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STMPE821 数据表(PDF) 5 Page - STMicroelectronics

部件名 STMPE821
功能描述  8-bit Xpander Logic??with touchkey controller
PDF  55 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STMPE821 数据表(HTML) 5 Page - STMicroelectronics

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STMPE821
STMPE821 functional overview
5/55
1.2
Pin assignment and function
Figure 2.
STMPE821 pin assignment (top view)
Table 2.
Pin assignments 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
4
ARef
Reference capacitor for touch sensor
5
RST
RESET (active low)
6SDA
I2C data
7SCL
I2C clock
8
INT
INT output
9GND
GND
10
VCC
Supply voltage for I2C block
11
VIO
Supply voltage for GPIO and internal regulator
12
GPIO_7/Touch_7
GPIO 7
13
GPIO_6/Touch_6
GPIO 6
14
GPIO_5/Touch_5
GPIO 5
15
GPIO_4/Touch_4
GPIO 4
16
GPIO_3/Touch_3
GPIO 3
CS00045
16
15
14
13
5
6
7
8
12
3
4
12
11
10
9
STMPE821



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