Modify MFP setting style

SampleCode/RegBased/ACMP/main.c

@@ -109,13 +109,16 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PC.6 multi-function pin for ACMP0 positive input pin */
-    SYS->GPC_MFP = SYS_GPC_MFP_PC6_ACMP0_P;
-    SYS->ALT_MFP1 = SYS_ALT_MFP1_PC6_ACMP0_P;
+    SYS->GPC_MFP &= ~SYS_GPC_MFP_PC6_Msk;
+    SYS->GPC_MFP |= SYS_GPC_MFP_PC6_ACMP0_P;
+    SYS->ALT_MFP1 &= ~SYS_ALT_MFP1_PC6_Msk;
+    SYS->ALT_MFP1 |= SYS_ALT_MFP1_PC6_ACMP0_P;
 
     /* Set PB multi-function pins for UART0 RXD, TXD and ACMP0 output */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB12_ACMP0_O;
-    SYS->ALT_MFP = SYS_ALT_MFP_PB12_ACMP0_O;
-    SYS->ALT_MFP2 = SYS_ALT_MFP2_PB12_ACMP0_O;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB12_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB12_ACMP0_O;
+    SYS->ALT_MFP &= ~SYS_ALT_MFP_PB12_Msk;
+    SYS->ALT_MFP |= SYS_ALT_MFP_PB12_ACMP0_O;
 
     /* Disable digital input path of analog pin ACMP0_P to prevent leakage */
     PC->OFFD |= (1 << 6) << GPIO_OFFD_OFFD_Pos;

SampleCode/RegBased/ACMP_Wakeup/main.c

@@ -124,13 +124,17 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PC.6 multi-function pin for ACMP0 positive input pin */
-    SYS->GPC_MFP = SYS_GPC_MFP_PC6_ACMP0_P;
-    SYS->ALT_MFP1 = SYS_ALT_MFP1_PC6_ACMP0_P;
+    SYS->GPC_MFP &= ~SYS_GPC_MFP_PC6_Msk;
+    SYS->GPC_MFP |= SYS_GPC_MFP_PC6_ACMP0_P;
+    SYS->ALT_MFP1 &= ~SYS_ALT_MFP1_PC6_Msk;
+    SYS->ALT_MFP1 |= SYS_ALT_MFP1_PC6_ACMP0_P;
 
     /* Set PB multi-function pins for UART0 RXD, TXD and ACMP0 output */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB12_ACMP0_O;
-    SYS->ALT_MFP = SYS_ALT_MFP_PB12_ACMP0_O;
-    SYS->ALT_MFP2 = SYS_ALT_MFP2_PB12_ACMP0_O;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB12_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB12_ACMP0_O;
+    SYS->ALT_MFP &= ~SYS_ALT_MFP_PB12_Msk;
+    SYS->ALT_MFP |= SYS_ALT_MFP_PB12_ACMP0_O;
+    
 
     /* Disable digital input path of analog pin ACMP0_P to prevent leakage */
     PC->OFFD |= (1 << 6) << GPIO_OFFD_OFFD_Pos;

SampleCode/RegBased/CRC_8/main.c

@@ -59,7 +59,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/CRC_CCITT/main.c

@@ -98,7 +98,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/FMC_IAP/main.c

@@ -75,7 +75,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set GPB multi-function pins for UART0 RXD and TXD  */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 }
 
 

SampleCode/RegBased/FMC_MultiBoot_SwReset/main.c

@@ -71,7 +71,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set GPB multi-function pins for UART0 RXD and TXD  */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 }
 
 

SampleCode/RegBased/FMC_RW/main.c

@@ -62,7 +62,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set GPB multi-function pins for UART0 RXD and TXD  */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 }
 
 

SampleCode/RegBased/I2C_EEPROM/main.c

@@ -192,9 +192,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
+    
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/I2C_GCMode_Master/main.c

@@ -137,10 +137,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 
 }
 

SampleCode/RegBased/I2C_GCMode_Slave/main.c

@@ -151,10 +151,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 
 }
 

SampleCode/RegBased/I2C_Master/main.c

@@ -194,10 +194,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 
 }
 

SampleCode/RegBased/I2C_Slave/main.c

@@ -157,10 +157,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 
 }
 

SampleCode/RegBased/I2C_Wakeup_Master/main.c

@@ -218,10 +218,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 
 }
 

SampleCode/RegBased/I2C_Wakeup_Slave/main.c

@@ -183,11 +183,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
-
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/PDMA/main.c

