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ST STM32F723IE, User Manual

The ST STM32F723IE is an advanced microcontroller with unparalleled performance. Explore its full potential by accessing the comprehensive User Manual, available for free download at our website. Learn detailed operating instructions, troubleshooting tips, and maximize your experience with this cutting-edge product.

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UM
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P

mod™ 

and STMo

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c

hema

tic t

a

ble

UM2

140
 Re
v 3

41

/48

          

Table 20. STMod+ connector signals 

-

-

-

STMod+

-

-

-

ARD

PMOD

Some other AF

Basic

SW

Pin

Pin number

Pin

N/A

Basic

Some other AF

PMOD

ARD

-

CTS

MOSI5/[ADC3.7]/T14.1

CTS7

PI10=1

PF9

1

11

PB11

-

INT

SDA2/RX3/T2.4

INT

-

NSS

T5.4

NSS2

PI10=0

PI0

-

TX

SCK5/[ADC3.5]/T11.1

TX7

PH15=1

PF7

2

12

PF11

-

RST

MOSI5

RST

-

MOSI

T8.8ETR

MOSI2p PH15=0

PI3

-

RX

NSS5/[ADC3.4]/T10.1

RX7

PH15=1

PF6

3

13

PA4

-

ADC/DAC

(1)

NSS1/NSS3/CK2/[ADC2.4]/

[DACOUT1.1]

GPIO 

(PG12)

ADC

(1)

MISO

T8.4

MISO2p PH15=0

PI2

-

RTS

MISO5/[ADC3.6]/T13.1

RTS7

PI10=1

PF8

4

14

PB0

-

PWM

(1)

CTS4/[ADC1.8]/[ADC2.8]/

T1.2N/T3.3/T8.2N

GPIO 

(PH2)

PWM

(1)

SCK

T8.BKIN2

SCK2

PI10=0

PI1

-

-

-

GND

-

GND

5

15

+5 V

-

+5 V

-

-

-

-

-

-

+5 V

-

+5 V

6

16

GND

-

GND

-

-

-

SCL2

(2)

-

-

SCL2

(2)

-

PH4

7

17

PH13

-

GPIO

TX4/TXCAN1/T8.1N

-

-

-

-

[ADC1.13]/[ADC2.13]/[ADC3.13]

MOSI2s

-

PC3

8

18

PH14

-

GPIO

RX4/RXCAN1/T8.2N

-

-

-

-

[ADC1.12]/[ADC2.12]/[ADC3.12]

MISO2s

-

PC2

9

19

PA15

-

GPIO

NSS1/NSS3/RTS4/T2.1/T2.

2_ETR

-

-

SDA2 

(2)

-

NSS5

SDA2

(2)

-

PH5

10

20

PC11

-

GPIO

MISO3/RX3/RX4

-

-

1.

Exclusive use: ARDUINO

®

 or STMod+.

2.

Shared between ARDUINO

®

 and STMod+.

Summary of Contents for STM32F723IE

Page 1: ...he Discovery kit combines the STM32F723 features with 240x240 pixel LCD with touch panel SAI audio codec MEMS microphones USBs OTG HS and OTG FS Quad SPI NOR Flash memory and microSD card connector An embedded ST LINK V2 1 debugger programmer is included Specialized add on boards can be connected through the ARDUINO Uno V3 Pmod or STMod expansion connectors Pictures are not contractual Figure 1 32...

Page 2: ...de 15 5 4 Power supply 15 5 4 1 Supplying the board through the ST LINK USB port default setting 15 5 4 2 Supplying the board through a charger connected to ST LINK 16 5 4 3 Supplying the board from E5V On CN3 or CN12 connector 17 5 4 4 Supplying the board from an external power supply through USB HS 18 5 4 5 Supplying the board from an external power supply through USB FS 18 5 5 Programming debug...

Page 3: ... ST LINK V2 1 USB Micro B connector 31 6 10 Audio stereo speakers 31 6 11 Audio line connectors 31 6 11 1 Audio line output green jack connector 32 6 11 2 Audio line input blue jack connector 32 7 32F723EDISCOVERY board information 33 7 1 Product marking 33 7 2 32F723EDISCOVERY product history 33 7 2 1 Product identification 32F723EDISCO 33 7 2 2 Product identification DK32F723E AU1 33 7 3 Board r...

