参数资料
型号: ADE7868ACPZ
厂商: Analog Devices Inc
文件页数: 72/100页
文件大小: 0K
描述: IC ENERGY METERING 3PH 40LFCSP
标准包装: 1
输入阻抗: 400 千欧
测量误差: 0.1%
电压 - 高输入/输出: 2.4V
电压 - 低输入/输出: 0.4V
电流 - 电源: 22mA
电源电压: 3 V ~ 3.6 V
测量仪表类型: 3 相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘,CSP
供应商设备封装: 40-LFCSP-WQ(6x6)
包装: 托盘
ADE7854/ADE7858/ADE7868/ADE7878
SPI Write Operation
The write operation using the SPI interface of the ADE78xx
initiates when the master sets the SS/HSA pin low and begins
sending one byte representing the address of the ADE7854/
ADE7858 / ADE7868 / ADE7878 on the MOSI line. The master
sets data on the MOSI line starting with the first high-to-low
transition of SCLK. The SPI of the ADE78xx samples data on
the low-to-high transitions of SCLK. The most significant seven
bits of the address byte can have any value, but as a good pro-
gramming practice, they should be different from 0111000b, the
SS
SCLK
Data Sheet
seven bits used in the I 2 C protocol. Bit 0 (read/write) of the
address byte must be 0 for a write operation. Next, the master
sends both the 16-bit address of the register that is written and
the 32-, 16-, or 8-bit value of that register without losing any
SCLK cycle. After the last bit is transmitted, the master sets the
SS and SCLK lines high at the end of the SCLK cycle and the
communication ends. The data lines, MOSI and MISO, go into
a high impedance state. See Figure 90 for details of the SPI write
operation.
15 14
1 0 31 30
1 0
MOSI
0 0 0 0 0 0 0 0
REGISTER ADDRESS
REGISTER VALUE
Figure 90. SPI Write Operation of a 32-Bit Register
Rev. H | Page 72 of 100
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ADE7868ACPZ-RL 功能描述:IC ENERGY METERING 3PH 40LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:*
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ADE7878AACPZ 功能描述:IC ENERGY METERING 3PH 40LFCSP 制造商:analog devices inc. 系列:- 包装:托盘 零件状态:有效 输入阻抗:400 千欧 测量误差:0.2% 电压 - I/O 高:2V,2.4V 电压 - I/O 低:0.4V,0.8V 电流 - 电源:20mA 电压 - 电源:2.8 V ~ 3.7 V 表计类型:3 相 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘,CSP 供应商器件封装:40-LFCSP-WQ(6x6) 标准包装:1
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