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Appendix A

STM32H735G-DK I/O assignment

Table 24.

STM32H735G-DK I/O assignment

Pin number

GPIO port

Signal or label

Comment

PA0

ARD_D3

TIM5_CH1

PA1

RMII_REF_CLK

PA2

RMII_MDIO

PA3

LCD_B5

PA4

LCD_VSYNC

PA5

STMOD#13-ADC

ADC12_INP19 II DAC1_OUT2

PA6

LCD_G2

PA7

RMII_CRS_DV

B14

PA8

LCD_B3

D13

PA9

USB_FS_VBUS

C14

PA10

USB_FS_ID

C15

PA11

USB_FS_DM

B15

PA12

USB_FS_DP

B13

PA13

JTMS

SWDIO

A12

PA14

JTCK

SWCLK

A11

PA15

JTDI

PB0

LCD_G1

PB1

LCD_G0

PB2

OCSPI1_DQS

PB3

JTDO/TRACESWO

PB4

NJTRST

PB5

FDCAN2_RX

PB6

FDCAN2_TX

PB7

ARD_D9

TIM4_CH2

PB8

LCD_B6

PB9

LCD_B7

N12

PB10

RMII_RX_ER

P10

PB11

RMII_TX_EN

M15

PB12

RMII_TXD0

L15

PB13

RMII_TXD1

K15

PB14

ARD_D1

USART1_TX

K14

PB15

ARD_D0

USART1_RX

PC0

ARD_A0

ADC123_INP10

PC1

RMII_MDC

PC2

USER_LED2

PC3

USER_LED1

PC4

RMII_RXD0

UM2679

STM32H735G-DK I/O assignment

UM2679

Rev 1

page 30/42

Содержание STM32H735G-DK

Страница 1: ...ckly and develop applications easily The hardware features on the board help to evaluate the following peripherals USB OTG FS 10 100 Mbit Ethernet microSD USART SAI audio codec stereo with two audio jacks for input output ST MEMS digital microphone 128 Mbit HyperRAM memory 512 Mbit Octo SPI NOR Flash memory CAN FD 20 pin microphone MEMS connector with DFSDM interface 4 3 inch RGB TFT LCD display w...

Страница 2: ...t SMA connector Arm Cortex 10 pin 1 27 mm pitch debug connector over STDC14 footprint ARDUINO Uno V3 expansion connector STMod expansion connector Pmod Type 2A and Type 4A expansion connector Audio MEMS daughterboard expansion connector Flexible power supply options STLINK V3E USB connector USB OTG FS connector 5 V delivered by RJ45 Power over Ethernet 5 V delivered by ARDUINO USB charger On board...

Страница 3: ...e www st com website Next to the evaluation tool ordering part number that is stuck or silk screen printed on the board This board features a specific STM32 device version which allows the operation of any bundled commercial stack library available This STM32 device shows a U marking option at the end of the standard part number and is not available for sales In order to use the same commercial st...

Страница 4: ...r respective owners 3 2 Development toolchains IAR Systems IAR Embedded Workbench 1 Keil MDK ARM 1 STMicroelectronics STM32CubeIDE 1 On Windows only 3 3 Demonstration software The demonstration software included in the STM32Cube MCU Package corresponding to the on board microcontroller is preloaded in the STM32 Flash memory for easy demonstration of the device peripherals in standalone mode The la...

Страница 5: ...efinition Jumper JPx ON Jumper fitted Jumper JPx OFF Jumper not fitted Jumper JPx 1 2 Jumper fitted between Pin 1 and Pin 2 Solder bridge SBx ON SBx connections closed by 0 Ω resistor Solder bridge SBx OFF SBx connections left open Resistor Rx ON Resistor soldered Resistor Rx OFF Resistor not soldered UM2679 Conventions UM2679 Rev 1 page 5 42 ...

Страница 6: ...ents are not firmly fixed in their sockets or loose in the plastic bag In particular pay attention to the following component TFT display MB1315 daughterboard in the CN19 connector For product information related to the STM32H735IGK6U microcontroller visit the www st com website UM2679 Delivery recommendations UM2679 Rev 1 page 6 42 ...

