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An external power supply must provide a voltage between 6 V and 10 V DC and must provide a minimum current of 800 mA. The center post of the power supply connector on the MSP Gang Programmer is the positive-voltage terminal. The programmer indicates the status of the power supply connection by using system LEDs and the LCD back light.
芯片电压电流要求如下
The MSP Gang Programmer can supply power at a specified voltage VCC to each target device (pin 2 on each 14-pin JTAG, SBW, SWD, or BSL cable). The maximum current for each target device is programmable to 30 mA or 50 mA.If the higher current limit is selected (50 mA) and eight target devices are connected, then the total current to all devices can reach up to 400 mA. In this case, the connect an external power supply to the MSP Gang Programmer. The USB cannot supply this current, because the USB port maximum current is 0.5 A, and the MSP Gang Programmer uses 150 mA, leaving 350 mA for the target devices.
