diff --git a/IOSTM.cpp b/IOSTM.cpp
index 4943d01..5cc136c 100644
--- a/IOSTM.cpp
+++ b/IOSTM.cpp
@@ -164,6 +164,76 @@ EXT_CLK  PA15   input
 #define PIN_TX            GPIO_Pin_4
 #define PIN_TX_CH         DAC_Channel_1
 
+#elif defined(STM32F722_PI)
+/*
+Pin definitions for STM32F722 Pi Board:
+
+PTT      PB13   output
+COSLED   PB14   output
+LED      PB15   output
+COS      PC0    input
+
+DSTAR    PC7    output
+DMR      PC8    output
+YSF      PA8    output
+P25      PC9    output
+
+RX       PA0    analog input
+RSSI     PA7    analog input
+TX       PA4    analog output
+
+EXT_CLK  PA15   input
+*/
+
+#define PIN_COS           GPIO_Pin_0
+#define PORT_COS          GPIOC
+#define RCC_Per_COS       RCC_AHB1Periph_GPIOC
+
+#define PIN_PTT           GPIO_Pin_13
+#define PORT_PTT          GPIOB
+#define RCC_Per_PTT       RCC_AHB1Periph_GPIOB
+
+#define PIN_COSLED        GPIO_Pin_14
+#define PORT_COSLED       GPIOB
+#define RCC_Per_COSLED    RCC_AHB1Periph_GPIOB
+
+#define PIN_LED           GPIO_Pin_15
+#define PORT_LED          GPIOB
+#define RCC_Per_LED       RCC_AHB1Periph_GPIOB
+
+#define PIN_P25           GPIO_Pin_9
+#define PORT_P25          GPIOC
+#define RCC_Per_P25       RCC_AHB1Periph_GPIOC
+
+#define PIN_DSTAR         GPIO_Pin_7
+#define PORT_DSTAR        GPIOC
+#define RCC_Per_DSTAR     RCC_AHB1Periph_GPIOC
+
+#define PIN_DMR           GPIO_Pin_8
+#define PORT_DMR          GPIOC
+#define RCC_Per_DMR       RCC_AHB1Periph_GPIOC
+
+#define PIN_YSF           GPIO_Pin_8
+#define PORT_YSF          GPIOA
+#define RCC_Per_YSF       RCC_AHB1Periph_GPIOA
+
+#define PIN_EXT_CLK       GPIO_Pin_15
+#define SRC_EXT_CLK       GPIO_PinSource15
+#define PORT_EXT_CLK      GPIOA
+
+#define PIN_RX            GPIO_Pin_0
+#define PIN_RX_CH         ADC_Channel_0
+#define PORT_RX           GPIOA
+#define RCC_Per_RX        RCC_AHB1Periph_GPIOA
+
+#define PIN_RSSI          GPIO_Pin_7
+#define PIN_RSSI_CH       ADC_Channel_7
+#define PORT_RSSI         GPIOA
+#define RCC_Per_RSSI      RCC_AHB1Periph_GPIOA
+
+#define PIN_TX            GPIO_Pin_4
+#define PIN_TX_CH         DAC_Channel_1
+
 #elif defined(STM32F4_F4M)
 /*
 Pin definitions for MMDVM-F4M Pi-Hat F0DEI board:
@@ -497,7 +567,7 @@ EXT_CLK  PA15   input            CN11 Pin17
 #define PIN_TX_CH         DAC_Channel_1
 
 #else
-#error "Either STM32F4_DISCOVERY, STM32F4_PI, STM32F4_F4M, STM32F4_NUCLEO or STM32F7_NUCLEO need to be defined"
+#error "Either STM32F4_DISCOVERY, STM32F4_PI, STM32F722_PI, STM32F4_F4M, STM32F4_NUCLEO or STM32F7_NUCLEO need to be defined"
 #endif
 
 const uint16_t DC_OFFSET = 2048U;
@@ -698,7 +768,7 @@ void CIO::startInt()
    // Init the timer
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
 
-#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
+#if defined(EXTERNAL_OSC) && !(defined(STM32F4_PI) || defined(STM32F722_PI))
    // Configure a GPIO as external TIM2 clock source
    GPIO_PinAFConfig(PORT_EXT_CLK, SRC_EXT_CLK, GPIO_AF_TIM2);
    GPIO_InitStruct.GPIO_Pin = PIN_EXT_CLK;
@@ -710,7 +780,7 @@ void CIO::startInt()
    TIM_TimeBaseStructInit (&timerInitStructure);
 
