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HI
我遇到一个比较诡异的问题,如果用USB->TTL 芯片 连接G2553的P1.1, P1.2, GND,无论是否给VCC供电,系统均能正常工作。
此时串口工作正常。
但是如果连接CC1101后,不给430的VCC供电,射频的接收距离为50m,给VCC供电,射频接收距离为25米,降低了50%。
哪位大哥可以给点意见。