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MSP430G2755引脚问题

user5967390
Intellectual 380 points
Other Parts Discussed in Thread: BQ76930

P1.4引脚的功能是通用数字I/O引脚、SMCLK信号输出、JTAG测试时钟，用于设备编程和测试的输入终端。有人能告诉我为什么BQ76930的报警引脚ALERT-U要接在这个引脚上吗？