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BB-EPH1800 User Manual Version 1.0–March 2016...
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Embest Technology Copyright Statement: BB-EPH1800 and its related intellectual property are owned by Shenzhen Embest Technology Co., Ltd. Shenzhen Embest Technology has the copyright of this document and reserves all rights. Any part of the document should not be modified, distributed or duplicated in any approach and form with the written permission issued by Embest Technology Co., Ltd.
Chapter 1 Product Overview 1.1 Brief Introduction BB-EPH1800 is an evaluation base board designed by Embest for PH180 related SOM modules for areas such as medical instruments, video surveillance and industrial control. BB-EPH1800 provide lots of external interface for PH8700/PH8800, and has 4 high-speed USB2.0 Host interfaces,a OTG interface, a TF card slot for mass storage, a 12-bit camera...
BB-EPH1800 hardware system. 。 2.1 Overview of CPU BB-EPH1800 is the base board for SOM-PH8700/PH8800 Designed by Embest.That make a whole show of the AM335X/AM437X Soc feature,The customs can free replace each other with SOM-PH8700/PH8800 ,Provide a perfect solution for the resource extension.
, so that users may have a deep understanding of the hardware circuitry of the board. 2.3.1 PH180 Interfaces BB-EPH1800 connect with the core board with the PH180 Interfaces defined by Embest. P1,P2 interfaces defined as below PIN-OUT for P2...
GND9 2.3.2 LCD/VGA/HDMI The powerful video performance is one of the important features of BB-EPH1800. It supports multiple types of displays including 50-pin medium-/small-sized LCD modules, VGA/HDMI monitors. LCD/VGA/HDMI shares the same video data source. Now let’s take a deep look at the hardware implementation of the display function of LCD/VGA/HDMI interfaces.
2.3.6 USB & HUB To satisfy diverse applications involving USB interfaces, BB-EPH1800 provides 4 USB ports. However, there are only 2 USB controllers in HPS, one is used to USB OTG .thus a PHY and a HUB are added to ensure 4 USB port can work at the same time. The USB2514B is used to expand the ports of PHY.
Embest Technology USB Connector: J14/J15 GND_SHIELDS GND_SHIELDS GND_SHIELDS 2.3.7 Wifi J24, J25 are reserved to support the EXP-WFB00 (Wifi module) designed by Embest. The following table contains pin definitions of WiFi interface chart 8 Signal Description Signal Type BT_CTS_3V3 from WIFI...
2.3.9 Button There are 6 buttons on BB-EPH1800. S1 button can reset the system. S2 button can reset the power of the core board .S3 button can set where the board boot from. The rest of the two buttons can be programmed by users.
CAN communication indication 2.3.12 RTC There is a RTC circuitry on BB-EPH1800. When a battery is inserted in J10, the board can keep a proper clock after power supply is turned off. A CR1220 battery and a DS3221 chip are involved in the implementation of RTC circuitry. Please refer to schematics and datasheet for its working principle and detailed circuit.
Embest Technology Technical Support and Warranty Technical Support Embest Technology provides its product with one-year free technical support including: Providing software and hardware resources related to the embedded products of Embest Technology; Helping customers properly compile and run the source code provided by Embest Technology;...
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