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CISPR32

UM2271

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DocID030906 Rev 2

Appendix G

CISPR32

G.1 Warning

Warning: This device is compliant with Class A of CISPR32. In a residential environment,
this equipment may cause radio interference.

Avertissement: Cet équipement est conforme à la Classe A de la CISPR 32. Dans un
environnement résidentiel, cet équipement peut créer des interférences radio.

Содержание 32L4R9IDISCOVERY

Страница 1: ...bit ADC one 12 bit DAC two ULP analog comparators two op amps one 2 data lane DSI display one digital filter for sigma delta modulator and SWP interface two Octo SPI interfaces 8 to 14 bit camera inte...

Страница 2: ...IDISCOVERY layout 13 10 2 32L4R9IDISCOVERY mechanical drawing 15 10 3 Embedded ST_LINK V2 1 16 10 3 1 Drivers 17 10 3 2 ST LINK V2 1 firmware upgrade 17 10 4 Low power consumption status 17 10 5 TAG a...

Страница 3: ...anel connector CN4 30 11 2 1 DSI AMOLED display 32 11 2 2 Backlight and OLED power supplies generation 32 11 2 3 Touch panel 32 11 3 USB OTG FS connector CN9 33 11 4 ST LINK V2 1 USB Micro B connector...

Страница 4: ...ompatible connector for I2C Grove boards Fanout CN3 72 E 3 2 Compatible connector for UART Grove boards Fanout CN2 73 Appendix F Federal Communications Commission FCC and Industry Canada IC Compliance...

Страница 5: ...Micro B connector CN13 34 Table 18 microSD connector CN6 35 Table 19 STMod connector CN1 36 Table 20 Quad SPDT switch configuration 36 Table 21 PMOD connector CN3 37 Table 22 Camera module connector C...

Страница 6: ...tor CN2 38 Figure 17 TAG connector CN8 39 Figure 18 EXT_I2C connector CN7 40 Figure 19 Stereo headset with microphone jack CN12 41 Figure 20 32L4R9IDISCOVERY board interconnections MB1311C 55 Figure 2...

Страница 7: ...FS with Micro AB Stereo headset jack including analog microphone input microSD card Board expansion connectors Arduino Uno V3 STMod PMOD EXT_I2C Flexible power supply options ST LINK USB VBUS or exte...

Страница 8: ...tack or library This STM32 device shows a U marking option at the end of the standard part number and is not available for sales 3 System requirements Windows OS 7 8 and 10 Linux 64 bit or macOS USB T...

Страница 9: ...y partners MACRONIX 512 Mbit Octo SPI NOR Flash memory device part number MX25LM51245GXDI00 GOVISIONOX OPTOELECTRONICS 1 2 inch 390x390 AMOLED display part number G1120TB103GF 001 Table 1 Ordering inf...

Страница 10: ...of the package marking takes Y WW format where Y is the last digit of the year and WW is the week For example a part manufactured in week 38 of 2017 bares the date code 7 38 There is also another mea...

Страница 11: ...package DSI version The hardware block diagram Figure 3 illustrates the connection between STM32L4R9AI and peripherals PSRAM Octo SPI Flash DSI color display USB OTG connector USART audio camera conne...

Страница 12: ...6 38 57 6 27 5 FRQQHFWRU 302 670RG 5HVHW EXWWRQ R VWLFN 567Q 3 2 670 5 6 6 0ELW DV QFKURQRXV 365 0 9 9 SRZHU VXSSO 67 1 9 FU VWDO 0 FU VWDO 0ELW 2FWR 63 ODVK PHPRU 7 FRQQHFWRU 6 FRQQHFWRU 0 0V PLFURSK...

Страница 13: ...igure 4 32L4R9IDISCOVERY top side layout 06Y 9 8 8 0LFURSKRQHV 8 365 0 8 670 5 1 DPHUD FRQQHFWRU 1 670RG FRQQHFWRU 1 302 FRQQHFWRU 3 3RZHU KHDGHU 3 9 B 9 86 1 6 FRQQHFWRU 3 5 B 1 287 1 7 FRQQHFWRU 1 7...