@@ -143,7 +143,9 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB0_UART0_RXD;
+
 }
 
 void UART0_Init(void)

SampleCode/RegBased/PWM_Capture/main.c

@@ -175,7 +175,8 @@ void SYS_Init(void)
     SYS->GPB_MFP |= (SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD);
 
     /* Set GPE multi-function pins for PWMB Channel1 and channel2 */
-    SYS->GPE_MFP = SYS_GPE_MFP_PE5_PWM5 | SYS_GPE_MFP_PE0_PWM6;
+    SYS->GPE_MFP &= ~(SYS_GPE_MFP_PE5_Msk | SYS_GPE_MFP_PE0_Msk);
+    SYS->GPE_MFP |= SYS_GPE_MFP_PE5_PWM5 | SYS_GPE_MFP_PE0_PWM6;
 
 }
 

SampleCode/RegBased/PWM_DeadZone/main.c

@@ -111,7 +111,8 @@ void SYS_Init(void)
     SYS->GPB_MFP |= (SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD);
 
     /* Set GPA multi-function pins for PWMA Channel0~3 */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA12_PWM0 | SYS_GPA_MFP_PA13_PWM1 | SYS_GPA_MFP_PA14_PWM2 | SYS_GPA_MFP_PA15_PWM3;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA12_Msk | SYS_GPA_MFP_PA13_Msk | SYS_GPA_MFP_PA14_Msk | SYS_GPA_MFP_PA15_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA12_PWM0 | SYS_GPA_MFP_PA13_PWM1 | SYS_GPA_MFP_PA14_PWM2 | SYS_GPA_MFP_PA15_PWM3;
 
 }
 

SampleCode/RegBased/PWM_DoubleBuffer/main.c

@@ -112,7 +112,8 @@ void SYS_Init(void)
     SYS->GPB_MFP |= (SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD);
 
     /* Set GPA multi-function pins for PWMA Channel0 */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA12_PWM0;
+    SYS->GPA_MFP &= ~SYS_GPA_MFP_PA12_Msk;
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA12_PWM0;
 
 }
 

SampleCode/RegBased/RTC_PowerDown/main.c

@@ -106,7 +106,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_UART0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/RTC_TimeAndTick/main.c

@@ -88,7 +88,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_UART0_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/TIMER_Capture/main.c

@@ -140,12 +140,19 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD, TM0, TM2, TM3 and TM2_EXT */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD |
-                   SYS_GPB_MFP_PB8_TM0 | SYS_GPB_MFP_PB10_TM2 | SYS_GPB_MFP_PB11_TM3 |
-                   SYS_GPB_MFP_PB2_TM2_EXT;
-
-    SYS->ALT_MFP  = SYS_ALT_MFP_PB2_TM2_EXT;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk |
+                      SYS_GPB_MFP_PB8_Msk | SYS_GPB_MFP_PB10_Msk | SYS_GPB_MFP_PB11_Msk |
+                      SYS_GPB_MFP_PB2_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD |
+                    SYS_GPB_MFP_PB8_TM0 | SYS_GPB_MFP_PB10_TM2 | SYS_GPB_MFP_PB11_TM3 |
+                    SYS_GPB_MFP_PB2_TM2_EXT;
+
+    SYS->ALT_MFP  &= ~SYS_ALT_MFP_PB2_Msk;
+    SYS->ALT_MFP  |= SYS_ALT_MFP_PB2_TM2_EXT;
+    
     SYS->ALT_MFP2 = SYS_ALT_MFP2_PB2_TM2_EXT;
 }
 

SampleCode/RegBased/TIMER_Counter/main.c

@@ -96,7 +96,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD and TM1 */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB9_TM1;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk | SYS_GPB_MFP_PB9_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD | SYS_GPB_MFP_PB9_TM1;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/TIMER_PeriodicINT/main.c

@@ -147,7 +147,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/TIMER_PowerDown/main.c

@@ -115,7 +115,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/WDT_PowerDown/main.c

