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基于MSP430AFE253 智能插座的疑问

Other Parts Discussed in Thread: MSP430AFE253

你好!

本人现在做基于MSP430AFE253 智能插座的研发,对于TI提供的技术资料“Implementation of a Single-Phase Electronic Watt-Hour Meter Using the MSP430AFE2xx “中的Figure 19. Schematic 1(TI slaa494.pdf)有以下疑问:

1、附件中“image000.jpg” 的GND(红线标注)连到哪里?

2、附件中“image000.jpg”的AGND_AFE与DGND_AFE(蓝线标注)怎么连接?