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STMPE812 Datasheet(PDF) 23 Page - STMicroelectronics

Part # STMPE812
Description  S-Touch® enhanced 4-wire resistive touchscreen controller with PWM
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE812 Datasheet(HTML) 23 Page - STMicroelectronics

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STMPE812
ADC controller
Doc ID 17732 Rev 3
23/51
9
ADC controller
A 12-bit ADC is integrated in the STMPE812. The ADC could be used as generic analog-
digital converter, or a touchscreen controller capable of controlling a 4-wire resistive
touchscreen.
The ADC works ONLY with internal reference (equal to VCC), always 12 bit.
Table 8.
ADC controller register
Address
Register name
Bit
Type
Reset
Description
0x20
ADC control
8
R/W
0x32
ADC control
0x21-0x22
ADC data
16
R
0x0000
ADC data access (P0/P1)
Obsolete
Product(s)
- Obsolete
Product(s)



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