@@ -109,7 +109,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/WDT_TimeoutINT/main.c

@@ -86,7 +86,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/WDT_TimeoutReset/main.c

@@ -90,7 +90,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/RegBased/WWDT_CompareINT/main.c

@@ -95,7 +95,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/StdDriver/CRC_8/main.c

@@ -50,7 +50,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/StdDriver/CRC_CCITT/main.c

@@ -90,7 +90,8 @@ void SYS_Init(void)
     /* Init I/O Multi-function                                                                                 */
     /*---------------------------------------------------------------------------------------------------------*/
     /* Set PB multi-function pins for UART0 RXD, TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 void UART0_Init(void)

SampleCode/StdDriver/FMC_IAP/main.c

@@ -60,7 +60,8 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 }
 
 

SampleCode/StdDriver/FMC_RW/main.c

@@ -57,7 +57,8 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
 }
 

SampleCode/StdDriver/I2C_EEPROM/main.c

@@ -181,10 +181,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/I2C_GCMode_Master/main.c

@@ -127,10 +127,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/I2C_GCMode_Slave/main.c

@@ -142,10 +142,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 

SampleCode/StdDriver/I2C_Master/main.c

@@ -181,10 +181,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/I2C_Slave/main.c

@@ -146,10 +146,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/I2C_Wakeup_Master/main.c

@@ -208,10 +208,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/I2C_Wakeup_Slave/main.c

@@ -172,10 +172,12 @@ void SYS_Init(void)
     /*---------------------------------------------------------------------------------------------------------*/
 
     /* Set GPB multi-function pins for UART0 RXD and TXD */
-    SYS->GPB_MFP = SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
+    SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
+    SYS->GPB_MFP |= SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD;
 
     /* Set GPA multi-function pins for I2C0 SDA and SCL */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA8_Msk | SYS_GPA_MFP_PA9_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA8_I2C0_SDA | SYS_GPA_MFP_PA9_I2C0_SCL;
 }
 
 void UART0_Init()

SampleCode/StdDriver/PWM_Capture/main.c

@@ -180,7 +180,8 @@ void SYS_Init(void)
     SYS->GPB_MFP |= (SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD);
 
     /* Set GPE multi-function pins for PWMB Channel1 and channel2 */
-    SYS->GPE_MFP = SYS_GPE_MFP_PE5_PWM5 | SYS_GPE_MFP_PE0_PWM6;
+    SYS->GPE_MFP &= ~(SYS_GPE_MFP_PE5_Msk | SYS_GPE_MFP_PE0_Msk);
+    SYS->GPE_MFP |= SYS_GPE_MFP_PE5_PWM5 | SYS_GPE_MFP_PE0_PWM6;
 }
 
 void UART0_Init()

SampleCode/StdDriver/PWM_DeadZone/main.c

@@ -108,7 +108,8 @@ void SYS_Init(void)
     SYS->GPB_MFP &= ~(SYS_GPB_MFP_PB0_Msk | SYS_GPB_MFP_PB1_Msk);
     SYS->GPB_MFP |= (SYS_GPB_MFP_PB0_UART0_RXD | SYS_GPB_MFP_PB1_UART0_TXD);
     /* Set GPA multi-function pins for PWMA Channel0~3 */
-    SYS->GPA_MFP = SYS_GPA_MFP_PA12_PWM0 | SYS_GPA_MFP_PA13_PWM1 | SYS_GPA_MFP_PA14_PWM2 | SYS_GPA_MFP_PA15_PWM3;
+    SYS->GPA_MFP &= ~(SYS_GPA_MFP_PA12_Msk | SYS_GPA_MFP_PA13_Msk | SYS_GPA_MFP_PA14_Msk | SYS_GPA_MFP_PA15_Msk);
+    SYS->GPA_MFP |= SYS_GPA_MFP_PA12_PWM0 | SYS_GPA_MFP_PA13_PWM1 | SYS_GPA_MFP_PA14_PWM2 | SYS_GPA_MFP_PA15_PWM3;
 }
 
 void UART0_Init()

SampleCode/StdDriver/PWM_DoubleBuffer/main.c

@@ -114,7 +114,8 @@ void SYS_Init(void)