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参数资料
| 型号： | ADE7953ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 54/72页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METERING 1PH 28LFCSP |
| 标准包装： | 5,000 |
| 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： | 带卷 (TR) |
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The I C read operation is performed in two stages. The first
ADE7953
I 2 C Read Operations
2
stage sets the pointer to the address of the register to be
accessed. The second stage reads the contents of the register.
As shown in Figure 71, the first stage is initiated when the
master issues a start condition, which consists of the slave
address and the read/write bit. Because this first step sets up
the pointer to the address, the LSB of the start byte should be
set to 0 (write). The start condition is followed by the 16-bit
address of the target register. After each byte is received, the
ADE7953 issues an acknowledge (ACK) to the master.
Data Sheet
The second stage of the read operation begins with the master
generating a new start condition. This start condition consists of
the same slave address but with the LSB set to 1 to signify that a
read is being issued. After this byte is received, the ADE7953
issues an acknowledge (ACK). The ADE7953 then sends the
register contents to the master, which acknowledges the reception
of each byte. All bytes are sent MSB first. The register contents
can be 8, 16, 24, or 32 bits long. After the final byte of register
data is received, the master issues a stop condition in place of
the acknowledge to indicate the completion of the communication.
15
8
7
0
S
0
1
1
1
0
0
0
0
C MSB OF REGISTER ADDRESS C LSB OF REGISTER ADDRESS C
SLAVE ADDRESS
A A A
K K K
ACK GENERATED BY
ADE7953
ACK GENERATED BY
MASTER
A
A
A
23
16
C 15
K
8
C
K
7
0
C
K
7
0
S
0
1
1
1
0
0
0
1
P
SLAVE ADDRESS
A
C
K
BYTE 3 (MSB)
OF REGISTER
BYTE 2 OF REGISTER
BYTE 1 OF REGISTER
BYTE 0 (LSB)
OF REGISTER
ACK GENERATED BY
ADE7953
Figure 71. I 2 C Read
Rev. B | Page 54 of 72
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相关代理商/技术参数 |
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| 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 |
| ADE8052-PRG1 | 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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