ST STM32H7B3I-DK Discovery

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7.2.5 MCU power supply – SMPS/LDO configuration

Figure 10. MCU power: SMPS/LDO

UM2569

Power supply

UM2569 - Rev 6

page 15/53

Main Page

Figure 1. STM32H7B3I-DK Top View1
Figure 2. STM32H7B3I-DK Bottom View1
Features2
Ordering Information3
Codification3
Table 1. Ordering Information3
Table 2. Codification Explanation3
Development Environment4
System Requirements4
Development Toolchains4
Demonstration Software4
Conventions5
Table 3. ON/OFF Convention5
Delivery Recommendations6
Getting Started7
Hardware Layout and Configuration8
Figure 3. STM32H7B3I-DK Hardware Block Diagram8
Figure 4. STM32H7B3I-DK PCB Layout (Top View)9
Figure 5. STM32H7B3I-DK PCB Layout (Bottom View)9
Figure 6. STM32H7B3I-DK Board Mechanical Dimensions (Top View, in Millimeters)10
Figure 7. STM32H7B3I-DK Board Mechanical Dimensions (Bottom View, in Millimeters)10
Embedded STLINK-V3E11
Description11
Drivers11
Figure 8. USB Composite Device11
STLINK-V3E Firmware Upgrade12
Using an External Debug Tool to Program and Debug the Onboard STM3212
Table 4. CN8 MIPI-10 Debug Connector12
Figure 9. Connecting an External Debug Tool to Program the Onboard STM32H7B3I-DK12
Power Supply13
Supplying the Board through STLINK-V3E USB Connector 5 V / 500 Ma13
Supplying the STM32H7B3I-DK Using the External Power Supply Input from VIN (7 to 12 V, 800Ma Max)14
Supplying the STM32H7B3I-DK Using a USB Charger (5 V)14
Supplying the STM32H7B3I-DK Using USB OTG HS Connector (5 V / 500 Ma)14
Table 5. External Power Sources: VIN (7 to 12 V)14
Table 6. External Power Source: CHGR (5 V)14
Table 7. External Power Source: U5V (5 V)14
MCU Power Supply - SMPS/LDO Configuration15
Figure 10. MCU Power: SMPS/LDO15
Figure 11. Config1 - LDO Only16
Figure 12. Config2 - SMPS Only (Default)16
Table 8. Internal SMPS / LDO and Board Configuration17
Figure 13. Config3 - SMPS and LDO Cascaded17
Figure 14. Config4 - External SMPS17
Measurement of MCU Current Consumption18
Clock Source18
Reset Sources19
Board Functions19
TFT Color LCD 480X272 Pixels19
Usb Otg Hs19
Ext_I2C19
Microsd ™ Card19
Audio20
Can Fd20
Octo-SPI nor Flash Memory20
SDRAM Memory20
Table 9. FD-CAN1 - Solder Bridge Configuration20
Virtual COM Port21
Tag21
Buttons and Leds21
Table 10. Button and LED Control Port21
Wi-Fi ® RF Module22
Figure 15. Wi-Fi ® Module (Top View)22
Table 11. Wi-Fi ® - Solder Bridge Configuration23
Board Connectors24
CN14 STLINK-V3E USB Micro-B Connector24
Table 12. CN14 USB Micro-B Connector Pinout24
Figure 16. CN14 Micro-B Connector (Front View)24
CN15 USB OTG HS Micro-AB Connector25
Table 13. CN15 USB OTG HS Micro-AB Connector Pinout25
Figure 17. CN15 USB OTG HS Micro-AB Connector (Front View)25
CN4 Microsd ™ Card Connector26
Table 14. CN4 Microsd ™ Connector Pinout26
Figure 18. CN4 Microsd ™ Card Connector26
P1 Stmod+ Connector27
Table 15. P1 Stmod+ Connector Pinout27
Figure 19. P1 Stmod+ Connector27
CN7 Camera Module Connector28
Figure 20. CN7 Camera Module Connector28
CN12 TAG Connector29
CN16 EXT_I2C Connector29
Table 16. CN7 Camera Module Connector Pinout29
Table 17. CN12 TAG Connector Pinout29
Figure 21. CN12 TAG Connector29
CN3 Audio Connector30
Table 18. CN16 EXT_I2C Connector Pinout30
Table 19. I2C4 Onboard Addresses30
Table 20. DFSDM - Solder Bridge Configuration30
Figure 22. CN16 EXT_I2C Connector30
Table 21. CN3 Audio Connector Pinout31
Figure 23. CN3 Audio Connector31
CN1 TFT LCD Connector32
Table 22. CN1 TFT LCD Connector32
Figure 24. CN1 TFT LCD Connector32
CN10, CN11, CN19, and CN20 ARDUINO ® uno V3 Connectors33
Table 23. ARDUINO ® uno V3 Compatible Connectors Pinout33
CN5 Audio Green Jack - Line out34
CN6 Audio Blue Jack - Line in34
Table 24. CN5 Audio Jack Connector Pinout (Onboard)34
Table 25. CN5 Audio Jack Connector Pinout (Onboard)34
Figure 25. CN5 Stereo Headset with a Microphone Jack34
Figure 26. CN6 Stereo Headset with a Microphone Jack34
STM32H7B3I-DK Board Information35
Product Marking35
STM32H7B3I-DK Product History35
Product Identification DK32H7B3I$AT135
Product Identification DK32H7B3I$AT235
Product Identification DK32H7B3I$AT335
Product Identification DK32H7B3I$AT436
Board Revision History36
Board MB1332 Revision B-0236
Board MB1332 Revision C-0136
Board MB1332 Revision C-0236
Board MB1315 Revision A-0136
Board MB1315 Revision A-0236
Board MB1486 Revision A-0236
Board MB1486 Revision A-0336
Board MB1280 Revision A-0337
Board MB1280 Revision B-0137
Board MB1280 Revision C-0137
Appendix Astm32H7B3I-Dk I/O Assignment38
Table 26. STM32H7B3I-DK I/O Assignment38
Appendix Bstmod+ GPIO Sharing and Multiplexing43
Table 27. Stmod+ GPIO Sharing and Multiplexing44
Appendix C Federal Communications Commission (FCC) and Innovation, Science and Economic Development Canada (ISED) Compliance Statements45
FCC Compliance Statement45
ISED Compliance Statement45
Revision History47
Table 28. Document Revision History47
Table of Contents48
List of Tables51
List of Figures52

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