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STMPE812ABJR датащи(PDF) 15 Page - STMicroelectronics |
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STMPE812ABJR датащи(HTML) 15 Page - STMicroelectronics |
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15 / 53 page ![]() STMPE812A Power modes Doc ID 18225 Rev 4 15/53 5 Power modes The STMPE812A operates in a 2 states: active and hibernate. Active: – Whenever PEN-DOWN is detected, the device remains in active mode – Whenever PWM is active, the device remains in active mode – Whenever ADC is active, the device remains in ACTIVE MODE Hibernate: -PWM/ADC must be “off” (clock disable bit SET) -Any GPIO input, with interrupt enabled, causes a transition to “active” state, if an input change is detected. -Pen down even causes transition to “active” state if the touchscreen controller is enabled. Table 6. Power mode Power mode Active Hibernate Current consumption 280 µA (max)(1) 1. At Vcc=1.8V, TCS running at 100sets of X/Y per second, MAV disabled. 1.0 µA (max.) GPIO hotkey Yes Yes Touchscreen Yes Yes Interface (I2C) Yes Yes |
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