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Tool/software: Code Composer Studio
Hello!
I have successfully interface LCD with MSP430fg4250 and MSP430g6626. Currently I am working on MSP430f427A but I am unable to interface successfully. I can write the data in LCDMEM registers but the data is not being displayed on LCD. I am not sure but it seems to be a problem with controller's frequency.
Also I want to know if the External Resistors shown in the LCD Block Diagram are mandatory to attach.Please help me out.
(This picture is taken from User Guide of MSP430x4xx Family)
Hello Meet,
Those are external resistors creating a voltage divider for the LCD bias voltage levels. Have you had a chance to read through the following resources? They are very helpful when using MSP430s with LCDs. For the first reference, search "resistor" to find the sections discussing their purpose in more detail.
Designing With MSP430™ MCUs and Segment LCDs
Driving Large LCDs With LCD Peripheral of the MSP430
Regards,
James
Meet Agrawal said:I want the values of register for lcd
Have you read through the Section 25 LCD Controller in the User's Guide yet? Also, you can refer to our F427A code examples found under Tools & Software tab > Software section (linked here). There are several LCD examples.
Regards,
James
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