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#ANALOG TO DIGITAL CONVERTER I2C HOW TO#
In this App Note we described how to use a pair of GreenPAK devices toĬreate an I2C-Readable Analog to Digital Converter. Uint8_t readI2C(byte addr, byte slave_addr, byte bytes_to_read) Uint8_t ADC_value = readI2C(ADC_Pins_Addr, 0x00, 0x01) Microcontroller, and the analog input voltage. Information serially to a microcontroller via I2C.įigure 1 shows the connections between the two GreenPAK devices, theīidirectional I2C SDA and SCL signals which are connected to the The GreenPAK5 receives the 8 digital signals and transmits this The GreenPAK4 reads the Analog voltage,Ĭonverts it to an 8-bit value, and outputs that value in parallel across 8 This 2 chip project uses the SLG46620 GreenPAK4 deviceĪnd the SLG46531 GreenPAK5 device. (ADC), transmit the data via I2C, and read the I2C command using an Arduino This app note will explain how to use GreenPAK to measure an analog voltage,Ĭonvert it to a digital value using an 8-bit Analog to Digital Converter GreenPAK Application Notes, GreenPAK Application Notes Webpage, Dialog Semiconductor.GreenPAK Development Tools, GreenPAK Development Tools Webpage, Dialog Semiconductor.AN-1102 I2C-Readable Analog to Digital Converter.gp, GreenPAK Design File, Dialog Semiconductor.GreenPAK Designer Software, Software Download, and User Guide, Dialog Semiconductor.gp file and use the GreenPAK development tools to freeze the design into your own customized IC in a matter of minutes.ĭialog Semiconductor provides a complete library of application notes įeaturing design examples as well as explanations of features and blocks It works on I2C communication, so there are SCL and SDA pins for serial clock and serial data. This module has four analog input and one analog output. It also has LDR and thermistor circuit provided on the board. For related documents and software, please visit:ĭownload our free GreenPAK Designer software to open the. PCF8591 is an 8 bit analog to digital or 8 bit digital to analog converter module meaning each pin can read analog values up to 256.