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STMPE812A 数据表(PDF) 5 Page - STMicroelectronics |
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STMPE812A 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 53 page  STMPE812A STMPE812A functional overview Doc ID 18225 Rev 4 5/53 1.1 Pin configuration and functions Figure 2. Pin configuration (top through view) Table 2. Pin assignments Pin Name Current capacity Function B3 Y+ 50 mA current limit Y+ C3 X- 50 mA current limit X- D3 Y- 50 mA current limit Y- C2 RESETN +8 mA/-12 mA at 3.3 V Active low RESET (3.6 V tolerant within VCC valid range). Typical reset filter duration is 788 ns at 1.8 V VCC. D2 GND Can be > 80 mA load at touchscreen and GPIO drive Ground D1 SCL -4 mA I2C clock (fail safe, tolerant to 3.6 V regardless of VCC) |
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