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1# HPM6800EVK
2
3## Overview
4
5The HPM6800 is a dual-core flashless MCU running 600Mhz. It has a 1MB 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 ![hpm6800evk](doc/hpm6800evk.png "hpm6800evk")
8
9## Hardware
10
11- HPM6800 MCU (600MHz, 1MB SRAM)
12- Onboard Memory
13  - 256MB SDRAM
14  - 16MB Quad SPI NOR Flash
15  - 8GB eMMC
16- Display & Camera
17  - LCD connector
18  - MIPI-DSI
19  - MIPI-CSI
20  - Camera (DVP)
21- Ethernet
22  - 1000 Mbits PHY
23- USB
24  - USB type C (USB 2.0 OTG) connector x1
25- Audio
26  - Line in
27  - Mic
28  - DAO
29- Others
30  - TF Slot
31  - RGB LED
32  - CAN
33
34## DIP Switch SW2
35
36- Bit 1 and 2 controls boot mode
37
38| bit[2:1] | Description                  |
39| -------- | ---------------------------- |
40| OFF, OFF | Boot from Quad SPI NOR flash |
41| OFF, ON  | Boot from eMMC               |
42| ON, OFF  | ISP                          |
43
44(lab_hpm6800_evk_board)=
45
46## Button
47
48(lab_hpm6800_evk_board_buttons)=
49
50| Name         | FUNCTIONS                                      |
51| ------------ | ---------------------------------------------- |
52| PBUTN (KEY1)  | GPIO Button                                   |
53| WBUTN (KEY2)  | WAKE UP Button                                 |
54| RESETN (SW1)  | Reset Button                                   |
55
56## Plug-in
57
58- The ADC/DAC reference voltage is selected as follows:
59
60  | Connection | Description         |
61  | ---------- | ------------------- |
62  | J18       |  Reference voltage |
63
64- The eMMC voltage is sleected as follows:
65  | Connection | Description         |
66  | ---------- | ------------------- |
67  | J6       |  eMMC voltage selection (3.8V / 1.8V) |
68
69Note: User should short VCCQ and 1.8V pin for eMMC testing
70
71## Pin Description
72
73- UART0 Pin:
74
75The UART0 pin leads to two positions:
76
77| Function | Pin  | Position2 |
78| -------- | ---- | ----------|
79| UART0.TX | PA00 | DEBUGUART0 |
80| UART0.RX | PA01 | DEBUGUART0 |
81
82- SPI Pin：
83
84| Function  | Pin  | Position |
85| --------- | ---- | -------- |
86| SPI3.CSN  | PE04 | P2[24]   |
87| SPI3.SCLK | PE05 | P2[23]   |
88| SPI3.MISO | PE06 | P2[21]   |
89| SPI3.MOSI | PE07 | P2[19]   |
90
91- I2C Pin：：
92
93| Function | Pin  | Position |
94| -------- | ---- | -------- |
95| I2C1.SCL | PE13 | P2[5]    |
96| I2C1.SDA | PE12 | P2[3]    |
97
98- ADC16 Pin
99
100| Function          | Pin   | Position |
101| ----------------- | ----- | -------- |
102| ADC0.INA8         | PE16  | J19[15]  |
103
104- GPTMR Pin
105
106| Function      | Pin   | Position|
107| ------------- | ----- | ------- |
108| GPTMR2.CAPT_0 | PE22  | J19[9]  |
109| GPTMR2.COMP_0 | PE23  | J19[12] |
110| GPTMR2.COMP_1 | PE24  | J19[10] |
111
112- headphone interface
113
114| Function        | Position | Standard |
115| --------------- | -------- | -------- |
116| 3.5mm headphone | J4       | OMTP |
117
118- audio input interface
119
120| Function   | Position |
121| ---------- | -------- |
122| microphone | P1       |
123
124- DAO interface
125
126| Function       | Position |
127| -------------- | -------- |
128| DAO-SPK(left)  | J9       |
129| DAO-SPK(right) | J10      |
130
131- Ethernet PPS Pin
132
133| Function    | Position |
134| ----------- | -------- |
135| ENET0.EVTO0 | J20[7]   |
136
137- CAN Pin
138
139| Function   | Pin    | Position  | Output        |
140| -----------| ------ | -----     | ------------- |
141| MCAN3.TXD  | PD15   | U25[1]    |  CAN.H J13[3] |
142| MCAN3.RXD  | PD14   | U25[4]    |  CAN.L J13[2] |
143| MCAN3.STBY | PD13   | U25[8]    |               |
144