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1# HPM6750EVK
2
3## Overview
4
5The 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.
6
7 ![hpm6750evk2](../../doc/images/boards/hpm6750evk2/hpm6750evk2.png "hpm6750evk2")
8
9## Hardware
10
11- HPM6750IVM MCU (816Mhz, 2MB OCRAM)
12- Onboard Memory
13  - 256Mb SDRAM
14  - 128Mb Quad SPI NOR Flash
15- Display & Camera
16  - LCD connector
17  - Camera (DVP)
18- Ethernet
19  - 1000 Mbits PHY
20  - 100 Mbits PHY
21- USB
22  - USB type C (USB 2.0 OTG) connector x3
23- Audio
24  - Line in
25  - Mic
26  - Speaker
27  - DAO
28- Others
29  - TF Slot
30  - FT2232
31  - Beeper
32  - RGB LED
33  - CAN
34- Expansion port
35  - Motor control
36
37## DIP Switch S1
38
39- Bit 1 and 2 controls boot mode
40
41| bit[2:1] | Description                  |
42| -------- | ---------------------------- |
43| OFF, OFF | Boot from Quad SPI NOR flash |
44| OFF, ON  | Serial boot                  |
45| ON, OFF  | ISP                          |
46
47- Change the position of bit 3 to select between PWM and 1000Mbit ethernet
48
49| Bit3 | Description    |
50| ---- | -------------- |
51| OFF  | 1000Mbits ENET |
52| ON   | PWM            |
53
54(lab_hpm6750_evk2_board)=
55## Button
56(lab_hpm6750_evk2_board_buttons)=
57| Name | FUNCTIONS |
58| ---- | -------- |
59|PBUTN (S2) | Power Button, TinyUF2 Boot Button, GPIO Button |
60|WBUTN (S3) | WAKE UP Button |
61|RESET (S4) | Reset Button |
62
63## Pin Description
64
65- PWM Pin:
66
67  ![image-1](../../doc/images/boards/hpm6750evk/hpm6750evk_pwm_output_pin.png "image-1")
68
69- SPI Pin：
70
71| Function | Position |
72| ---- | -------- |
73| SPI2.CSN    | J20[6] |
74| SPI2.SCLK   | J20[7] |
75| SPI2.MISO   | J20[8] |
76| SPI2.MOSI   | J20[9] |
77
78- I2C Pin：
79
80| Function | Position |
81| ---- | -------- |
82| I2C0.SCL    | J20[3] |
83| I2C0.SDA    | J20[4] |
84
85- UART for core1 debug console
86
87| Function | Position |
88| ---- | -------- |
89| UART13.TXD    | J20[5] |
90| UART13.RXD    | J20[6] |
91
92- ACMP Pin
93
94| Function | Position |
95| ---- | -------- |
96| CMP.INN6    | J12[8] |
97| CMP.COMP_1  | J12[6] |
98
99- GPTMR Pin
100
101| Function | Function |
102| ---- | -------- |
103| GPTMR4.CAPT_1  | J12[6] |
104| GPTMR3.COMP_1  | J12[7] |
105