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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STMPE812 датащи(PDF) 6 Page - STMicroelectronics |
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STMPE812 датащи(HTML) 6 Page - STMicroelectronics |
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6 / 51 page  STMPE812 functional overview STMPE812 6/51 Doc ID 17732 Rev 3 Note: All I/O operates on VCC. All I/O tolerant up to 3.6 V, across VCC = 1.65 - 3.6 V. 8 kV HBM ESD on all touchscreen pins (+/- 8 kV vs GND). 0.5 µA max input leakage as input, across VCC range (GPIO, SCL/SDA). 4 µs hardware filter on the 4 GPIOs as input. 1.2 Typical application Figure 3. Typical application B2 P0 +8 mA/-12 mA at 3.3 V GPIO-1 / ADC (3.6 V tolerant within VCC valid range, VIN_ADC must be less htan VCC) A2 VCC Can be > 80 mA load at touchscreen and GPIO drive 1.65 - 3.6 V core/IO supply (0.1 µF decoupling cap) No low-voltage detection for POR 20 µs POR from power stable A3 X+ 50 mA current limit X+ Table 2. Pin assignments (continued) Pin Name Current capacity Function Obsolete Product(s) - Obsolete Product(s) |
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