Страница 14: ...2271 14 78 DocID030906 Rev 2 Figure 5 32L4R9IDISCOVERY bottom side layout 06Y 9 1 1 UGXLQR FRQQHFWRUV 1 XGLR MDFN 8 XGLR FRGHF 3 9 3 9 SRZHU 8 2FWR 63 ODVK PHPRU 1 86 67 1 8 67 1 0 8 3 966B67 6 6ZLWFK...

Страница 15: ...tion 77 10 2 32L4R9IDISCOVERY mechanical drawing Figure 6 32L4R9IDISCOVERY mechanical drawing top view in mm Legend Indicates the mounting hole between the 32L4R9IDISCOVERY board at the top of Figure...

Страница 16: ...ared to ST LINK V2 the changes are listed below new features supported on ST LINK V2 1 USB software re enumeration Virtual Com port interface on USB Mass storage interface on USB USB power management...

Страница 17: ...for in situ upgrade through the USB port As the firmware may evolve during the life time of the ST LINK V2 1 product such as new functionality bug fixes or support for new microcontroller families it...

Страница 18: ...board MCU Note Micro switch SW1 must be put in Off position R24 and R31 must be disconnected The SWD 6 pin header CN5 added on 32L4R9IDISCOVERY connected to on board ST LINK MCU is usable to debug an...

Страница 19: ...iption of the 10 pin header JP4 default configuration Figure 9 JP4 default configuration Detailed description of all JP4 possible configurations are listed below and in Table 5 STLK 5 V from the ST LI...

Страница 20: ...power from Arduino SW1 must be placed in OFF position In case the main board provides 5 V to Arduino compatible connector CN16 which is the default configuration pins 1 and 2 of JP5 must be connected...

Страница 21: ...t supply capability of the USB host port is limited to 100 mA It is enough because only ST LINK V2 1 part of 32L4R9IDISCOVERY draws power at that time If the solder bridge SB36 is open default setting...

Страница 22: ...up MCU from these modes it is necessary to press the Reset button B1 or to wait a few seconds VDDA and VDDUSB power inputs from STM32L4R9AI can be connected to two different power sources 3V3 or VDD_M...

Страница 23: ...by the board PC may be damaged or current is limited by PC As a consequence the board is not powered correctly 500 mA is requested at the enumeration so there is a risk that the request is rejected a...

Страница 24: ...dec CS42L51 CNZ U26 connected to the SAI1 interface of STM32L4R9AI offers possibility to connect a stereo headphone or headset with a mono analog microphone The I C bus addresses of CS42L51 CNZ are 0x...

Страница 25: ...0 of MCU In case CAMERA is used at the same time than PSRAM it is possible to change two solder bridges to deactivate A20 on PSRAM tied to high usable density 16 Mbits and DCMI_D4 is used for CAMERA N...

Страница 26: ...ET of Flash memory has been connected to the general reset of 32L4R9IDISCOVERY See Appendix B Solder bridges for possible Octo SPI Flash configuration change Note Limitation the Octo SPI Flash memory...

Страница 27: ...ference Color Function Comment B1 black RESET For MCU OCTO SPI Flash MFX_V3 CAMERA B2 blue SELECT with Wake up alternate function PC13 UP MFX_GPIO1 PB1 DOWN MFX_GPIO2 PB2 RIGHT MFX_GPIO3 PB3 LEFT MFX_...

Страница 28: ...2C3_SDA PG8 D14 9 AVDD AVDD 8 Ground GND 7 CN16 Power 1 E5V test SPI2_SCK PB13 D13 6 2 IOREF VDD SPI2_MISO PB14 D12 5 3 NRST NRST Reset TIM3_CH2 SPI2_MOSI PB15 D11 4 4 3V3 3V3output note 1 TIM5_CH4 SP...

Страница 29: ...Arduino shield connected to connector CN10 In that case SB27 needs to be connected to bring AVDD on VREF a 100nF is necessary on C48 and VREFBUF needs to be de activated from a VDDA power supply gener...

