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| 型号： | ADE7953ACPZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 52/72页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PH 28LFCSP |
| 标准包装： | 1 |
| 输入阻抗： | 660 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： | 6.8mA |
| 电源电压： | 3 V ~ 3.6 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 28-LFCSP-WQ（5x5） |
| 包装： | 托盘 |
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ADE7953
SPI INTERFACE
The serial peripheral interface (SPI) uses all four communica-
tion pins: CS, SCLK, MOSI, and MISO. The SPI communication
operates in slave mode and, therefore, a clock must be provided
on the SCLK pin (MOSI is an input, and MISO is an output).
This clock synchronizes all communications and can operate up
section for more information about the communication timing
requirements.
The MOSI pin is an input to the ADE7953 ; data is shifted in on
the falling edge of SCLK to be sampled by the ADE7953 on the
rising edge. The MISO pin is an output from the ADE7953 ; data
is shifted out on the falling edge of SCLK and should be sampled
by the external microcontroller on the rising edge.
The SPI communication packet consists of two initial bytes
that contain the address of the register that is to be read from
or written to. This address should be transmitted MSB first. The
third byte of the communication determines whether a read or
a write is being issued.
CS
SCLK
Data Sheet
The most significant bit of this byte should be set to 1 for a read
operation and to 0 for a write operation. When the third byte
transmission is complete, the register data is either sent from the
ADE7953 on the MISO pin (in the case of a read) or is written
to the ADE7953 MOSI pin by the external microcontroller (in
the case of a write). All data is sent or received MSB first. The
length of the data transfer depends on the width of the register
being accessed. Registers can be 8, 16, 24, or 32 bits long.
an SPI read and an SPI write, respectively. As shown in these
figures, the CS (chip select) input must be driven low to initialize
the communication and driven high at the end of the communi-
cation. Bringing the CS input high before the completion of a
data transfer ends the communication. In this way, the CS input
performs a reset function on the SPI communication. The CS
input allows communication with multiple devices on the same
microcontroller SPI port.
15 14
1 0
MOSI
MISO
REGISTER ADDRESS
1 0 0 0 0 0 0 0
31 30
1 0
REGISTER VALUE
Figure 68. SPI Read
CS
SCLK
15 14
1 0
31 30
1 0
MOSI
REGISTER ADDRESS
0 0 0 0 0 0 0 0
REGISTER VALUE
Figure 69. SPI Write
Rev. B | Page 52 of 72
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7953ACPZ-RL | 功能描述:IC ENERGY METERING 1PH 28LFCSP 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:* |
| ADE7978ACPZ | 制造商:Analog Devices 功能描述: |
| ADE7978ACPZ-RL | 功能描述:3 Phase Meter IC 28-LFCSP-WQ (5x5) 制造商:analog devices inc. 系列:- 包装:带卷（TR） 零件状态:在售 输入阻抗:280 千欧 测量误差:- 电压 - I/O 高:2.4V 电压 - I/O 低:0.8V 电流 - 电源:10.6mA 电压 - 电源:2.97 V ~ 3.63 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:28-WFQFN 裸露焊盘，CSP 供应商器件封装:28-LFCSP-WQ（5x5） 标准包装:5,000 |
| ADE8052-DWDL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver |
| ADE8052-EMUL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver |
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