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AN2591 Datasheet(PDF) 13 Page - STMicroelectronics

Part # AN2591
Description  In certain applications
PDF  19 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2591 Datasheet(HTML) 13 Page - STMicroelectronics

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AN2591
Using a STMPE801 (I²C bus) 8-bit I/O port expander
13/19
Figure 10.
16-channel expander
STR710
SDA
STMPE801MTR
SCL
XTI0
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
VCC
VIO
3.3v
GND
INT
SCLK
SDAT
GPIOX.Y
RESET
ADDR0
4.7K
4.7K
R1
R2
STMPE801MTR
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
VCC
VIO
GND
INT
SCLK
SDAT
RESET
ADDR0
3.3V
XTI1
16 inputs/
outputs
3
5
4
6
7
8
9
10
16
1
15
13
11
12
14
2
3
5
4
6
7
8
9
10
16
1
14
15
13
11
12
2
(I2C device address=0x82)
(I2C device address=0x88)
If needed
If needed



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