Страница 30: ...PIO port Function General ground GND 1 2 NC Differential DSI clock DSI_CK_P 3 4 TOUCH_INT MFX_GPIO9 Touch panel interrupt Differential DSI clock DSI_CK_N 5 6 GND General ground reference General groun...

Страница 31: ...9 40 I2C1_SDA PG13 Touch panel I2C data NC 41 42 NC DSI_SWIRE control output PA8 DSI_SWIRE 43 44 I2C1_SCL PB6 Touch panel I2C clock NC 45 46 NC NC 47 48 NC DSI tearing effect input PF11 TE 49 50 NC NC...

Страница 32: ...trols the 1V8 level Power supplies provided on the DSI_V3 connector interface Both shall be used to enable or disable display TP and PSRAM They allows to disconnect those peripherals when doing low po...

Страница 33: ...s available at USB Micro AB receptacle connector CN9 Micro AB receptacle enables USB Host and USB Device features MFX_GPIO13 is used to enable on board VBUS power when in Host mode Figure 11 USB OTG F...

Страница 34: ...CN6 Four data bits of the SDMMC1 interface CLK and CMD signals of the STM32L4R9AI are used to communicate with the microSD card at 3V3 only The card insertion is detected by the MFX_GPIO5 when a micro...

Страница 35: ...ault it is designed to support an ST dedicated Fanout board which allows connecting different modules or board extensions from different manufacturers Fanout board also embeds a 3V3 regulator and I2C...

Страница 36: ..._0 and STMOD _SEL_1 of MFX circuit are set to support one of the STMod interface configuration Table 19 STMod connector CN1 Pin number Description Pin number Description 1 SPI2_CS USART3_CTS PA6 11 IN...

Страница 37: ...11 7 PMOD connector CN3 The standard 12 pin PMOD connector is available on STM32L4R9I DISCO Discovery board to support low frequency low I O pin count peripheral modules The PMOD interface which has...

Страница 38: ...amera module connector CN2 An 8 bit camera module function is supported thanks to the 30 pin dedicated ZIF connector CN2 The reference of camera module to be used is STM32F4DIS CAM This module has to...

Страница 39: ...rthermore SW1 must be set in OFF position while R24 and R31 need to be disconnected By default STLINK V2 1 is used to program or debug on board MCU Pin1 and 2 of JP10 are connected SW1 is in ON positi...

Страница 40: ...be used up to Fast mode 1 MHz Table 24 SWD header CN5 Pin number Description Pin number Description 1 VDD 4 SWDIO PA13 2 SWCLK PA14 5 NRST 3 GND 6 SWO PB3 Table 25 EXT_I2C connector CN7 Pin number Des...

Страница 41: ...Stereo headset with microphone jack CN12 If a headset is plugged into CN12 the bias of the microphone is driven by the output MICBIAS1 of the codec and the analog audio enters into the codec by the p...

Страница 42: ...K_USART2_TX M2 PA3 STLINK_USART2_RX N2 PA4 DCMI_HSYNC DE STMod _ADC ADC_1_IN9 ARD_D7 L3 PA5 STMod _PWM TIM2_CH1 ARD_A5 ADC1_IN10 L4 PA6 STMod _SPI2_CS STMod _USART3_CTS NU PMOD_SPI2_CS PMOD_USART3_CTS...

Страница 43: ...DSI_SPI_D CX NU STMod _SPI2_MISOp NU PMOD_SPI2_MISO NU ARD_D12 SPI2_MISO L10 PB15 DSI_SPI2_MOSI NU STMod _SPI2_MOSIp NU PMOD_SPI2_MOSI NU ARD_D11 SPI2_MOSI_TIM3_CH2 J2 PC0 ARD_D0 LPUART1_RX J3 PC1 AR...

Страница 44: ...SRAM_NWE E7 PD6 PSRAM_NWAIT F7 PD7 PSRAM_NE1 K10 PD8 PSRAM_D13 K9 PD9 PSRAM_D14 J10 PD10 PSRAM_D15 J9 PD11 PSRAM_A16 J8 PD12 PSRAM_A17 H8 PD13 PSRAM_A18 H11 PD14 PSRAM_D0 H10 PD15 PSRAM_D1 A4 PE0 PSRA...

