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AS3676 bảng dữ liệu(PDF) 58 Page - ams AG |
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AS3676 bảng dữ liệu(HTML) 58 Page - ams AG |
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58 / 92 page ![]() www.austriamicrosystems.com/AS3676 1v1-4 57 - 91 AS3676 Datasheet - D e ta i l e d D e s c r i p t i o n 8.5 General Purpose Input / Output The GPIOs are a highly-configurable general purpose input/output pins which can be used for the following functional- ity: Digital Schmitt Trigger Input Digital Output with 4mA Driving Capability at 2.8V Supply (VANA) Tristate Output Analog Input to the ADC Default Mode for GPIO1/DLS, GPIO2/LIGHT and VANA/GPI is Input (Pull-Down) 1 curr2_on_dls 0R/W 0 CURR2 current sink is not combined with DLS 1 CURR2 current sink is combined with DLS 2 curr41_on_dls 0R/W 0 CURR41 current sink is not combined with DLS 1 CURR41 current sink is combined with DLS 3 curr42_on_dls 0R/W 0 CURR42 current sink is not combined with DLS 1 CURR42 current sink is combined with DLS 4 curr43_on_dls 0R/W 0 CURR43 current sink is not combined with DLS 1 CURR43 current sink is combined with DLS 7 curr6_on_dls 0R/W 0 CURR6 current sink is not combined with DLS 1 CURR6 current sink is combined with DLS Table 94. GPIO Pin Function Summary GPIO Pin Configuration Additional Function GPIO1/DLS Digital Input, Totem-Pole Output (Push/Pull), Open Drain (PMOS or NMOS), High-Z, Pull- Down or Pull-Up Resistor ADC Input, PWM Input, DLS input (see page 55) GPIO2/LIGHT Digital Input, Totem-Pole Output (Push/Pull), Open Drain (PMOS or NMOS), High-Z, Pull- Down or Pull-Up Resistor ADC Input, ALS - light sensor input (see page 47) VANA/GPI Digital Input 1 1. As VANA/GPI is used as a power supply for GPIO1/DLS, GPIO2/LIGHT, it is not recommended to use it as a digital input. ADC Input, LDO output Table 93. DLS mode control2 Register (Continued) Addr: 57h DLS mode control2 Setup which current sinks are connected to the DLS; if set to '1' the correspond current source (sink) is combined with the DLS input Bit Bit Name Default Access Description |
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