stmpe812a STMicroelectronics, stmpe812a Datasheet - Page 24

• Manufacturer Part Number: stmpe812a
• Description: S-touch? Enhanced 4-wire Resistive Touchscreen Controller With Pwm And Dedicated Reset Pin
• Manufacturer: STMicroelectronics

ADC controller
9
24/52
ADC controller
A 12-bit ADC is integrated in the STMPE812A. 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 V
Table 9.
0x21-0x22
Address
0x20
Register name
ADC control
ADC data
Doc ID 18225 Rev 2
Bit
16
8
Type
R/W
R
0x0000
Reset
0x33
CC
), always 12 bit.
ADC data access (P1)
Description
ADC control
STMPE812A