Страница 45: ...4 PSRAM_D11 J7 PE15 PSRAM_D12 F5 PF0 PSRAM_A0 F4 PF1 PSRAM_A1 F3 PF2 PSRAM_A2 G3 PF3 PSRAM_A3 G4 PF4 PSRAM_A4 G5 PF5 PSRAM_A5 H4 PF10 ARD_D3 TIM15_CH2 M5 PF11 DSI_TE N6 PF12 PSRAM_A6 M6 PF13 PSRAM_A7...

Страница 46: ...D_D2 F6 PG12 OCTOSPIM_P2_NCS G6 PG13 I2C1_SDA C6 PG15 OCTOSPIM_P2_DQS H1 PH0 OSC_IN PH0 OSC_IN J1 PH1 OSC_OUT PH1 OSC_OUT A2 PH2 MIC_VDD E5 PH3 BOOT0 PH3 BOOT0 K8 PH4 LED_GREEN L9 PH5 DCMI_PIXCLK PDCK...

Страница 47: ...T PMOD_RST B1 PI9 OCTOSPIM_P2_IO2 A1 PI10 OCTOSPIM_P2_IO1 C3 PI11 OCTOSPIM_P2_IO0 Legend or Indicate shared or exclusive functions or interfaces on a GPIO port NU Function mode which is not usable by...

Страница 48: ...7 STMOD _SEL_1 29 PA8 MFX_GPIO8 DSI_3V3_PWRON 30 PA9 MFX_GPIO9 DSI_TOUCH_INT 31 PA10 MFX_GPIO10 DSI_RESET 32 PA11 MFX_GPIO11 EXT_RESET 33 PA12 MFX_GPIO12 DCMI_PWR_EN 34 PA13 MFX_SWDIO MFX_SWDIO 37 PA1...

Страница 49: ...SB_OTGFS_PPWR_EN 27 PB14 MFX_GPIO14 USB_OVER 28 PB15 MFX_GPIO15 AUDIO_Codec_RESET 2 PC13 ANTI_TAMP MFX_WAKEUP MFX_WAKEUP 3 PC14 OSC32_IN MFX_IDD_CAL CAL 4 PC15 OSC32_OUT MFX_IDD_SH0 SH0 5 PH0 OSC_IN M...

Страница 50: ..._CK TX from pins 24 26 of DSI V3 connector exclusive with SB6 and SB8 SB6 SB8 SPI2 on DSI display ON Connects SPI2_SCK MOSI to pins 24 26 of DSI V3 connector exclusive with SB7 and SB13 SB23 VDD on OC...

Страница 51: ...Reserved Audio Codec VL SB29 RESERVED ON Reserved Audio Codec VD SB31 RESERVED ON Reserved do not modify MFX IDD_VDD_MCU SB22 RESERVED ON Reserved do not modify STMod PMOD SB26 RESERVED ON Reserved O...

Страница 52: ...T8 2 DF1 D3 D1 SDA3 LRX1 SDA3 PG8 10 20 PC2 GPIO same as pin 18 DF1 CO Legend DSI Arduino Uno Pmod Alternate Functions STMod CAM Digital Microphone Supply GND 1 This Table 31 gives description of the...

Страница 53: ...Table 32 SPDT quad switch SPI UART SPI UART STMOD _SEL_0 0 1 1 STMOD _SEL_0 is GPIO6 of MFX_V3 STMOD _SEL_1 0 0 1 STMOD _SEL_1 is GPIO7 of MFX_V3 pin 1 CSN2 CSN2 CTS3 pin 1 is connected directly to P...

Страница 54: ...no Uno V3 connectors Figure 23 32L4R9IDISCOVERY ST LINK V2 1 Figure 24 32L4R9IDISCOVERY Octo SPI Flash memory Figure 25 32L4R9IDISCOVERY peripherals Figure 26 32L4R9IDISCOVERY USB OTG FS Figure 27 32L...