Страница 7: ...32H735G DK board Figure 3 Hardware block diagram GPIO OCTOSPI2 128 Mbit HyperRAMTM SWD 4 3 inch RGB LCD OCTOSPI1 Audio codec and amplifier microSDTM connector PWR supply SDIO1 PWR UART7 USART3 LCD DFSDM1 RTC HSE PDM SAI1 STLINK V3E 32 768 kHz crystal 25 MHz oscillator 512 Mbit Octo SPI Flash Tag connector SWD connector USB connector Audio connector 5 MEMS microphones User LEDs OTG FS STM32H735IG T...

Страница 8: ...iew CN3 Ethernet connector CN6 DFU connector U13 MCU STLINK V3E LD5 5V Power LED CN14 USB OTG FS connector U6 STM32H735IGK6U U7 HyperRAMTM CN12 Right speaker connector CN16 17 18 CAN FD connectors CN10 Line out connector CN11 Line in connector JP7 Power selector CN15 USB ST LINK connector LD6 ST LINK COM LED CN1 ADC_IN connector CN2 microSDTM connector U10 Octo SPI Flash CN7 MIPI 10 connector CN13...

Страница 9: ...op view in millimeters 159 00 88 00 Figure 7 STM32H735G DK mechanical dimensions bottom view in millimeters 5 00 5 00 33 00 5 00 5 00 21 25 5 00 20 20 21 25 5 00 5 00 20 20 31 30 5 00 UM2679 Hardware layout and configuration UM2679 Rev 1 page 9 42 ...

Страница 10: ...are update feature DFU CN6 STDC14 MIPI10 compatible connector CN7 LD6 status LED COM which blinks during communication with the PC LD3 fault red LED OC alerting on USB overcurrent request 5 V 500 mA output power supply capability U23 with current limitation and LED LD5 5 V power green LED 5V 6 1 2 Drivers Before connecting the STM32H735G DK board to a Windows PC via USB the user must install a dri...

Страница 11: ...onnector 2 Set the embedded STLINK V3E in a high impedance state When setting the jumper JP3 STLK_RST ON the embedded STLINK V3E is in RESET state and all GPIOs are in high impedance Then the user can connect his external debug tool on the debug connector CN7 Figure 9 Connecting an external debug tool to program the on board STM32 JP3 STLK_RST CN7 External debug tool connector JP7 Power supply sel...

Страница 12: ...5V is present All supply lines required for the operation of the STM32H735G DK components are derived from this 5V line Note The Discovery board must be powered by a power supply unit or by auxiliary equipment complying with the standard EN 60950 1 2006 A11 2009 and must be Safety Extra Low Voltage SELV with limited power capability 6 2 1 Supplying the board through the STLINK V3E USB port 5 V 500...

Страница 13: ...mA input current when 9 V VIN 12 V 6 2 3 Supplying the board with an external USB charger 5 V When the STM32H735G DK board is powered by an external USB charger through CN15 refer to Table 6 the jumper must be placed on pin 9 10 of JP7 CHGR on the silkscreen Note that in this power supply mode the debug features are not available Table 6 External power source 5V_USB_CHGR Input power name Connector...

Страница 14: ...e the user Flash 5 Power off the board and set SW1 to 0 6 The board is recovered and can be used normally with matching firmware PWR Table 7 Internal SMPS LDO and board configuration 1 Config1 LDO ON SMPS OFF Config2 SMPS ON LDO OFF Default config Config3 SMPS and LDO cascaded SMPS ON LDO ON SB1 ON OFF OFF SB2 OFF ON OFF SB3 ON OFF ON SB13 ON ON ON SB16 OFF OFF OFF SB18 OFF OFF OFF SB19 ON OFF ON ...

Страница 15: ...ton Embedded STLINK V3E ARDUINO Uno shield board through CN5 connector pin 3 STDC14 receiver TAG connector The general reset is connected to following Peripheral reset function Octo SPI Flash memory reset LCD reset Option not connected by default HyperRAM memory Ethernet UM2679 Reset sources UM2679 Rev 1 page 15 42 ...

Страница 16: ...35G DK board must be powered by an external power supply when using the OTG function 7 3 Ethernet The STM32H735G DK board supports 10 100 Mbit Ethernet communication with a MICROCHIP LAN8742A CZ TR PHY and integrates an RJ45 connector CN3 The Ethernet PHY is connected to the STM32H735IGK6U microcontroller via an RMII interface The PHY 25 MHz clock is generated from the X1 oscillator while the PHY ...