    // TIM2 output frequency
-#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
+#if defined(EXTERNAL_OSC) && !(defined(STM32F4_PI) || defined(STM32F722_PI))
    timerInitStructure.TIM_Prescaler = (uint16_t) ((EXTERNAL_OSC/(2*SAMP_FREQ)) - 1);
    timerInitStructure.TIM_Period = 1;
 #else
@@ -723,7 +793,7 @@ void CIO::startInt()
    timerInitStructure.TIM_RepetitionCounter = 0;
    TIM_TimeBaseInit(TIM2, &timerInitStructure);
 
-#if defined(EXTERNAL_OSC) && !defined(STM32F4_PI)
+#if defined(EXTERNAL_OSC) && !(defined(STM32F4_PI) || defined(STM32F722_PI))
    // Enable external clock
    TIM_ETRClockMode2Config(TIM2, TIM_ExtTRGPSC_OFF, TIM_ExtTRGPolarity_NonInverted, 0x00);
 #else
diff --git a/Makefile b/Makefile
index 825ad5e..308b9d5 100644
--- a/Makefile
+++ b/Makefile
@@ -122,6 +122,8 @@ DEFS_F4M=-DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DSTM32F446xx -DSTM32F4_F4M -DHSE_VA
 DEFS_NUCLEO=-DUSE_STDPERIPH_DRIVER -DSTM32F4XX -DSTM32F446xx -DSTM32F4_NUCLEO -DHSE_VALUE=$(OSC) -DMADEBYMAKEFILE
 # STM32F7 Nucleo-144 F767ZI board:
 DEFS_NUCLEO_F767=-DUSE_HAL_DRIVER -DSTM32F767xx -DSTM32F7XX -DSTM32F7_NUCLEO -DHSE_VALUE=$(OSC) -DMADEBYMAKEFILE
+# MMDVM-Pi F722 board:
+DEFS_PI_F722=-DUSE_HAL_DRIVER -DSTM32F722xx -DSTM32F7XX -DSTM32F722_PI -DHSE_VALUE=$(OSC) -DMADEBYMAKEFILE
 
 # Build compiler flags
 CFLAGS_F4=-c $(MCFLAGS_F4) $(INCLUDES_F4)
@@ -139,7 +141,7 @@ CXXFLAGS=-Os -fno-exceptions -ffunction-sections -fdata-sections -fno-builtin -f
 LDFLAGS=-Os --specs=nano.specs
 
 # Build Rules
-.PHONY: all release dis pi f4m nucleo f767 clean
+.PHONY: all release dis pi pi_f722 f4m nucleo f767 clean
 
 # Default target: Nucleo-64 F446RE board
 all: nucleo
@@ -150,6 +152,12 @@ pi: CXXFLAGS+=$(CXXFLAGS_F4) $(DEFS_PI)
 pi: LDFLAGS+=$(LDFLAGS_F4)
 pi: release_f4
 
+pi-f722: GitVersion.h
+pi-f722: CFLAGS+=$(CFLAGS_F7) $(DEFS_PI_F722)
+pi-f722: CXXFLAGS+=$(CXXFLAGS_F7) $(DEFS_PI_F722)
+pi-f722: LDFLAGS+=$(LDFLAGS_F7)
+pi-f722: release_f7
+
 f4m: GitVersion.h
 f4m: CFLAGS+=$(CFLAGS_F4) $(DEFS_F4M)
 f4m: CXXFLAGS+=$(CXXFLAGS_F4) $(DEFS_F4M)
@@ -295,6 +303,19 @@ endif
 
 deploy-f4m: deploy-pi
 
+deploy-pi-f7:
+ifneq ($(wildcard /usr/local/bin/stm32flash),)
+	-/usr/local/bin/stm32flash -i 20,-21,21:-20,21 /dev/ttyAMA0
+	-/usr/local/bin/stm32ld /dev/ttyAMA0 57600 bin/$(BINBIN_F7)
+	/usr/local/bin/stm32flash -v -w bin/$(BINBIN_F7) -g 0x0 -R -c /dev/ttyAMA0
+endif
+
+ifneq ($(wildcard /usr/bin/stm32flash),)
+	-/usr/bin/stm32flash -i 20,-21,21:-20,21 /dev/ttyAMA0
+	-/usr/bin/stm32ld /dev/ttyAMA0 57600 bin/$(BINBIN_F7)
+	/usr/bin/stm32flash -v -w bin/$(BINBIN_F7) -g 0x0 -R -c /dev/ttyAMA0
+endif
+
 # Export the current git version if the index file exists, else 000...
 GitVersion.h:
 ifdef SYSTEMROOT
diff --git a/SerialSTM.cpp b/SerialSTM.cpp
index bb1da88..9cedc00 100644
--- a/SerialSTM.cpp
+++ b/SerialSTM.cpp
@@ -27,14 +27,14 @@
 Pin definitions:
 