Page 4: ...e connector for I2C Grove boards Fanout CN3 44 C 3 2 Compatible connector for UART Grove boards Fanout CN2 44 Appendix D Federal Communications Commission FCC and Industry Canada IC Compliance Statements 45 D 1 FCC Compliance Statement 45 D 1 1 Part 15 19 45 D 1 2 Part 15 105 45 D 1 3 Part 15 21 45 D 2 IC Compliance Statement 45 D 2 1 Compliance Statement 45 D 3 Déclaration de conformité 45 Append...

Page 5: ...ection 26 Table 12 CN19 USB OTG HS Micro AB connector 28 Table 13 CN18 USB OTG FS Micro AB connector Front view 28 Table 14 Pin description of the CN17 LCD connector 29 Table 15 Pin description of the CN16 CTP connector 30 Table 16 CN1 USB Micro B connector 31 Table 17 CN5 audio line output connector 32 Table 18 CN4 audio line input connector 32 Table 19 I O assignment 35 Table 20 STMod connector ...

Page 6: ... external 5 V supply 17 Figure 11 CN8 external USB_HS supply 18 Figure 12 CN8 external USB_FS supply 18 Figure 13 CN14 Wi Fi connector Front view 23 Figure 14 P2 Pmod connector 25 Figure 15 P1 STMod connector 26 Figure 16 CN9 TAG connector 27 Figure 17 CN19 USB OTG HS Micro AB connector Front view 28 Figure 18 CN18 USB OTG FS Micro AB connector Front view 28 Figure 19 CN17 LCD connector Front view...

Page 7: ...headers for direct breadboard plug in ARDUINO Uno V3 expansion connectors 3 3 or 5 0 V power supply output for external applications Flexible power supply options ST LINK USB VBUS user USB HS and FS connectors or external sources Comprehensive free software libraries and examples available with the STM32Cube MCU Package On board ST LINK V2 1 debugger programmer with USB re enumeration capability m...

Page 8: ...lained in Table 2 Table 2 Codification explanation STM32F7XXY DISCO Description Example STM32F723E DISCO STM32F7 MCU series in STM32 32 bit Arm Cortex MCUs SRM32F7 Series XX MCU product line in the series STM32F723 Y STM32 Flash memory size E for 512 Kbytes 512 Kbytes DISCO Discovery kit Discovery kit ...

Page 9: ...ns used in the present document a Arm is a registered trademark of Arm Limited or its subsidiaries in the US and or elsewhere b Linux is a registered trademark of Linus Torvalds c macOS is a trademark of Apple Inc registered in the U S and other countries d All other trademarks are the property of their respective owners e On Windows only Table 3 ON OFF conventions Convention Definition Jumper JPx...

Page 10: ...ions of the 32F723EDISCOVERY board are shown in Figure 6 Figure 3 Hardware block diagram 1 Dotted lines identify the shared signals MSv44313V2 3 3 V power supply LEDs push buttons and wake up circuitry USB Micro AB connector USB Micro AB connector Wi Fi module connector GPIOs OTG HS OTG FS UART VCP UART SWD GPIOs GPIOs I2 C GPIOs GPIOs FMC address FMC data GPIOs HSI RTC I2 C SAI QSPI Audio codec P...

Page 11: ...r P1 Control touch panel connector CN16 Four ST MEMS microphones on DFSDM inputs U16 U17 U18 and U19 240x240 pixel TFT LCD User LEDs LD5 and LD6 ARDUINO LED LD1 ESP 01 Wi Fi connector CN14 LCD connector CN17 USB OTG HS Micro AB connector CN19 USB OTG HS overcurrent LED LD7 USB OTG HS VBUS LED LD8 USB OTG FS Micro AB connector CN18 USB OTG FS overcurrent LED LD10 USB OTG FS VBUS LED LD9 USB OTG FS ...

Page 12: ...3IEK6 MCU U8 TAG debug connector CN9 External 5 V power connector CN3 JTAG CN2 ST890CDR power limiter fault LED LD3 ST LINK V2 1 with Micro B connector CN1 STM32F103CBT6 for ST LINK U2 5 V Power LED LD2 ST LINK COM LED LD4 8 Mbit PSRAM Memory U10 Stereo speaker outputs CN10 and CN7 Audio codec U7 512 Mbit Quad SPI Flash memory U6 Stereo line in audio jack CN4 Stereo line out audio jack CN5 ...

