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AS3722 数据表(PDF) 9 Page - ams AG |
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AS3722 数据表(HTML) 9 Page - ams AG |
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9 / 198 page ![]() ams Datasheet Page 9 [v1-01] 2015-Sep-07 Document Feedback AS3722 − Pin Assignment D5 D8 GPIO2 DIO General purpose input/output pin VSUP Open E4 C9 GPIO3 DIO General purpose input/output pin VSUP Open B3 B10 GPIO4 DIO General purpose input/output pin VSUP Open C2 A11 GPIO5 DIO General purpose input/output pin VSUP Open B4 F7 GPIO6 DIO General purpose input/output pin VSUP Open D2 B12 GPIO7 DIO General purpose input/output pin VSUP Open H2 D12 V2_5 AO Output voltage of low power LDO V2_5 3.6V Mandatory J4 E11 CREF AIO Bypass capacitor for the internal voltage reference; connect 100nF V2_5 Mandatory J2 F11 RBIAS AIO External resistor; always connect a resistor of 220kΩ (±1%) to VSSA V2_5 Mandatory H4 VBAT_BKUP AIO Backup battery input 3.6V Open A1 G7 VSSA AIO Analog GND input - Mandatory A14 G6 VSSA AIO Analog GND input - Mandatory J7 E6 VSSA AIO Analog GND input - Mandatory P1 F9 VSSA AIO Analog GND input - Mandatory P14 VSSA AIO Analog GND input - Mandatory F7 VSSA AIO Analog GND input - Mandatory D1 B11 CLK32K DO 32kHz clk output push/pull to VDD_GPIO_lv VSUP Open G1 E10 XIN32K AIO Connect to 32kHz crystal oscillator V2_5 Open G2 E9 XOUT32K AIO Connect to 32kHz crystal oscillator V2_5 Open K4 GNDSENSE AIO Analog sense GND input (connect to VSSA on WL-CSP) -Mandatory Pin Number Pin Name I/O Description Maximum Voltage If Not Used CTBGA WL-CSP |
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