目錄

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

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

2 電源接口..............................................................................................................................7

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

4 BOOT SET啟動方式選擇撥碼開關...................................................................................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千兆網(wǎng)口...........................................................................................30

18.2ETH1 MII百兆網(wǎng)口................................................................................................32

18.3ETH2 USB百兆網(wǎng)口...............................................................................................33

19.4G模塊拓展接口..............................................................................................................33

20.WIFI模塊...........................................................................................................................35

21.藍牙模塊......................................................................................................................36

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

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

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

25ARM端拓展IO信號接口.................................................................................................39

26FPGA端拓展IO信號接口................................................................................................39

更多幫助....................................................................................................................................42

本文檔主要介紹TLT3F-EVM工業(yè)評估板硬件接口資源以及設計注意事項等內(nèi)容。核心板的ARM端和FPGA端的IO電平標準一般為3.3V，上拉電源一般不超過3.3V，當外接信號電平與IO電平不匹配時，中間需增加電平轉(zhuǎn)換芯片或信號隔離芯片。按鍵或接口需考慮ESD設計，ESD器件選型時需注意結(jié)電容是否偏大，否則可能會影響到信號通信。

核心板CPU、ROM、RAM、電源、晶振等所有器件均采用國產(chǎn)工業(yè)級方案，國產(chǎn)化率100%。同時，評估底板大部分元器件亦采用國產(chǎn)工業(yè)級方案。