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STMPE1208S データシート(PDF) 34 Page - STMicroelectronics

部品番号 STMPE1208S
部品情報  Xpander Logic with 12-channel touchkey
PDF  51 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1208S データシート(HTML) 34 Page - STMicroelectronics

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Register map and function description
STMPE1208S
34/51
FILTER_THRESHOLD
Filter threshold
Address:
0x2E
Type:
R/W
Reset:
0x00
Description:
Filter threshold.
STRENGTH
Strength
Address:
0x50 - 5B
Type:
R
Reset:
0x00
Description:
Counts the number of times a sensed impedance exceeds calibrated reference
impedance over and integration time. Maximum strength equals integration time [7:0]
7654
3
2
1
0
FILTER_THRESHOLD
[7:0] FILTER_THRESHOLD:
An internal "Filter counter" is compared with Filter Threshold [7:0] to determine if a valid touch
has occurred.
Note: I2C writes to this register will not be acknowledged. However as long as I2C timing is
followed, the writing to this register will work correctly.
765
432
10
STRENGTH
[7:0] STRENGTH:
Read-only field.



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