 - Host communication:
-USART1 - TXD PA9  - RXD PA10 (MMDVM-Pi board, MMDVM-F4M board)
+USART1 - TXD PA9  - RXD PA10 (MMDVM-Pi board, MMDVM-Pi F722 board, MMDVM-F4M board)
 USART2 - TXD PA2  - RXD PA3  (Nucleo64 F446RE board, Morpho or Arduino header)
 USART3 - TXD PC10 - RXD PC11 (Discovery board)
 USART3 - TXD PD8  - RXD PD9  (Nucleo144 F767ZI board)
 
 - Serial repeater:
 USART1 - TXD PA9  - RXD PA10 (Nucleo with Arduino header)
-UART5  - TXD PC12 - RXD PD2 (Discovery, MMDVM-Pi, MMDVM-F4M board, Nucleo64 with Morpho header and Nucleo144 F767ZI)
+UART5  - TXD PC12 - RXD PD2 (Discovery, MMDVM-Pi, MMDVM-Pi F722 board, MMDVM-F4M board, Nucleo64 with Morpho header and Nucleo144 F767ZI)
 */
 
 #if defined(STM32F4XX) || defined(STM32F7XX)
@@ -50,7 +50,7 @@ extern "C" {
 }
 
 /* ************* USART1 ***************** */
-#if defined(STM32F4_PI) || defined(STM32F4_F4M) || (defined(STM32F4_NUCLEO) && defined(STM32F4_NUCLEO_ARDUINO_HEADER))
+#if defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI) || (defined(STM32F4_NUCLEO) && defined(STM32F4_NUCLEO_ARDUINO_HEADER))
 
 volatile uint8_t  TXSerialfifo1[TX_SERIAL_FIFO_SIZE];
 volatile uint8_t  RXSerialfifo1[RX_SERIAL_FIFO_SIZE];
@@ -841,7 +841,7 @@ void CSerialPort::beginInt(uint8_t n, int speed)
       case 1U:
          #if defined(STM32F4_DISCOVERY) || defined(STM32F7_NUCLEO)
          InitUSART3(speed);
-         #elif defined(STM32F4_PI) || defined(STM32F4_F4M)
+         #elif defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI)
          InitUSART1(speed);
          #elif defined(STM32F4_NUCLEO)
          InitUSART2(speed);
@@ -865,7 +865,7 @@ int CSerialPort::availableInt(uint8_t n)
       case 1U:
          #if defined(STM32F4_DISCOVERY) || defined(STM32F7_NUCLEO)
          return AvailUSART3();
-         #elif defined(STM32F4_PI) || defined(STM32F4_F4M)
+         #elif defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI)
          return AvailUSART1();
          #elif defined(STM32F4_NUCLEO)
          return AvailUSART2();
@@ -887,7 +887,7 @@ int CSerialPort::availableForWriteInt(uint8_t n)
       case 1U:
          #if defined(STM32F4_DISCOVERY) || defined(STM32F7_NUCLEO)
          return AvailForWriteUSART3();
-         #elif defined(STM32F4_PI) || defined(STM32F4_F4M)
+         #elif defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI)
          return AvailForWriteUSART1();
          #elif defined(STM32F4_NUCLEO)
          return AvailForWriteUSART2();
@@ -909,7 +909,7 @@ uint8_t CSerialPort::readInt(uint8_t n)
       case 1U:
          #if defined(STM32F4_DISCOVERY) || defined(STM32F7_NUCLEO)
          return ReadUSART3();
-         #elif defined(STM32F4_PI) || defined(STM32F4_F4M)
+         #elif defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI)
          return ReadUSART1();
          #elif defined(STM32F4_NUCLEO)
          return ReadUSART2();
@@ -933,7 +933,7 @@ void CSerialPort::writeInt(uint8_t n, const uint8_t* data, uint16_t length, bool
          WriteUSART3(data, length);
          if (flush)
             TXSerialFlush3();
-         #elif defined(STM32F4_PI) || defined(STM32F4_F4M)
+         #elif defined(STM32F4_PI) || defined(STM32F4_F4M) || defined(STM32F722_PI)
          WriteUSART1(data, length);
          if (flush)
             TXSerialFlush1();