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1# HPM5301EVKLITE
2
3## Overview
4
5HPM5301EVKLite is a development board based on Xianji's entry-level high-performance MCU HPM5301. HPM5301EVKLite provides a USB Type-C interface for high-speed USB-OTG functionality, with onboard buttons and LEDs for convenient user interaction. It also provides an extension interface that is compatible with Raspberry Pi and a standard JTAG debugging interface.
6
7![hpm5301evklite](doc/hpm5301evklite.png "hpm5301evklite")
8
9## Console information printing
10
11By default, UART0 is used for console printing. Connect UART0.TXD (J3.36) and UART0.RXD (J3.38) externally through the USB to serial port tool.
12
13## Boot Switch
14
15- KEY&BOOT controls boot mode
16
17  Note：
18- The default working mode is flash boot mode.
19- Follow the below steps to enter ISP boot mode:
20  1. press reset
21  2. press key
22  3. release reset
23  4. release key
24
25| KEY      | Description                  |
26| -------- | ---------------------------- |
27| OFF      | Boot from Quad SPI NOR flash |
28| ON       | ISP                          |
29
30## Button
31
32(lab_hpm5301evklite_board_buttons)=
33
34| Name     | FUNCTIONS                        |
35| -------- | -------------------------------- |
36| RESET    | Reset Button                     |
37| KEY&BOOT | User Key & Boot switch           |
38
39## Pin Description
40
41(lab_hpm5301_evklite_board)=
42
43- UART Pin:
44
45| Function  | Position |
46| --------- | -------- |
47| UART3.TXD | J3[8]    |
48| UART3.RXD | J3[10]   |
49| UART0.TXD | J3[36]   |
50| UART0.RXD | J3[38]   |
51
52- SPI Pin：
53
54| Function  | Position |
55| --------- | -------- |
56| SPI1.CSN  | J3[24]   |
57| SPI1.SCLK | J3[23]   |
58| SPI1.MISO | J3[21]   |
59| SPI1.MOSI | J3[19]   |
60
61- I2C Pin：
62
63| Function | Position |
64| -------- | -------- |
65| I2C2.SCL | J3[5]    |
66| I2C2.SDA | J3[3]    |
67
68- ACMP Pin:
69
70| Function       | Position |
71| -------------- | -------- |
72| ACMP.CMP1.INN4 | J3[13]   |
73| ACMP.COMP_1    | J3[3]    |
74
75- ADC16 Pin:
76
77| Function   | Position |
78| ---------- | -------- |
79| ADC0.INA11 | J3[5]    |
80| ADC1.INA1  | J3[3]    |
81| ADC1.INA2  | J3[26]   |
82| ADC1.INA3  | J3[13]   |
83
84- TinyUF2 Pin :
85
86  Note：
87  - PA9 connect GND， and press reset, board enter DFU mode, then PA9 connect 3.3V, drag app to U disk, will download app and enter app directly if successfully;
88  - PA9 connect 3.3V，and press reset, board enter bootloader mode, if flash has the valid app, will directly enter app；
89
90| 功能           | 位置    |
91| -------------- | ------ |
92| TinyUF2 Button | J3[32] |
93
94