4D systems gen4 Series Datasheet
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Contents
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gen4 Display Module Series gen4-uLCD-24PT - 2.4”© 2017 4D SYSTEMS Page 8 of 22 www.4dsystems.com.auIO4/BUS_RD pin (GPIO IO4 or BUS_RD pin):General Purpose IO4 pin. Also used for BUS_RD signalto read and latch the data in to the parallel GPIOBUS0..BUS7.IO5/BUS_WR pin (GPIO IO5 or BUS_WR pin):General Purpose IO5 pin. Also used for BUS_WRsignal to write and latch the data to the parallel GPIOBUS0..BUS7.BUS0-BUS7 pins (GPIO 8-Bit Bus):8-bit parallel General purpose I/O Bus.Note: GPIO pins are 5.0V tolerant. All pins output at3.3V levels.4.3. System Pins+5V IN (Module Voltage Input)Module supply voltage input pins. Both of these pinsshould be connected to a stable supply voltage in therange of 4.0 Volts to 5.5 Volts DC. Nominal operatingvoltage is 5.0 Volts. Note backlight brightness will belower for voltages under 5.0V.GND (Module Ground)Device ground pins. At least two pins should beconnected to ground.RESET (Module Master Reset)Module Master Reset pin. An active low pulse ofgreater than 2μs will reset the module. Internallypulled up to 3.3V via a 10K resistor. Only use opencollector type circuits to reset the device if anexternal reset is required.AUDENB (Audio Enable Output)Output dedicated to enable or disable and externalamplifier, where required.AUDIO (PWM Audio Output)Output specifically for Audio. This pin is a PWMoutput from the Picaso Processor. This pin is a 3.3Vlevel PWM output to drive an external amplifier withPicaso generated Audio, via an external filteringcircuit to turn digital PWM into Analog. Note thatAUDENB must be enabled in Picaso for any inputsignal to be heard.4.4. I2CThere is one I2C Master Channel on the Picasoprocessor. The I2C channel is Master only, and cannotbe configured to be a slave at this time.To setup the I2C Channel the following 4DGL functionis used:I2C_Open(Speed);Where ‘Speed’ is the desired I2C Bus speed. Thereare then an array of functions, typical of any I2Ccapable processor, such as Close, Start, Stop, Restart,Read, Write, Ack, Nack, etc…Please refer to the separate document titled 'Picaso4DGL Internal Functions’ for more information onhow to use the I2C functions, along with the separatedocument titled ‘Picaso-Processor Datasheet’. |
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gen4 Seriesgen4-uLCD-24PTgen4-uLCD-24PT-ARgen4-uLCD-24PT-PIgen4-uLCD-32Dgen4-uLCD-32D-ARgen4-uLCD-32D-CLBgen4-uLCD-32D-CLB-ARgen4-uLCD-32D-CLB-PIgen4-uLCD-32D-PIgen4-uLCD-32DCT-CLBgen4-uLCD-32DCT-CLB-ARgen4-uLCD-32DCT-CLB-PIgen4-uLCD-32DTgen4-uLCD-32DT-ARgen4-uLCD-32DT-PIgen4-uLCD-32PTgen4-uLCD-32PT-ARgen4-uLCD-32PT-PISK-gen4-24PTSK-gen4-24PT-ARSK-gen4-24PT-PISK-gen4-32DSK-gen4-32D-ARSK-gen4-32D-CLBSK-gen4-32D-CLB-ARSK-gen4-32D-CLB-PISK-gen4-32D-PISK-gen4-32DCT-CLBSK-gen4-32DCT-CLB-PISK-gen4-32DTSK-gen4-32DT-ARSK-gen4-32DT-PISK-gen4-32PTSK-gen4-32PT-ARSK-gen4-32PT-PISKgen4-32DCT-CLB-AR
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