Page 13: ...e layout and configuration 47 5 2 32F723EDISCOVERY Discovery kit mechanical drawing Figure 6 32F723EDISCOVERY mechanical drawing 1 The digital microphones marked in orange U16 U17 U18 and U19 are placed on the bottom side of the board ...

Page 14: ...hat are common to both versions V2 and V2 1 refer to the user manual ST LINK V2 in circuit debugger programmer for STM8 and STM32 UM1075 5 3 1 Drivers Before connecting the 32F723EDISCOVERY board to a Windows PC via USB a driver for ST LINK V2 1 must be installed It can be downloaded from the www st com website In case the 32F723EDISCOVERY board is connected to the PC before installing the driver ...

Page 15: ...his way the host PC USB gets connected with the ST LINK USB port through a USB Type A to Micro B cable 5 V DC power is provided by VBUS from the CN1 USB type Micro B connector of ST LINK V2 1 USB 5 V power source on ST LINK silkscreen refer to Figure 8 If the USB enumeration succeeds as explained below the ST LINK 5 V link power is enabled by asserting the PWR_ENn signal This pin is connected to t...

Page 16: ...ains set to OFF permanently and the board is not powered Only in this specific case the resistor R5 needs to be ON to allow the board to be powered anyway The LED LD2 is lit when the 32F723EDISCOVERY board is powered by the 5 V correctly Caution Do not connect a PC to the CN1 ST LINK connector when R5 is ON The PC may be damaged or the board not powered correctly 5 4 2 Supplying the board through ...

Page 17: ...1 2006 A11 2009 connected to CN3 and be Safety Extra Low Voltage SELV with limited power capability 5 V power source on E5V silkscreen refer to Figure 10 From E5V 7 12V DC power from CN12 VIN 7 12 V DC power supply is provided by an ARDUINO Uno V3 compatible shield connected to CN11 CN12 CN13 and CN15 connectors This 7 12 V VIN voltage is then converted to 5 V by U11 LDO Finally the user must fit ...

Page 18: ...gh USB FS A 5 V DC external power supply is connected to USB OTG FS Micro AB connector CN18 5 V power source on USB_FS silkscreen refer to Figure 12 Figure 12 CN8 external USB_FS supply 5 5 Programming debugging when the power supply is not from ST LINK It is mandatory to power the board first using CN3 E5V or CN12 VIN or CN18 USB FS or CN19 USB_HS then connect the USB cable to the PC Proceeding t...

Page 19: ...t succeed 5 6 Clock sources Up to 2 clock sources as described below X2 25 MHz oscillator for STM32F723IEK6 microcontroller X3 32 KHz crystal for the STM32F723IEK6 embedded RTC 5 7 Reset sources The reset signal of the 32F723EDISCOVERY board is active LOW and the reset sources include Reset button B2 ARDUINO Uno V3 shield board from CN12 Embedded ST LINK V2 1 5 8 Audio An audio codec with 4 DACs a...

Page 20: ...full speed communication via a USB Micro AB connector A USB power switch is also connected to VBUS and provides power to CN18 The green LED LD9 is lit in one of these cases Power switch is ON and the 32F723EDISCOVERY board works as a USB host VBUS is powered by another USB host when the 32F723EDISCOVERY board works as a USB device The red LED LD10 is lit when an overcurrent occurs Note 1 When the ...

Page 21: ...splay data RAM of 240x320x18 bits It performs display data RAM read write operation with no external operation clock to minimize power consumption External PSRAM can also be used to store display data LCD_RS signal is used to determine whether the bus is carrying data or control and command registers 5 15 Capacitive control touch panel Capacitive Control Touch Panel is controlled by STM32F723IEK6 ...

Page 22: ...ER Alternate function Wake up B2 BLACK RESET LD1 BLUE ARDUINO PA5 LD2 RED 5 V Power LD3 RED Fault Power Current upper than 625 mA LD4 RED GREEN ST LINK COM Green during communication LD5 RED USER1 PA7 LD6 GREEN USER2 PB1 LD7 RED USB OTG HS OVCR PH10 LD8 GREEN VBUS USB HS PB13 LD9 RED USB OTG FS OVCR PB10 LD10 GREEN VBUS USB FS PA9 ...

Page 23: ...le with ARDUINO Uno V3 standard Most shields designed for ARDUINO Uno V3 are also supported by the 32F723EDISCOVERY board The ARDUINO connectors on the 32F723EDISCOVERY board support the ARDUINO Uno V3 Caution The STM32 microcontroller I Os are 3 3 V compatible instead of 5 V for ARDUINO Uno V3 Table 6 CN14 Wi Fi module connector Pin number Wi Fi description 1 WIFI_RX 2 3 3 V 3 GPIO0 4 WIFI RST 5 ...

