2. HPM6750EVK2¶
2.1. 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.
2.2. Hardware¶
HPM6750IVM MCU (816MHz, 2MB OCRAM)
Onboard Memory
256Mb SDRAM
128Mb Quad SPI NOR Flash
Display & Camera
LCD connector
Camera (DVP)
Ethernet
1000 Mbits PHY
100 Mbits PHY
USB
USB type C (USB 2.0 OTG) connector x3
Audio
Line in
Mic
DAO
Others
TF Slot
RGB LED
CAN
Expansion port
Motor control
2.3. 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 |
2.5. Plug-in¶
J108
ADC reference voltage selectionConnection
Description
1, 2
3.3v
2, 3
High precision 3.3v
2.6. Resistor Switch¶
GigE POP
R177-R182
Status
Description
Welding
Network
Disconnect
Motor
2.7. Pin Description¶
UART0 Pin:
The UART0 pin leads to three positions:
Function |
Pin |
Position1 |
Position2 |
Position3 |
---|---|---|---|---|
UART0.TX |
PY06 |
J109[1] |
JTAG P4[7] |
USB2UART0 |
UART0.RX |
PY07 |
J109[3] |
JTAG P4[9] |
USB2UART0 |
Note: To avoid abnormal functions caused by multiple connections, please ensure that there is only one connection. For example, if the JTAG interface is connected to UART0, USB2UART0 interface send data to UART0 will be abnormal.
SPI Pin:
Function |
Pin |
Position |
---|---|---|
SPI2.CSN |
PE31 |
J11[7] |
SPI2.SCLK |
PE27 |
J11[8] |
SPI2.MISO |
PE28 |
J11[9] |
SPI2.MOSI |
PE30 |
J11[10] |
I2C Pin::
Function |
Pin |
Position |
---|---|---|
I2C0.SCL |
PZ11 |
J11[3] |
I2C0.SDA |
PZ10 |
J11[4] |
UART for core1 debug console:
Function |
Pin |
Position |
---|---|---|
UART13.TXD |
PZ09 |
J11[5] |
UART13.RXD |
PZ08 |
J11[6] |
PWM Pin:
Function |
Pin |
Position |
---|---|---|
PWM2.P[0] |
PD31 |
J10[14] |
PWM2.P[1] |
PD30 |
J10[13] |
ACMP Pin
Function |
Pin |
Position |
---|---|---|
CMP.INN6 |
PE21 |
J10[8] |
CMP.COMP_1 |
PE25 |
J10[6] |
GPTMR Pin
Function |
Pin |
Position |
---|---|---|
GPTMR4.CAPT_1 |
PE25 |
J10[6] |
GPTMR3.COMP_1 |
PE24 |
J10[7] |
ADC12 Pin
Function |
Pin |
Position |
---|---|---|
ADC0/1/2.VINP11 |
PE25 |
J10[6] |
ADC0/1/2.VINP10 |
PE24 |
J10[7] |
ADC0/1/2.VINP7 |
PE21 |
J10[8] |
ADC16 Pin
Function |
Pin |
Position |
---|---|---|
ADC3.INA2 |
PE29 |
J10[5] |
headphone interface
Function |
Position |
---|---|
3.5mm headphone |
J13 |
audio input interface
Function |
Position |
---|---|
microphone |
P3 |
DAO interface
Function |
Position |
---|---|
DAO-SPK |
J12 |