diff --git a/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500/PeripheralPins.c b/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500/PeripheralPins.c
index 8df216352eb..574a13a6231 100644
--- a/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500/PeripheralPins.c
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500/PeripheralPins.c
@@ -115,16 +115,19 @@ const PinMap PinMap_PWM[] = {
     {PA_0 , PWM_6, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PA_1 , PWM_7, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PA_5 , PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
+    {PA_6 , PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_7 , PWM_4, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_8 , PWM_5, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_9 , PWM_6, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_10, PWM_7, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PC_0 , PWM_0, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_2 , PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
+    {PC_3 , PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_4 , PWM_4, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_5 , PWM_5, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_8 , PWM_0, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF0)},
     {PC_10, PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
+    {PC_11, PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {NC   , NC   , WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF0)}
 };
 
diff --git a/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/PeripheralPins.c b/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/PeripheralPins.c
index 6af61271311..8023470f43d 100644
--- a/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/PeripheralPins.c
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/PeripheralPins.c
@@ -117,16 +117,19 @@ const PinMap PinMap_PWM[] = {
     {PA_0 , PWM_6, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PA_1 , PWM_7, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PA_5 , PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
+    {PA_6 , PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_7 , PWM_4, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_8 , PWM_5, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_9 , PWM_6, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PA_10, PWM_7, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF3)},
     {PC_0 , PWM_0, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_2 , PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
+    {PC_3 , PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_4 , PWM_4, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_5 , PWM_5, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {PC_8 , PWM_0, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF0)},
     {PC_10, PWM_2, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
+    {PC_11, PWM_3, WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF2)},
     {NC   , NC   , WIZ_PIN_DATA(WIZ_MODE_AF, WIZ_GPIO_NOPULL, Px_AFSR_AF0)}
 };
 
diff --git a/targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c b/targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c
deleted file mode 100644
index e789f4afb18..00000000000
--- a/targets/TARGET_WIZNET/TARGET_W7500x/rtc_api.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "rtc_api.h"
-#include "cmsis.h"
-#include "W7500x_pwm.h"
-
-time_t wiz_rtc_time;
-char rtc_enabled = 0;
-
-#ifdef __cplusplus
-extern "C"{
-#endif
-void PWM3_Handler(void)
-{
-
-    wiz_rtc_time++;
-    PWM_CH3_ClearOverflowInt();
-
-}
-#ifdef __cplusplus
-}
-#endif
-
-
-
-void rtc_init(void) {
-    PWM_TimerModeInitTypeDef TimerModeStructure;
-    *(volatile uint32_t *)(0x410010e0) = 0x03;
-
-    /* Timer mode configuration */    
-    TimerModeStructure.PWM_CHn_PR = 7;
-    TimerModeStructure.PWM_CHn_MR = 1;
-    TimerModeStructure.PWM_CHn_LR = 0xF4240;
-    TimerModeStructure.PWM_CHn_UDMR = PWM_CHn_UDMR_UpCount;
-    TimerModeStructure.PWM_CHn_PDMR = PWM_CHn_PDMR_Periodic;
-    
-    PWM_TimerModeInit(PWM_CH3, &TimerModeStructure); 
-    
-    /* PWM interrupt configuration */
-    PWM_IntConfig(PWM_CH3, ENABLE);
-    PWM_CHn_IntConfig(PWM_CH3, PWM_CHn_IER_OIE, ENABLE);
-    
-    /* PWM channel 0 start */
-    PWM_CHn_Start(PWM_CH3);
-    NVIC_SetVector(PWM3_IRQn, (uint32_t)PWM3_Handler);
-    NVIC_EnableIRQ(PWM3_IRQn);		
-    rtc_enabled = 1;
-}
-
-void rtc_free(void) {
-    // [TODO]
-}
-
-
-int rtc_isenabled(void) {
-	return rtc_enabled;
-}
-
-
-time_t rtc_read(void) {
-    return wiz_rtc_time;
-}
-
-void rtc_write(time_t t) {
-    //*(volatile uint32_t *)(0x41001008) = 0x42; // timer disable, interrupt disable
-    wiz_rtc_time = t; 
-    //*(volatile uint32_t *)(0x41001008) = 0x72; // timer enable interrupt enable  
-}
diff --git a/targets/targets.json b/targets/targets.json
index 2dd940be365..d52a37b5dce 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -2601,7 +2601,7 @@
         "macros": ["CMSIS_VECTAB_VIRTUAL", "CMSIS_VECTAB_VIRTUAL_HEADER_FILE=\"cmsis_nvic.h\""],
         "supported_toolchains": ["uARM", "ARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
-        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"]
     },
     "WIZWIKI_W7500P": {
@@ -2611,7 +2611,7 @@
         "macros": ["CMSIS_VECTAB_VIRTUAL", "CMSIS_VECTAB_VIRTUAL_HEADER_FILE=\"cmsis_nvic.h\""],
         "supported_toolchains": ["uARM", "ARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
-        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"]
     },
     "WIZWIKI_W7500ECO": {
@@ -2620,7 +2620,7 @@
         "extra_labels": ["WIZNET", "W7500x", "WIZwiki_W7500ECO"],
         "macros": ["CMSIS_VECTAB_VIRTUAL", "CMSIS_VECTAB_VIRTUAL_HEADER_FILE=\"cmsis_nvic.h\""],
         "supported_toolchains": ["uARM", "ARM", "GCC_ARM", "IAR"],
-        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"]
     },
     "SAMR21G18A": {