Страница 55: ...D_A2 ARD_A3 ARD_A4 ARD_A5 ARD_D0 ARD_D1 ARD_D2 ARD_D3 ARD_D4 ARD_D5 ARD_D6 ARD_D7 ARD_D8 ARD_D9 ARD_D10 ARD_D11 ARD_D12 ARD_D13 ARD_D14 ARD_D15 USART_TX USART_RX SWCLK SWDIO SWO DCMI_D 0 7 DCMI_VSYNC...

Страница 56: ...NO power pin Vin 3 Vout 2 Tab 4 GND 1 U15 LD1117S50TR 3V3 L5 2 2uH 1V8 3 2 1 JP7 VDD 5V ARD_5V JP9 U5V 1 2 3 4 5 6 7 8 10 9 JP4 Header M Straight 5x2H 5V_USB_CHARGER 10uF C36 1 2 PWR Green LD8 3 2 1 J...

Страница 57: ...K IOREF NRST 3V3 5V GND GND VIN POWER AIN I2C3_SCL I2C3_SDA WARNING voltage applied to VIN 11 5V 1 2 3 4 5 6 7 8 9 10 CN10 SSW 110 22 X S VS 1 2 3 4 5 6 7 8 CN16 SSW 108 22 X S VS 1 2 3 4 5 6 CN17 SSW...

Страница 58: ...R 5 B2 6 B1 7 VCCB 8 U8 SN74LVC2T45DCUT VDD_STL VDD_STL 3V3_ST_LINK USART_TX USART_RX PA2 PA3 1 2 X3 NX3225GD 8 00M transistor pins numbers follow SOT23 JEDEC standard VBUS 1 DM 2 DP 3 ID 4 GND 5 Shie...

Страница 59: ...PI_CLK OCTOSPI_IO0 OCTOSPI_IO1 OCTOSPI_IO2 OCTOSPI_IO3 OCTOSPI_IO4 OCTOSPI_IO5 OCTOSPI_IO6 OCTOSPI_IO7 OCTOSPI_IO0 OCTOSPI_IO1 OCTOSPI_IO2 OCTOSPI_IO3 OCTOSPI_IO4 OCTOSPI_IO5 OCTOSPI_IO6 OCTOSPI_IO7 O...

Страница 60: ...with 3V3 only 1 2 3 4 5 6 7 8 CN7 F206A 2 04MGF A R107 0 R108 0 I2C1_SDA I2C1_SCL VDD PG13 PB6 EXT_RESET SSM 104 L DH Samtec R112 0 EXT_I2C Connector User LEDs SB37 5V GND JOY_SEL JOY_SEL SD_D0 SD_D1...

Страница 61: ...EDEC standard USB Full Speed operating range voltage 3 0V VDDUSB 3 6V GND 2 IN 5 EN 4 OUT 1 FAULT 3 U16 STMPS2141STR 3 1 2 T13 9013 SOT23 VBUS DM DP ID USB_OTG USB_OTGFS_VBUS USB_OTGFS_DM USB_OTGFS_DP...

Страница 62: ...030 01 F D A K TR I2C1_SCL I2C1_SDA DSI_D2_P DSI_D2_N DSI_D3_P DSI_D3_N 1V8_LCD SB10 10K R7 DSI_SWIRE DSI_PWR_ON VDD_LCD DSI_SPI2_CLK DSI_SPI2_MOSI DSI_SPI_D CX DSI_USART_CK DSI_USART_TX DSI_USART DSI...

Страница 63: ...L MFX_aGPIO1 MFX_aGPIO1 T50_4 T50_6 AMP_VDD AMP_5V 1 2 3 4 CN14 N A MFX_SWCLK MFX_SWDIO VDD1 3 4 5 G S D 6 2 1 T9 STT7P2UH7 3 4 5 G S D 6 2 1 T11 STT7P2UH7 100nF C84 100nF C88 100nF C83 100nF C89 100n...

Страница 64: ...pF C11 DF_CKOUT 100nF C10 1uF C13 R16 N A 100K R15 5 6pF C9 PSRAM_CLK PSRAM_ADV PSRAM_WAIT OCTOSPIM_P2_IO4 OCTOSPIM_P2_IO5 OCTOSPIM_P2_IO6 OCTOSPIM_P2_IO7 OCTOSPIM_P2_DQS R54 0 R56 0 OSC32_IN OSC32_OU...

