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rt-thread/bsp/hpmicro/libraries/hpm_sdk/boards/hpm6750evkmini/README.md

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HPM6750EVKMINI

Overview

The HPM6750 is a dual-core flashless MCU running 816Mhz. It has a 2MB continuous on-chip ram. Also, it provides various memory interfaces, including SDRAM, Quad SPI NOR Flash, SD/eMMC. It integrates rich audio and video interfaces, including LCD, pixel DMA, camera， and I2S audio interfaces.

hpm6750evkmini

Hardware

  • HPM6750IVM MCU (816Mhz, 2MB OCRAM)
  • Onboard Memory
    • 128Mb SDRAM
    • 64Mb Quad SPI NOR Flash
  • Display & Camera
    • LCD connector
    • Camera (DVP)
  • WiFi
    • RW007 over SPI
  • USB
    • USB type C (USB 2.0 OTG) connector x2
  • Audio
    • Mic
    • DAO
  • Others
    • TF Slot
    • FT2232
    • Beeper
    • RGB LED
  • Expansion port
    • ART-PI extension port

DIP Switch S1

  • Bit 1 and 2 controls boot mode
bit[2:1] Description
OFF, OFF Boot from Quad SPI NOR flash
OFF, ON Serial boot
ON, OFF ISP

(lab_hpm6750_evkmini_board)=

Button

(lab_hpm6750_evkmini_board_buttons)=

Name FUNCTIONS
PBUTN (S2) Power Button, TinyUF2 Boot Button, GPIO Button
WBUTN (S3) WAKE UP Button
RESET (S4) Reset Button

Pin Description

  • SPI Pin
Function Position
SPI2.CSN P1[24]
SPI2.SCLK P1[23]
SPI2.MISO P1[21]
SPI2.MOSI P1[19]
  • I2C Pin：
Function Position
I2C0.SCL P1[13]
I2C0.SDA P1[15]
  • UART for core1 debug console：
Function Position
UART13.TXD P1[8]
UART13.RXD P1[10]
  • ACMP Pin
Function Position
CMP.INN6 P2[11]
CMP.COMP_1 P1[7]
  • GPTMR Pin
Function Position
GPTMR2.CAPT_2 P2[15]
GPTMR2.COMP_2 P2[19]