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STMPE821 데이터시트(PDF) 35 Page - STMicroelectronics

부품명 STMPE821
상세설명  8-channel capacitive touch key controller
PDF  55 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE821 데이터시트(HTML) 35 Page - STMicroelectronics

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STMPE821
Capacitive touch module registers
35/55
TVR
Touch variance setting
Address:
0X30 - 0x3B
Type:
R/W
Reset:
0x08
Description:
Touch variance setting.
76
543
2
1
0
RESERVED
TVR
[7] RESERVED
[6:0] TVR:
Setting TVR between 0-99
A high TVR value decreases sensitivity of the sensor, but increasing its tolerance to ambient
noise
A small TVR value increases the sensitivity.



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