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STMPE321 数据表(PDF) 4 Page - STMicroelectronics

部件名 STMPE321
功能描述  3-channel capacitive touchkey controller
PDF  40 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE321 数据表(HTML) 4 Page - STMicroelectronics

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STMPE321 functional overview
STMPE321
4/40
Doc ID 15791 Rev 3
1.2
Pin assignment and function
Figure 2.
QFN12 pin assignment (top view)
Table 2.
Pin assignment and function
Pin number
Pin name
Description
1
GPIO_2 / touch 2
GPIO 2
2
GPIO_1 / touch 1
GPIO 1
3
GPIO_0 / touch 0
GPIO 0
4NC
-
5SDA
I2C data
6SCL
I2C clock
7GND
GND
8
VCC
Supply voltage
9
ARef
Reference capacitor for touch sensor
10
NC
-
11
INT
INT output (open drain)
12
RST
RESET (active low)
This pin is internally pulled up to VCC



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