全志T3＋国产FPGA工业核心板原理图/开发包/硬件说明书

目录

前言..........................................................................................................................................4

1 SOM-TLT3F核心板..............................................................................................................6

2 电源接口..............................................................................................................................7

3 LED........................................................................................................................................9

4 BOOT SET启动方式选择拨码开关...................................................................................11

5 KEY......................................................................................................................................12

6 串口....................................................................................................................................15

6.1 USB TO UART0串口...............................................................................................15

6.2 RS232 UART3串口.................................................................................................16

6.3 RS485 UART4/RS485 UART5串口.........................................................................16

6.4 TTL UART6/UART7串口.........................................................................................17

7.CAN接口............................................................................................................................18

8.Micro SD接口....................................................................................................................19

9.RTC座.................................................................................................................................20

10.Watchdog接口..................................................................................................................21

11.AUDIO接口........................................................................................................................21

12 .MIPI LCD接口....................................................................................................................22

13 .TFT LCD接口......................................................................................................................23

14 .LVDS LCD接口...................................................................................................................24

15 .CVBS OUT接口..................................................................................................................26

16 .TVIN接口...........................................................................................................................27

17.USB接口............................................................................................................................28

17.1USB1 HOST接口....................................................................................................29

17.2USB0 OTG接口......................................................................................................29

18 Ethernet接口............................................................................................................30

18.1ETH0 RGMII千兆网口...........................................................................................30

18.2ETH1 MII百兆网口................................................................................................32

18.3ETH2 USB百兆网口...............................................................................................33

19.4G模块拓展接口..............................................................................................................33

20.WIFI模块...........................................................................................................................35

21.蓝牙模块......................................................................................................................36

22SATA接口..........................................................................................................................37

23FPGA JTAG接口.................................................................................................................38

24SDIO接口...........................................................................................................................39

25ARM端拓展IO信号接口.................................................................................................39

26FPGA端拓展IO信号接口................................................................................................39

更多帮助....................................................................................................................................42

本文档主要介绍TLT3F-EVM工业评估板硬件接口资源以及设计注意事项等内容。核心板的ARM端和FPGA端的IO电平标准一般为3.3V，上拉电源一般不超过3.3V，当外接信号电平与IO电平不匹配时，中间需增加电平转换芯片或信号隔离芯片。按键或接口需考虑ESD设计，ESD器件选型时需注意结电容是否偏大，否则可能会影响到信号通信。

核心板CPU、ROM、RAM、电源、晶振等所有器件均采用国产工业级方案，国产化率100%。同时，评估底板大部分元器件亦采用国产工业级方案。