_TX;
 //  COM_UART_RX pin: This pin is the COM_UART receive pin.
 //
 //*****************************************************************************
-#define AM_BSP_GPIO_COM_UART_RX         	23
+#define AM_BSP_GPIO_COM_UART_RX         	49
 extern const am_hal_gpio_pincfg_t       g_AM_BSP_GPIO_COM_UART_RX;
 
 //*****************************************************************************