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EDP-I 

LCD Module Evaluation & Development

Platform

JEM Innovation Inc.

125 Stearman Court

Erie, CO 80516

Summary of Contents for EDP-I

Page 1: ...EDP I LCD Module Evaluation Development Platform JEM Innovation Inc 125 Stearman Court Erie CO 80516 ...

Page 2: ... Vee from your module you will need to use external wires and a separate potentiometer Backlight Current Before connecting a module be sure to read the section on Backlight Current Failure to due so could shorten the life of your backlight to only a few seconds The EDP I provides 5 pinouts to support a variety of modules However it will only drive one module at a time Please review the following d...

Page 3: ...If your module outputs a negative voltage on pin 15 you MUST remove J1 and wire A and K terminals to the Header labeled A and K using external wires Note for 8x2 modules Most 8x2 modules don t have pins 15 and 16 Install the modules using the lower 14 pins Also the backlight will have to be connected externally 40x4 Left pinout connector L2 This is the other left handed pinout that is used on many...

Page 4: ...both shunts and wire the A and K terminals on the right end of your module using external wire If your modules does NOT generate a negative voltage on pin 15 then install the shunt between A and pin 15 for your module Install a shunt between the center pin and K on the other jumper If your backlight doesn t work after hooking this up you probably have it backwards The good news is that it probably...

Page 5: ...IS This can shorten the life of the backlight possibly to only several seconds Be careful Power The EDP I requires regulated 5VDC An on board connector commonly referred to as a P 5 can be used center pin is 5 The board itself uses less than 5 mA and you can figure about 350 mA for a keyboard However the total required is determined by the current draw of your backlight which is the main reason we...

Page 6: ...e of the current line End Moves the cursor to the right of last character of the current line If the line is full it will be moved to the last space Home Moves the cursor to the start of the current line Page up Moves cursor to the top of the display Page down Moves the cursor to the bottom of the display Insert Pressing the insert key will toggle between the insert mode and the overwrite mode In ...

Page 7: ...a at the time Shift F4 Inserts a sign also seemed like a good idea F5 Increases the display s contrast every time it s pressed stops at the maximum setting F6 Decrease the display s contrast stops at the minimum setting F7 Increases the backlight level stops at the maximum setting WARNING there is nothing preventing you from over driving the backlight and burning it out It is highly recommended th...

Page 8: ...includes reference software ready for your customization or we can do that too Standard disclaimers things our lawyer wants you to know The EDP I is warranted against defects in material or workmanship for 90 days However under no circumstances will JEM Innovation be liable for indirect or consequential damages no other warranty is expressed or implied This warranty does not apply to units that ha...

Page 9: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information JEM Innovation Inc EDP I ...

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