Страница 17: ...on the microphone can be connected to U12 Wolfson WM8994 audio codec device In that configuration WM8994 also supplies the PDM clock to the microphone Regardless of the microphone routing STM32H735IGK6U or WM8994 codec the power can be supplied either by the 3V3 or the MICBIAS1 output of the WM8994 codec device Table 8 shows the settings of all solder bridges associated with the digital microphone...

Страница 18: ... board 7 9 HyperRAM memory The STM32H735G DK board adds an external 128 Mbit HyperRAM S70KL1281DABHI023 from Cypress that is connected to the STM32H735IGK6U via the OCTOSPI2 interface 7 10 Virtual COM port The serial interface USART3 PD8 PD9 that supports the bootloader is directly available as a Virtual COM port of the PC connected to STLINK V3E USB connector CN15 The VCP configuration is the fol...

Страница 19: ...s to the LED indicators Table 10 Button and LED control port Reference Color Name Comment B1 BLACK RESET B2 BLUE USER Wake up alternate function LD7 RED USB_FS_OVCR PG13 LD6 BICOLOR RED GREEN STLINK V3E COM Green when communication ongoing LD3 RED STLINK V3E Over Current LD4 GREEN VBUS USB FS PA9 LD5 GREEN POWER 5V power supply available LD2 RED USER2 PC2 LD1 GREEN USER1 PC3 LD8 GREEN ARDUINO PF7 ...

Страница 20: ...r pinout Connector Pin number Pin name Signal name ST LINK MCU pin Function CN15 1 VBUS 5V_USB_CHARGER 5 V power 2 DM USB_DEV_HS_CN_N PB14 USB differential pair M 3 DP USB_DEV_HS_CN_P PB15 USB differential pair P 4 ID 5 GND GND 8 2 CN14 USB OTG FS Micro AB connector A USB OTG full speed communication link is available at CN14 USB Micro AB receptacle connector Micro AB receptacle enables USB Host a...

Страница 21: ...ur data bits of the SDIO1 interface CLK and CMD signals of the STM32H735IGK6U are used to communicate with the microSD card The card insertion is detected by the μSD_Detect signal When a microSD card is inserted the μSD_Detect level is LOW otherwise it is HIGH Figure 12 CN2 microSD card connector Table 13 CN2 microSD connector pinout Pin number Description MCU port Pin number Description MCU port ...

Страница 22: ...is designed to support an ST dedicated fan out board to connect different modules or board extensions from different manufacturers The fan out board also embeds a 3 3 V regulator and I2C level shifters For more detailed information on the fan out board refer to the user manual STMod fan out expansion board for STM32 Discovery kits and Evaluation boards UM2695 For details about STMod interface refe...

Страница 23: ...Discovery board is compatible with the Pmod type 2A and 4A I O signal assignment convention Figure 14 P1 Pmod connector Table 16 P1 Pmod connector pinout Pin number Description Pin number Description 1 SPI5_NSS USART7_CTS PF6 PF9 7 INT PH12 2 SPI5_MOSI USART7_TX PF9 PF7 8 RESET PH1 3 SPI5_MISO USART7_RX PF8 PF6 9 NA 4 SPI5_SCK USART7_RTS PF7 PF8 10 NA 5 GND 11 GND 6 3V3 12 3V3 Limitations On the S...

Страница 24: ... pitch audio connector 20021311 00020T4LF from AMPHENOL FCI is used for audio MEMS expansion daughterboard using the DFSDM interface The reference to be used is the MB1299 MEMS microphones daughterboard The MB1299 embeds five digital MEMS microphones MP34DT01TR M from STMicroelectronics Figure 16 CN20 audio connector Table 18 CN20 audio connector pinout Pin number Function MCU port Pin number Func...

Страница 25: ...D touchscreen board Table 19 shows the assignment of CN19 and STM32H735IGK6U terminals Figure 17 CN19 TFT LCD display connector Table 19 CN19 TFT LCD display connector MCU port Signal name CN19 pin number Signal name MCU port GND 1 2 GND PE0 LCD_R0 3 4 LCD_G0 PB1 PH3 LCD_R1 5 6 LCD_G1 PB0 PH8 LCD_R2 7 8 LCD_G2 PA6 PH9 LCD_R3 9 10 LCD_G3 PE11 PH10 LCD_R4 11 12 LCD_G4 PH15 PH11 LCD_R5 13 14 LCD_G5 P...

