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此前使用MSP430F2122 P3.0/P3.1作为LED输出口, 接入220 ohm 能点亮1.9伏绿光LED。但现在换用MSP430G2433，同样的电路，却不能点亮LED了，请问是不是输出口的能力不足?有解决的办法？谢谢。
IO口高电平驱动LED的电流能力有限，建议采用低电平点亮LED，VCC接电阻到LED。
