I2S2 MCLK out enabled

- PCLK doubled to 40.96 MHz
- fs: 32 kHz

Core/Src/main.c

@@ -328,9 +328,9 @@ void PeriphCommonClock_Config(void)
   LL_RCC_PLL2_SetVCOInputRange(LL_RCC_PLLINPUTRANGE_8_16);
   LL_RCC_PLL2_SetVCOOutputRange(LL_RCC_PLLVCORANGE_WIDE);
   LL_RCC_PLL2_SetM(10);
-  LL_RCC_PLL2_SetN(192);
-  LL_RCC_PLL2_SetP(15);
-  LL_RCC_PLL2_SetQ(12);
+  LL_RCC_PLL2_SetN(256);
+  LL_RCC_PLL2_SetP(10);
+  LL_RCC_PLL2_SetQ(10);
   LL_RCC_PLL2_SetR(2);
   LL_RCC_PLL2P_Enable();
   LL_RCC_PLL2_Enable();
@@ -508,6 +508,7 @@ static void MX_I2S2_Init(void)
   PB12   ------> I2S2_WS
   PB13   ------> I2S2_CK
   PB15   ------> I2S2_SDO
+  PC6   ------> I2S2_MCK
   */
   GPIO_InitStruct.Pin = LL_GPIO_PIN_2;
   GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
@@ -525,6 +526,14 @@ static void MX_I2S2_Init(void)
   GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
   LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+  GPIO_InitStruct.Pin = LL_GPIO_PIN_6;
+  GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
+  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
+  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
+  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
+  GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
+  LL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
   /* I2S2 DMA Init */
 
   /* GPDMA2_REQUEST_SPI2_TX Init */
@@ -576,7 +585,7 @@ static void MX_I2S2_Init(void)
   I2S_InitStruct.Mode = LL_I2S_MODE_MASTER_FULL_DUPLEX;
   I2S_InitStruct.Standard = LL_I2S_STANDARD_PHILIPS;
   I2S_InitStruct.DataFormat = LL_I2S_DATAFORMAT_32B;
-  I2S_InitStruct.MCLKOutput = LL_I2S_MCLK_OUTPUT_DISABLE;
+  I2S_InitStruct.MCLKOutput = LL_I2S_MCLK_OUTPUT_ENABLE;
   I2S_InitStruct.AudioFreq = 32000;
   I2S_InitStruct.ClockPolarity = LL_I2S_POLARITY_LOW;
   LL_I2S_Init(SPI2, &I2S_InitStruct);

