ADS1220

• Arduino library

• // |ADS1220 pin label| Pin Function |Arduino Connection|
• // |-----------------|:--------------------:|-----------------:|
• // | DRDY | Data ready Output pin| D6 |
• // | MISO | Slave Out | D12 |
• // | MOSI | Slave In | D11 |
• // | SCLK | Serial Clock | D13 |
• // | CS | Chip Select | D7 |
• // | DVDD | Digital VDD | +5V |
• // | DGND | Digital Gnd | Gnd |
• // | AN0-AN3 | Analog Input | Analog Input |
• // | AVDD | Analog VDD | - |
• // | AGND | Analog Gnd | - |

Combined Wirings

• AVSS - GND(-)
• AIN0 - analog input pin - provide up to 2.048V (!) voltage source to be measured and displayed
• AIN1 - n.c.
• AIN2 - n.c.
• AIN3 - n.c.
• AVDD - +3.3V(+)
• REFP - n.c.
• REFN - n.c.
• VDD - +3.3V
• DRDY#- to D4 on Olimexino
• CS# - CS# on UEXT.10
• CLK - SCK on UEXT.9
• DIN - MOSI on UEXT.8
• DOUT - MISO on UEXT.7
• GND - GND(-)
• AVSS - GND(-)