Page 24: ...compatible fanout board The user must select the different configurations using PMOD_SEL_0 PH15 and PMOD_SEL_1 PI10 to control the U20 STG3692QTR This quad analog SPDT Single Pole Dual Throw allows to connecting Pmod and STMod either to UART or SPI or both in the case of STMod Table 7 GPIO assignment for ARDUINO pins I O Name Pin number Name I O CN11 10 SCL2 PH4 1 1 Shared between ARDUINO and STMo...

Page 25: ...ore information about Pmod pins Table 8 GPIO assignment for Pmod pins I O Name Pin number Name I O PI0 PF9 NSS2 CTS7 1 7 INT PB11 PI3 PF7 MOSI2p TX7 2 8 RESET PF11 PI2 PF6 MISO2p RX7 3 9 GPIO0 PG12 PI1 PF8 SCK2 RTS7 4 10 GPIO1 PH2 GND 5 11 GND 3 3 V 6 12 3 3 V Table 9 Pmod SPI or UART configuration selection Pin name Pmod SPI Pmod UART PMOD_SEL_0 PH15 0 1 PMOD_SEL_1 PI10 0 1 PMOD 1 NSS CTS PMOD 2 ...

Page 26: ... 2 12 RESET PF11 PI2 PF6 MISO2p RX7 3 13 ADC1_IN14 PC4 1 1 Exclusive use ARDUINO or STMod PI1 PF8 SCK2 RTS7 4 14 TIM3_CH3 PB0 1 GND 5 15 5 V 5 V 6 16 GND PH4 2 2 Shared between ARDUINO and STMod SCL2 7 17 TX4p PH13 PC3 MOSI2s 8 18 RX4p PH14 PC2 MISO2s 9 19 PWM PA15 PH5 2 SDA2 10 20 RX4s PC11 Table 11 STMod SPI UART configuration selection Pin name STMod SPI STMod UART STMod UART and SPI 1 PMOD_SEL...

Page 27: ...ctor is a 10 pin footprint supporting SWD mode which shares the same signals as ST LINK PA13 JTMS SWDIO PA14 JTCLK SWCLK PB3 JTDO SWO PB4 NRST A cable is used to link ST LINK and TAG connectors so users can easily program and debug the STM32 without using any extra accessories Figure 16 CN9 TAG connector PMOD 4 SCK RTS SCK STMod 8 N A N A MOSIs STMod 9 N A N A MISOs 1 Default configuration Table 1...

Page 28: ... 6 CN18 USB OTG FS Micro AB connector Figure 18 CN18 USB OTG FS Micro AB connector Front view Note U14 STMPS provides VBUS It is active low controlled by PG8 Overcurrent is sent to PB10 interrupt Table 12 CN19 USB OTG HS Micro AB connector Pin number Description Pin number Description 1 VBUS 4 ID 2 D 5 GND 3 D Table 13 CN18 USB OTG FS Micro AB connector Front view Pin number Description Pin number...

Page 29: ...er Description Pin connection 1 GND GND 2 FMARK PC8 TE INT 3 DB15 FMC_D15 4 DB14 FMC_D14 5 DB13 FMC_D13 6 DB12 FMC_D12 7 DB11 FMC_D11 8 DB10 FMC_D10 9 DB9 FMC_D9 10 DB8 FMC_D8 11 DB7 FMC_D7 12 DB6 FMC_D6 13 DB5 FMC_D5 14 DB4 FMC_D4 15 DB3 FMC_D3 16 DB2 FMC_D2 17 DB1 FMC_D1 18 DB0 FMC_D0 19 NRD FMC_NOE 20 NWR FMC_NWE 21 RS PF0 FMC_A0 22 NCS PG9 NE 23 RESET PH7 LCD_RST 24 IM VDD 25 IOVCC VDD 26 VCI ...

Page 30: ...6 8 Control Touch Panel CTP connector Figure 20 CN16 CTP connector Front view Table 15 Pin description of the CN16 CTP connector Pin number Description 1 GND 2 INT 3 GND 4 SDA 5 SCL 6 GND 7 RESET 8 IOVCC 9 VDD 10 GND MSv44385V1 CN16 10 6 5 ...

