stmpe610 STMicroelectronics, stmpe610 Datasheet - Page 25

• Manufacturer Part Number: stmpe610
• Description: Advanced Touch Screen Controller With 6-bit Port Expander
• Manufacturer: STMicroelectronics

STMPE610
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 touch screen controller capable
of controlling a 4-wire resistive touch screen.
Table 13.
Address
0x20
0x21
0x22
0x30
0x32
0x38
0x3A
0x3C
0x3E
AddINT_EN
ADC controller register summary table
Register name
ADC_CTRL1
ADC_CTRL2
ADCCapture
ADC_DATA_CH0
ADC_DATA_CH1
ADC_DATA_CH4
ADC_DATA_CH5
ADC_DATA_CH6
ADC_DATA_CH7
Size
8
8
8
8
8
8
8
8
8
ADC control
ADC control
To initiate ADC data acquisition
ADC channel 0 (IN3/GPIO-3)
ADC channel 1 (IN2/GPIO-2)
ADC channel 4 (TSC)
ADC channel 5 (TSC)
ADC channel 6 (TSC)
ADC channel 7 (TSC)
Analog-to-digital converter
Description
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