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AKD4203-A Datasheet(PDF) 2 Page - Asahi Kasei Microsystems |
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AKD4203-A Datasheet(HTML) 2 Page - Asahi Kasei Microsystems |
2 / 19 page ASAHI KASEI [AKD4203-A] <KM107701> 2011/09 - 2 - EVALUATION BOARD MANUAL Operation Sequence 1) Set up the power supply lines. Name of Jack Color of Jack Voltage Used for Comment and attention Default of Jack REG+5V Yellow +4.8 ∼+5.2V input Regulator Connect only when using regulator. open VDD1 Red +3.0 ∼+3.6V AK4203 VDD1 Should be connected when JP7 (VDD1) is set to REG side. Should be open when JP7 (VDD1) is set to VDD1 side. +3.3V VDD2 Red +3.0 ∼+3.6V AK4203 VDD2 Should be connected when JP4 (VDD2) is set to REG side. Should be open when JP4 (VDD2) is set to VDD2 side. +3.3V D3.3V Red +3.0 ∼3.6 V Logic Power supply Should be connected when JP5 (D3.3V) is set to REG side. Should be open when JP5 (D3.3V) is set to D3.3V side. +3.3V VSS1 Black 0V Analog Ground Should always be connected 0V VSS2 Black 0V Analog Ground Should always be connected 0V Table 1. Power supply lines Each supply line should be distributed from the power supply unit. 2) Set-up jumper pins. (See the followings.) 3) Power on. Jumper Pins Set Up [JP4] (VDD2): Regulator (+3.3V) or VDD2 connector OPEN: The VDD2 pin is supplied via the VDD2 connector. <Default> SHORT: The VDD2 pin is supplied via the regulator (+3.3V). (The connector “VDD2” must be open.) [JP5] (D3.3V): Regulator (+3.3V) or D3.3V connector OPEN: Logic voltage is supplied via the D3.3V connector. <Default> SHORT: Logic voltage is supplied via the regulator (+3.3V). (The connector “D3.3V” must be open.) [JP6] (VDD): VDD1 and VDD2 OPEN: Separated<Default> SHORT: Connected [JP7] (VDD1): Regulator (+3.3V) or VDD1 connector OPEN: The VDD1 pin is supplied via the VDD1 connector. <Default> SHORT: The VDD1 pin is supplied via the regulator (+3.3V). (The connector “VDD1” must be open.) The regulator can be supplied 3.3V to all circuits by shorting JP4, JP5 and JP7, and supplying +5V to REG+5V Connector. |
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