▍1. jiliang
ATT7053B单相计量芯片程序 ATT7053BU 是一颗带SPI 通讯接口的单相多功能计量芯片(EMU)。 芯片的工作电压范围是4.5 ~ 5.5V。 工作晶振为6MHz。(ATT7053B single-phase metering chip program ATT7053BU of a single-phase multi-function measurement chip with SPI communication interface (EMU). Chip operating voltage range is 4.5 to 5.5V. The work of the crystal is 6MHz.)