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AN3311 数据表(PDF) 10 Page - STMicroelectronics |
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AN3311 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 58 page ![]() Multi-input embedded GUI library AN3311 10/58 Doc ID 18209 Rev 1 Figure 3. I/O expander hardware configuration on the STM3210C-EVAL AM08449v1 Y- 1 INT 2 A0/Data A0/Data Out Out 3 4 5 VC VCC 6 Data Data in 7 IN0 8 IN1 9 GN GND 10 10 IN2 11 11 IN3 12 12 X+ 13 13 Vio Vio 14 14 Y+ 15 15 X- 16 16 U7 ST STMPE81 811 Y- 1 INT 2 A0/Data A0/Data Out Out 3 4 5 VC VCC 6 Data Data in 7 IN0 8 IN1 9 GN GND 10 10 IN2 11 11 IN3 12 12 X+ 13 13 Vio Vio 14 14 Y+ 15 15 X- 16 16 U8 ST STMPE81 811 R5 R56 10 10K +3V +3V3 I2C devic device address:0x8 address:0x8 2 I2C devic device address:0x8 address:0x88 +3V +3V3 +3V +3V3 R5 R57 100 100K R5 R58 100 100K TouchScreen_X+ TouchScreen_X+ TouchScreen_X- TouchScreen_X- TouchScreen_Y+ TouchScreen_Y+ TouchScreen_Y- TouchScreen_Y- EXP EXP_I _IO2 EXP EXP_I _IO3 EXP EXP_I _IO4 EXP EXP_I _IO5 EXP EXP_I _IO6 EXP EXP_I _IO7 EXP EXP_I _IO8 EXP EXP_I _IO9 EXP EXP_I _IO1 O10 EXP EXP_I _IO1 O11 EXP EXP_I _IO1 O12 EXP EXP_I _IO1 R160 R160 10 10K R15 R159 0 +3V +3V3 R3 R37 10 10K R164 R164 10 10K +3V +3V3 C8 C89 100n 100nF C9 C90 100n 100nF PB6 PB7 PB1 B14 IO_Expander_SCK IO_Expander_SDA IO_Expander_INT SCLK SCLK SDAT SDAT SCLK SCLK SDAT SDAT |
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