Page 31: ...6 microcontroller Figure 21 CN1 USB Micro B connector front view 6 10 Audio stereo speakers The CN10 and CN7 stereo audio outputs are available to support stereo speakers left and right respectively 6 11 Audio line connectors Figure 22 Mechanical drawing of the audio line connector Table 16 CN1 USB Micro B connector Pin number Description Pin number Description 1 VBUS power 4 GND 2 DM 5 6 Shield 3...

Page 32: ... the headphone Refer to Figure 22 6 11 2 Audio line input blue jack connector A CN4 3 5 mm stereo audio blue jack input is available to support the audio line input Refer to Figure 22 Table 17 CN5 audio line output connector Pin number Description 3 GND 4 Right 6 Left Table 18 CN4 audio line input connector Pin number Description 3 GND 4 Right 6 Left ...

Page 33: ...E or ES marking examples of location On the targeted STM32 that is soldered on the board For an illustration of STM32 marking refer to the STM32 datasheet Package information paragraph at the www st com website Next to the evaluation tool ordering part number that is stuck or silk screen printed on the board Some boards feature a specific STM32 device version which allows the operation of any bund...

Page 34: ...02 D CTQ with impact on firmware Several part references updated due to obsolescence such as MEMS microphones or others Refer to the bill of materials for details Board limitations No demonstration software is provided from this revision 7 3 3 Board MB1280 revision A 03 The revision A 03 is the initial release of the MB1280 fanout daughterboard Board limitations The Grove connector does not suppor...

Page 35: ...O_0 A9 PB4 SPI1_MISO ARD_D12_SPI1_MISO A10 PB3 SYS_JTDO SWO A11 PD7 FMC_NE1 A12 PC12 UART5_TX UART_TXD_WIFI_RX A13 PA15 TIM2_CH1 STMOD _TIM2_CH1_2_ETR A14 PA14 SYS_JTCK SWCLK A15 PA13 SYS_JTMS SWDIO B1 PE4 GPIO_Output ARD_D8_GPIO B2 PE5 TIM9_CH1 ARD_D3_TIM9_CH1 B3 PE6 TIM9_CH2 ARD_D6_TIM9_CH2 B4 PB9 I2C1_SDA B5 PB7 FMC_NL B6 PB6 QUADSPI_BK1_NCS B7 PG15 GPIO_EXTI15 SAI2_INT B8 PG12 GPIO_Output PMOD...

Page 36: ... PMOD_SPI2_SCK D15 PA10 GPIO_Output USB_OTG_FS_ID E1 PC14 OSC32_IN RCC_OSC32_IN E2 PF0 FMC_A0 E3 PI10 GPIO_Output E12 PH13 UART4_TX STMOD _UART4_TXD E13 PH14 UART4_RX STMOD _UART4_RXD E14 PI0 SPI2_NSS PMOD_SPI2_NSS E15 PA9 USB_OTG_FS_VBUS F1 PC15 OSC32_OUT RCC_OSC32_OUT F4 PH2 GPIO_Output PMOD_GPIO_1 F14 PC9 QUADSPI_BK1_IO0 F15 PA8 I2C3_SCL G1 PH0 OSC_IN RCC_OSC_IN G4 PH3 GPIO_Output ARD_D4_GPIO G...

Page 37: ...PF9 UART7_CTS PMOD_UART7_CTS L3 PF8 UART7_RTS PMOD_UART7_RTS L12 PH11 TIM5_CH2 L13 PH10 GPIO_Input USB_OTGHS_OVCR_INT L14 PD15 FMC_D1 L15 PG2 FMC_A12 M2 PC0 ADC2_IN10 M3 PC1 ADC2_IN11 M4 PC2 SPI2_MISO STMOD _SPI2_MISOs M5 PC3 SPI2_MOSI STMOD _SPI2_MOSIs M6 PB2 QUADSPI_CLK M7 PG1 FMC_A11 M11 PH6 TIM12_CH1 ARD_D9_TIM12_CH1 M12 PH8 I2C3_SDA M13 PH9 GPIO_Output CTP_RST M14 PD14 FMC_D0 M15 PD13 QUADSPI...

