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AN3311 Datasheet(PDF) 50 Page - STMicroelectronics |
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AN3311 Datasheet(HTML) 50 Page - STMicroelectronics |
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50 / 58 page ![]() Schematics AN3311 50/58 Doc ID 18209 Rev 1 9.6 I/O expander Figure 31. I/O expander schematic AM08497v1 Y- 1 INT 2 A0/Data Out 3 SCLK 4 SDAT 5 VCC 6 Data in 7 IN0 8 IN1 9 GND 10 IN2 11 IN3 12 X+ 13 Vio 14 Y+ 15 X- 16 U7 STMPE811 Y- 1 INT 2 A0/Data Out 3 SCLK 4 SDAT 5 VCC 6 Data in 7 IN0 8 IN1 9 GND 10 IN2 11 IN3 12 X+ 13 Vio 14 Y+ 15 X- 16 U8 STMPE811 R56 10K +3V3 I2C device address:0x82 I2C device address:0x88 +3V3 +3V3 R57 100K R58 100K IO_Expander_SCK IO_Expander_SDA IO_Expander_INT TouchScreen_X+ TouchScreen_X- TouchScreen_Y+ TouchScreen_Y- EXP_IO2 EXP_IO3 EXP_IO4 EXP_IO5 EXP_IO6 EXP_IO7 EXP_IO8 EXP_IO9 EXP_IO10 EXP_IO11 EXP_IO12 EXP_IO1 R160 10K R159 0 +3V3 R37 10K R164 10K +3V3 C89 100nF C90 100nF PB6 PB7 PB14 |
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