Страница 26: ...and the CN3 integrated RJ45 connector The Ethernet PHY is connected to the STM32H735IGK6 microcontroller through an RMII interface The PHY 25 MHz clock is generated from the X1 oscillator while the STM32H735IGK6 50 MHz clock is generated by the PHY RMII_REF_CLK Figure 18 CN3 Ethernet RJ45 connector The related pinout for the Ethernet connector is listed inTable 20 Table 20 CN3 Ethernet connector p...

Страница 27: ..._L 33 Ω typical 8 11 CN11 audio blue jack line in A CN11 3 5 mm stereo audio blue jack input is available on the STM32H735G DK board for audio line input 8 12 CN1 50 Ω SMA connector for ADC input A CN1 50 Ω SMA connector is available on the STM32H735G DK board It can be connected either to a 16 bit ADC input or to a 12 bit ADC input of the STM32H735IGK6U microcontroller In order to get good ADC pe...

Страница 28: ...DUINO OFF ON PC2C_C not connected to ADC_IN PC2_C connected to ARD_A4 CN9 ARDUINO 1 The default configuration is shown in bold 8 13 CN4 CN5 CN8 and CN9 ARDUINO Uno V3 connectors CN4 CN5 CN8 and CN9 ARDUINO Uno V3 connectors are female connectors compatible with ARDUINO Uno Revision 3 standard Most shields designed for ARDUINO Uno V3 fit the STM32H735G DK board Important The STM32 microcontroller I...

Страница 29: ...4 5 3 A2 PA0_C ADC12_INP0 TIM5_CH1 PA0 D3 4 4 A3 PA1_C ADC12_INP1 PG3 D2 3 5 A4 PC2_C or PF15 1 ADC3_INP0 or I2C4_SDA 1 UART1_TX PB14 D1 2 6 A5 PC3_C or PF14 1 ADC3_INP1 or I2C4_SCL 1 UART1_RX PB15 D0 1 1 By default Pin 5 and Pin 6 of connector CN9 are connected to ADC MCU input ports PC2_C and PC3_C respectively thanks to the configuration of solder bridges SB32 and SB33 ON SB31 and SB34 OFF In c...

Страница 30: ...ID C15 PA11 USB_FS_DM B15 PA12 USB_FS_DP B13 PA13 JTMS SWDIO A12 PA14 JTCK SWCLK A11 PA15 JTDI R8 PB0 LCD_G1 M8 PB1 LCD_G0 P7 PB2 OCSPI1_DQS A6 PB3 JTDO TRACESWO B6 PB4 NJTRST C6 PB5 FDCAN2_RX A5 PB6 FDCAN2_TX B5 PB7 ARD_D9 TIM4_CH2 A2 PB8 LCD_B6 B3 PB9 LCD_B7 N12 PB10 RMII_RX_ER P10 PB11 RMII_TX_EN M15 PB12 RMII_TXD0 L15 PB13 RMII_TXD1 K15 PB14 ARD_D1 USART1_TX K14 PB15 ARD_D0 USART1_RX L2 PC0 AR...

Страница 31: ...PI1_IO5 D9 PD6 LCD_B2 B8 PD7 OCSPI1_IO7 L14 PD8 T_VCP_TX USART3_TX K13 PD9 T_VCP_RX USART3_RX L13 PD10 LCD_DISP J13 PD11 OCSPI1_IO0 J15 PD12 OCSPI1_IO1 H15 PD13 OCSPI1_IO3 H14 PD14 STMOD 14 PWM J12 PD15 ARD_D6 TIM4_CH4 B4 PE0 LCD_R0 C4 PE1 LCD_R6 C3 PE2 OCSPI1_IO2 B2 PE3 ARD_D8 B1 PE4 SAI4_D2 D3 PE5 SAI4_CK2 E3 PE6 SAI1_SD_A P9 PE7 STMOD 17 IO II DFSDM1_DATIN2 N8 PE8 Audio_Int R11 PE9 STMOD 18 IO ...

Страница 32: ...B SPI5_MISO II UART7_RTS II SAI1_SCK_B J4 PF9 STMOD 4 ARD_D11 SAI1_FS_B SPI5_MOSI II UART7_CTS II SAI1_FS_B K3 PF10 OCSPI1_CLK N7 PF11 STMOD 8 MOSIs SPI5_MOSI P11 PF12 OCSPI2_DQS N11 PF13 STMOD 20 IO II DFSDM1_DATIN6 R10 PF14 STMOD 7 SCL I2C4_SCL N10 PF15 STMOD 10 SDA I2C4_SDA P8 PG0 OCSPI2_IO4 N9 PG1 OCSPI2_IO5 G15 PG2 CTP_INT H13 PG3 ARD_D2 G14 PG4 ARD_D4 F15 PG5 ARD_D7 F14 PG6 OCSPI1_NCS G13 PG...

