Data Sheet

Analog-to-digital converter STMPE610
24/56 Doc ID 15432 Rev 4
9 Analog-to-digital converter
An 8-input,12-bit analog-to-digital converter (ADC) is integrated in the STMPE610. The ADC
can be used as a generic analog-to-digital converter, or as a touchscreen controller capable
of controlling a 4-wire resistive touchscreen.
AddIN T_EN
Table 13. ADC controller register summary table
Address Register name Size Description
0x20 ADC_CTRL1 8 ADC control
0x21 ADC_CTRL2 8 ADC control
0x22 ADCCapture 8 To initiate ADC data acquisition
0x30 ADC_DATA_CH0 8 ADC channel 0 (IN3/GPIO-3)
0x32 ADC_DATA_CH1 8 ADC channel 1 (IN2/GPIO-2)
0x38 ADC_DATA_CH4 8 ADC channel 4 (TSC)
0x3A ADC_DATA_CH5 8 ADC channel 5 (TSC)
0x3C ADC_DATA_CH6 8 ADC channel 6 (TSC)
0x3E ADC_DATA_CH7 8 ADC channel 7 (TSC)