Page 38: ... P8 PE8 FMC_D5 P9 PE9 FMC_D6 P10 PE11 FMC_D8 P11 PE14 FMC_D11 P12 PB12 GPIO_Output USB_OTG_HS_ID P13 PB13 GPIO_EXTI13 USB_OTG_HS_VBUS P14 PD9 FMC_D14 P15 PD8 FMC_D13 R2 PA3 USART2_RX ARD_D0_USART2_RX R3 PA7 GPIO_Output SYS_LD_USER1 R4 PB1 GPIO_Output SYS_LD_USER2 R5 PB0 TIM3_CH3 ARD_D5_STMOD _TIM3_CH3 2 R6 PF11 GPIO_Input PMOD_RESET R7 PF14 FMC_A8 R8 PE7 FMC_D4 R9 PE10 FMC_D7 R10 PE12 FMC_D9 R11 P...

Page 39: ...32F723EDISCOVERY Discovery board I O assignment 47 R14 PB14 USB_OTG_HS_DM R15 PB15 USB_OTG_HS_DP 1 Shared between ARDUINO and STMod 2 Exclusive use ARDUINO or STMod Table 19 I O assignment continued Pin number Pin Function Label ...

Page 40: ... Uno V3 A switch controlled by software is present to select which function is used using PI10 and PH15 PIOs Analog signals are in brackets xxx The I2 C bus is shared with the ARDUINO Uno V3 connectors It is recommended to check the device slave address when adding it to the bus Refer to the following list of acronyms before reading Table 20 RTS7 stands for USART7_RTS ADC2 4 stands for ADC_2_IN4 T...

Page 41: ...15 1 PF6 3 13 PA4 ADC DAC 1 NSS1 NSS3 CK2 ADC2 4 DACOUT1 1 GPIO PG12 ADC 1 MISO T8 4 MISO2p PH15 0 PI2 RTS MISO5 ADC3 6 T13 1 RTS7 PI10 1 PF8 4 14 PB0 PWM 1 CTS4 ADC1 8 ADC2 8 T1 2N T3 3 T8 2N GPIO PH2 PWM 1 SCK T8 BKIN2 SCK2 PI10 0 PI1 GND GND 5 15 5 V 5 V 5 V 5 V 6 16 GND GND SCL2 2 SCL2 2 PH4 7 17 PH13 GPIO TX4 TXCAN1 T8 1N ADC1 13 ADC2 13 ADC3 13 MOSI2s PC3 8 18 PH14 GPIO RX4 RXCAN1 T8 2N ADC1...

Page 42: ...s to CN10 and CN11 MikroElektronika Click board compatible 1x8 pin female connectors CN4 ESP 01 compatible 2x4 pin female connector CN2 and CN3 Seeed Studio Grove compatible 1x4 pin male connectors Reserved standard 2 54 mm pitch of STMod pin header for breadboard The main active component for this fanout board is the U1 3 3 V 200 mA regulator Figure 23 STMod Fanout module plugged into the P1 conn...

Page 43: ...connector pins STMod connector CN11 number Function of mikroBUS Pin number Pin number Function of mikroBUS STMod connector CN10 number STMod 13 ADC 1 1 Exclusive use ARDUINO or STMod AN 1 1 PWM STMod 14 PWM 1 STMod 12 RST RST 2 2 INT STMod 11 INT STMod 1 NSS CS 3 3 RX STMod 3 RX STMod 4 SCK SCK 4 4 TX STMod 2 TX STMod 9 MISOs MISO 5 5 SCL STMod 7 SCL 2 2 Shared with ARDUINO STMod 8 MOSIs MOSI 6 6 ...

Page 44: ...shows the definition of the pins C 3 2 Compatible connector for UART Grove boards Fanout CN2 The CN2 connector is compatible with Grove NFC boards using cable for connection Table 24 shows the definition of the pins Table 23 Description of the I2 C Grove board connector pins CN3 STMod connector Function of Grove CN3 PIN number STMod 7 SCL SCL 1 STMod 10 SDA SDA 2 5 V VCC 3 GND 4 Table 24 Descripti...

Page 45: ...sonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in whic...

Page 46: ...CISPR32 UM2140 46 48 UM2140 Rev 3 Appendix E CISPR32 E 1 Warning Warning This device is compliant with Class A of CISPR32 In a residential environment this equipment may cause radio interference ...

Page 47: ... 28 Apr 2017 2 Updated Section Appendix B Electrical schematics 16 Dec 2021 3 Reshuffle of the document to align with latest standards Introduction to Conventions reordering New Table 2 Codification explanation and Section 7 32F723EDISCOVERY board information Updated Introduction and Features Removed Demonstration software and Electrical schematics ...

Page 48: ...election and use of ST products 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 ad...

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