Страница 33: ...6 LCD_RST M11 PH7 STMOD 9 MISOs SPI5_MISO N13 PH8 LCD_R2 M14 PH9 LCD_R3 N14 PH10 LCD_R4 M13 PH11 LCD_R5 N15 PH12 STMOD 11 INT C13 PH13 FDCAN1_TX B12 PH14 FDCAN1_RX D12 PH15 LCD_G4 R3 PA0_C ADC_IN ARD_A2 ADC12_INP0 P3 PA1_C ARD_A3 ADC12_INP1 N1 PC2_C ARD_A4 ADC3_INP0 N2 PC3_C ARD_A5 ADC3_INP1 L1 NRST NRST C5 BOOT0 BOOT0 D4 PDR_ON PDR_ON UM2679 STM32H735G DK I O assignment UM2679 Rev 1 page 33 42 ...

Страница 34: ...rty in the USA Terry Blanchard Americas Region Legal Group Vice President and Regional Legal Counsel The Americas STMicroelectronics Inc 750 Canyon Drive Suite 300 Coppell Texas 75019 USA Telephone 1 972 466 7845 B 2 IC Compliance Statement This device complies with FCC and Industry Canada RF radiation exposure limits set forth for general population for mobile application uncontrolled exposure Th...

Страница 35: ...ith Class A of EN55032 CISPR32 In a residential environment this equipment may cause radio interference Avertissement cet équipement est conforme à la Classe A de la EN55032 CISPR 32 Dans un environnement résidentiel cet équipement peut créer des interférences radio UM2679 CE conformity UM2679 Rev 1 page 35 42 ...

Страница 36: ...Revision history Table 25 Document revision history Date Revision Changes 30 Apr 2020 1 Initial release UM2679 UM2679 Rev 1 page 36 42 ...

Страница 37: ...1 6 1 4 Using an external debug tool to program and debug the on board STM32 11 6 2 Power supply 12 6 2 1 Supplying the board through the STLINK V3E USB port 5 V 500 mA 12 6 2 2 Supplying the board from VIN 7 V to 12 V 800 mA 12 6 2 3 Supplying the board with an external USB charger 5 V 13 6 2 4 MCU power supply SMPS or LDO configurations 13 6 3 MCU current consumption measurement 14 6 4 Clock sou...

Страница 38: ...24 8 7 CN20 audio connector 24 8 8 CN19 TFT LCD display connector 25 8 9 CN3 Ethernet RJ45 connector 26 8 10 CN10 audio green jack line out 27 8 11 CN11 audio blue jack line in 27 8 12 CN1 50 Ω SMA connector for ADC input 27 8 13 CN4 CN5 CN8 and CN9 ARDUINO Uno V3 connectors 28 Appendix A STM32H735G DK I O assignment 30 Appendix B Federal Communications Commission FCC and Industry Canada IC Compli...

Страница 39: ...Contents 37 List of tables 40 List of figures 41 UM2679 Contents UM2679 Rev 1 page 39 42 ...

Страница 40: ...icro B connector pinout 20 Table 12 CN14 USB OTG FS Micro AB connector pinout 21 Table 13 CN2 microSD connector pinout 21 Table 14 P2 STMod connector pinout 22 Table 15 P2 STMod connector pinout 22 Table 16 P1 Pmod connector pinout 23 Table 17 CN21 TAG connector pinout 24 Table 18 CN20 audio connector pinout 24 Table 19 CN19 TFT LCD display connector 25 Table 20 CN3 Ethernet connector pinout 26 Ta...

Страница 41: ... Figure 8 USB composite device 10 Figure 9 Connecting an external debug tool to program the on board STM32 11 Figure 10 CN15 Micro B connector Front view 20 Figure 11 CN14 USB OTG FS Micro AB connector Front view 20 Figure 12 CN2 microSD card connector 21 Figure 13 P2 STMod connector 22 Figure 14 P1 Pmod connector 23 Figure 15 CN21 TAG connector 24 Figure 16 CN20 audio connector 24 Figure 17 CN19 ...

Страница 42: ...cts and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product ST and the ST logo are trademarks of ST For additional information about S...

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