Страница 65: ...AM_OE PD5 PD4 PE0 PE1 PSRAM_CE_CS1 SB3 PSRAM_A20 CRE_CS2 VDD_VDDQ VDD_VDDQ H6 Asynchronous PSRAM 3 3V I Os only PSRAM_CLK PSRAM_ADV PSRAM_WAIT PSRAM_CLK PSRAM_ADV PSRAM_WAIT SB3 and SB4 are only usefu...

Страница 66: ...18 19 20 21 22 23 24 25 26 27 28 29 30 CN2 FPU330ZH BT1D3 CA SDA SCL I2C DCMI_I2C VDD VDD PB8 PB6 PH5 PA4 PC7 PH11 PG13 PC6 PH12 PE4 PI4 PI7 PI5 MFX_GPIO12 DCMI_CLK DCMI_I2C1_SCL DCMI_I2C1_SDA 100nF C...

Страница 67: ...TX RX RTS SCK TX RX SPI UART VDD default configuration to support MikroBus modules using MB1280 fan out board UART SPI 0 0 1 1 1 STMOD PMOD USART3_TX PB10 may also use DSI_USART_TX option STMOD PMOD S...

Страница 68: ...33 U26 CS42L51 CNZ AGND 22nF C59 AGND 10uF C54 150pF C77 AGND 1V8 AGND AGND AUDIO_RST AGND AGND I2C address of CS42L51 is 0x94 AD0 0 MFX_GPIO15 PE5 PE2 PB9 PE6 PB5 PB6 PG13 100nF C81 1uF C82 1uF C71...

Страница 69: ...GND 17 GND 18 ELVSS 19 ELVDD 20 ELVSS 21 ELVDD 22 ELVSS 23 ELVDD 24 PAD 25 PAD 26 PAD 27 PAD 28 CN2 504208 2410 HSSI_CLK_N HSSI_CLK_P HSSI_D0_N HSSI_D0_P DSI_TE DSI_RST Touch panel connector for LCD...

Страница 70: ...MOD 4 STMOD 7 STMOD 8 STMOD 9 STMOD 10 STMOD 11 STMOD 12 STMOD 13 STMOD 14 STMOD 17 STMOD 18 STMOD 19 STMOD 20 STMOD 11 STMOD 12 STMOD 13 STMOD 14 STMOD 3 STMOD 2 STMOD 11 STMOD 14 STMOD 12 STMOD 13 S...

Страница 71: ...N2 two 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 3 3 V regulator U1 200 mA Figure 36 STMod Fanou...

Страница 72: ...s CN11 and CN10 1 1 Please refer to Appendix C to check STMod pin sharing with other functions of the 32L4R9IDISCOVERY STMod connector CN11 number Function of mikroBUS Pin number Pin number Function o...

Страница 73: ...ppendix C to check STMod pin sharing with other functions of the 32L4R9IDISCOVERY STMod connector NO Function of Grove CN3 Pin number STMod 7 SCL SCL 1 STMod 10 SDA SDA 2 STMod 6 15 5 V VCC 3 STMod 5...

Страница 74: ...e harmful interference in which case the user will be required to correct the interference at his own expense F 1 3 Part 15 21 Any changes or modifications to this equipment not expressly approved by...

Страница 75: ...s Commission FCC and Industry Canada IC Compliance 77 doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement tiquette de conformit...

Страница 76: ...ng This device is compliant with Class A of CISPR32 In a residential environment this equipment may cause radio interference Avertissement Cet quipement est conforme la Classe A de la CISPR 32 Dans un...

Страница 77: ...able 37 Document revision history Date Revision Changes 17 Oct 2017 1 Initial version 26 Oct 2017 2 Updated Chapter 10 6 1 clarification on SW1 use Table 4 pin name ARD 5V Table 5 JP4 CHGR position de...

Страница 78: ...sers are solely responsible for the choice selection 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...

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