DigitalAudioH533.ioc

@@ -116,37 +116,38 @@ Mcu.Pin11=PB12
 Mcu.Pin12=PB13
 Mcu.Pin13=PB14
 Mcu.Pin14=PB15
-Mcu.Pin15=PA13(JTMS/SWDIO)
-Mcu.Pin16=PA14(JTCK/SWCLK)
-Mcu.Pin17=PC11
-Mcu.Pin18=PC12
-Mcu.Pin19=PD2
+Mcu.Pin15=PC6
+Mcu.Pin16=PA13(JTMS/SWDIO)
+Mcu.Pin17=PA14(JTCK/SWCLK)
+Mcu.Pin18=PC11
+Mcu.Pin19=PC12
 Mcu.Pin2=PH0-OSC_IN(PH0)
-Mcu.Pin20=PB6
-Mcu.Pin21=PB7
-Mcu.Pin22=PB8
-Mcu.Pin23=VP_CORTEX_M33_NS_VS_Hclk
-Mcu.Pin24=VP_GPDMA1_VS_GPDMACH0
-Mcu.Pin25=VP_GPDMA1_VS_GPDMACH1
-Mcu.Pin26=VP_GPDMA1_VS_GPDMACH2
-Mcu.Pin27=VP_GPDMA1_VS_GPDMACH3
-Mcu.Pin28=VP_GPDMA2_VS_GPDMACH0
-Mcu.Pin29=VP_ICACHE_VS_ICACHE
+Mcu.Pin20=PD2
+Mcu.Pin21=PB6
+Mcu.Pin22=PB7
+Mcu.Pin23=PB8
+Mcu.Pin24=VP_CORTEX_M33_NS_VS_Hclk
+Mcu.Pin25=VP_GPDMA1_VS_GPDMACH0
+Mcu.Pin26=VP_GPDMA1_VS_GPDMACH1
+Mcu.Pin27=VP_GPDMA1_VS_GPDMACH2
+Mcu.Pin28=VP_GPDMA1_VS_GPDMACH3
+Mcu.Pin29=VP_GPDMA2_VS_GPDMACH0
 Mcu.Pin3=PH1-OSC_OUT(PH1)
-Mcu.Pin30=VP_PWR_VS_SECSignals
-Mcu.Pin31=VP_PWR_VS_LPOM
-Mcu.Pin32=VP_SYS_VS_Systick
-Mcu.Pin33=VP_TIM2_VS_ClockSourceINT
-Mcu.Pin34=VP_TIM5_VS_ClockSourceINT
-Mcu.Pin35=VP_BOOTPATH_VS_BOOTPATH
-Mcu.Pin36=VP_MEMORYMAP_VS_MEMORYMAP
+Mcu.Pin30=VP_ICACHE_VS_ICACHE
+Mcu.Pin31=VP_PWR_VS_SECSignals
+Mcu.Pin32=VP_PWR_VS_LPOM
+Mcu.Pin33=VP_SYS_VS_Systick
+Mcu.Pin34=VP_TIM2_VS_ClockSourceINT
+Mcu.Pin35=VP_TIM5_VS_ClockSourceINT
+Mcu.Pin36=VP_BOOTPATH_VS_BOOTPATH
+Mcu.Pin37=VP_MEMORYMAP_VS_MEMORYMAP
 Mcu.Pin4=PC2
 Mcu.Pin5=PA0
 Mcu.Pin6=PA1
 Mcu.Pin7=PA2
 Mcu.Pin8=PA3
 Mcu.Pin9=PB1
-Mcu.PinsNb=37
+Mcu.PinsNb=38
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32H533RETx
@@ -259,6 +260,10 @@ PC2.GPIOParameters=GPIO_Speed
 PC2.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM
 PC2.Mode=Full_Duplex_Master
 PC2.Signal=I2S2_SDI
+PC6.GPIOParameters=GPIO_Speed
+PC6.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
+PC6.Mode=Master_Clock_Activated
+PC6.Signal=I2S2_MCK
 PCC.Checker=false
 PCC.Line=STM32H5x3
 PCC.MCU=STM32H533RETx
@@ -349,12 +354,12 @@ RCC.OCTOSPIMFreq_Value=80000000
 RCC.PLL1P=4
 RCC.PLL1Q=10
 RCC.PLL2M=10
-RCC.PLL2N=192
-RCC.PLL2P=15
-RCC.PLL2PoutputFreq_Value=20480000
-RCC.PLL2Q=12
-RCC.PLL2QoutputFreq_Value=25600000
-RCC.PLL2RoutputFreq_Value=153600000
+RCC.PLL2N=256
+RCC.PLL2P=10
+RCC.PLL2PoutputFreq_Value=40960000
+RCC.PLL2Q=10
+RCC.PLL2QoutputFreq_Value=40960000
+RCC.PLL2RoutputFreq_Value=204800000
 RCC.PLL2Source=RCC_PLL2_SOURCE_HSE
 RCC.PLL3N=8
 RCC.PLL3PoutputFreq_Value=64000000
@@ -372,7 +377,7 @@ RCC.RNGFreq_Value=48000000
 RCC.SDMMC1Freq_Value=32000000
 RCC.SPI1Freq_Value=32000000
 RCC.SPI2CLockSelection=RCC_SPI2CLKSOURCE_PLL2P
-RCC.SPI2Freq_Value=20480000
+RCC.SPI2Freq_Value=40960000
 RCC.SPI3Freq_Value=32000000
 RCC.SPI4Freq_Value=80000000
 RCC.SYSCLKFreq_VALUE=80000000
@@ -390,7 +395,7 @@ RCC.VCOInput2Freq_Value=1600000
 RCC.VCOInput3Freq_Value=16000000
 RCC.VCOInputFreq_Value=16000000
 RCC.VCOOutputFreq_Value=320000000
-RCC.VCOPLL2OutputFreq_Value=307200000
+RCC.VCOPLL2OutputFreq_Value=409600000
 RCC.VCOPLL3OutputFreq_Value=128000000
 TIM2.IPParameters=Prescaler
 TIM2.Prescaler=39999