EMTOP SOM-IMX8M-MINI, Руководство пользователя

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Contents
SOM-IMX8M-MINI
..............................................................................................................................
1
1. General .................................................................................................................................. 3
2. Features .................................................................................................................................
4
2.1 SOM-IMX8M-MINI ..................................................................................................... 4
2.2 DEV-IMX8M-MINI ...................................................................................................... 5
3. Application
.............................................................................................................................
6
4. Mechanical Dimension ........................................................................................................ 7
5. Electrical Characteristics ....................................................................................................
8
5.1 Working Temperature ................................................................................................ 8
6. Hardware Overview ............................................................................................................. 8
6.1 System Components
.................................................................................................
8
6.2 Functional Block Diagrams ..................................................................................... 10
7. Interface Description .........................................................................................................
11
7.1 BTB ON Connector .................................................................................................. 11
7.2 WiFi/BT Antenna Connector ................................................................................... 12
8. Pinout Description Table
...................................................................................................
13
9. Power Supply And System Resets ................................................................................. 20
9.1 Power Source ...........................................................................................................
20
9.2 Power Control and Monitoring ............................................................................... 20
9.3 System power .......................................................................................................... 20
9.4 Power Consumption Typical Values
.....................................................................
20
10. System Resets ................................................................................................................. 21
10.1 Power-on Reset .....................................................................................................
21
10.2 Brown-out Reset .................................................................................................... 21
10.3 Software Reset ...................................................................................................... 21
10.4 External Reset
.......................................................................................................
21
11. Boot Mode ......................................................................................................................... 21
12. Trace impedance recommendations ............................................................................
22
13. High-speed signal trace length compensation ........................................................... 22
14. Circuit Example ................................................................................................................ 24
14.1 Reset In
...................................................................................................................
24
14.2 Power Key .............................................................................................................. 24
14.3 Boot Mode ..............................................................................................................
24
14.4 Giga Ethernet ......................................................................................................... 25
14.5 TF Card ................................................................................................................... 26
14.6 SOM Power-Up Enable
........................................................................................
26
14.7 PCIe Clock .............................................................................................................. 27