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AbuseMarK LCD Adapter Manual
AbuseMarK LCD Adapter (rev1)
1. DisplayPort connector
2. 51‐pin FPC connector for LCD
3. USB connector for power or firmware update
4. Power button
5. Power/Status LED
6. External 5V source (see External Power section)
For functionality of Power button, see the "LCD Adapter firmware features and operation" section (last
page).
12/17/2013
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Summary of Contents for Abusemark LCD
- Page 1 AbuseMarK LCD Adapter Manual AbuseMarK LCD Adapter (rev1) 1. DisplayPort connector 2. 51‐pin FPC connector for LCD 3. USB connector for power or firmware update 4. Power button 5. Power/Status LED 6. External 5V source (see External Power section) For functionality of Power button, see the “LCD Adapter firmware features and operation” section (last page). 12/17/2013 ...
- Page 2 AbuseMarK LCD Adapter Manual Connecting adapter to LCD Panel 1. Carefully lift up lever on the back of connector 2. Align FPC cable with circuit (gold) side facing up, and push it into connector 3. Stop when cable reaches shown position. Do not force cable further into the connector 4. While keeping cable aligned, push back on the lever to lock cable inside If testing with the board on the back of LCD, make sure to place paper or some other non‐conductive material between. Or else, the board will short circuit with the aluminum back of the panel. 12/17/2013 ...
- Page 3 AbuseMarK LCD Adapter Manual Improper connection examples Left image: Cable not aligned correctly, not fully inserted. Powering up like this will likely burn the panel. Right image: Cable inserted circuit (gold) side down, this is incorrect. External Power 5V source When arranging many panels in array, its easier to source a single 5V connector for all panels and avoid USB cable mess. A standard 2.54mm (0.1”) pin header connection is provided for this purpose. User can solder in pin header or wires directly. Left‐side is positive (+) and right side is negative (‐). The following 3 pads (tx, GND, rx) are NOT related to power and 5V must not be connected to them at any time. These pads are for emergency firmware recovery or debugging. 12/17/2013 ...
- Page 4 AbuseMarK LCD Adapter Manual LCD Adapter firmware upgrade and operation Required software STMicroelectronics DFuSe USB Device Firmware Upgrade GUI: http://www.st.com/web/en/catalog/tools/PF257916 For firmware update on unsupported or niche OS (ex. Linux), one might be able to use DFU- UTIL from http://dfu-util.gnumonks.org/ . This method is not supported and not documented here. Upgrade procedure Remove power (Unplug USB or disconnect external 5V), and press and HOLD Power button, while connecting USB cable. Firmware update on external 5V power is NOT suported. Status LED will light up RED and remain lit, and new device will install “ST Device in DFU mode” Start DFuse Demo application ...
- Page 5 AbuseMarK LCD Adapter Manual LCD Adapter firmware features and operation When connected by USB or external 5V source, adapter defaults to full power on, with status LED glowing BLUE. One press on power button will switch to STANDBY mode, which turns off backlight, but keeps DisplayPort connection. This mode is used to keep power consumption lower, or to save backlight lifetime. In this mode, status LED is glowing RED. To fully turn off the adapter (including disconnect from DisplayPort signals), press the power button twice. ●→●→☀ (BLUE – full power on ‐> RED – standby ‐> Full power off (LED off) Since most common use case does not involve disconnecting from DisplayPort (as this would cause other monitors to flicker while display adapter is reconfiguring), if adapter is in standby mode for more than a few seconds, pressing the power button returns to Full power mode, turning on backlight. ●→●→Wait 2+ seconds→● (BLUE – full power on ‐> RED – standby ‐> if monitor is in standby for a few seconds, pressing Power again will go back to FULL power mode (BLUE LED). Other features may be added via firmware updates at a later time. This information is current as of 2013/12/17 12/17/2013 ...