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参数资料
| 型号： | ADE7878ACPZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | Poly Phase Multifunction Energy Metering IC With Total And Fundamental Powers, No Of Pins: 40, Temperature Range: Ind |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC40 |
| 封装： | 6 X 6 MM, ROHS COMPLIANT, MO-220WJJD, LFCSP-40 |
| 文件页数： | 63/96页 |
| 文件大小： | 1096K |
| 代理商： | ADE7878ACPZ |
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ADE7854/ADE7858/ADE7868/ADE7878
Rev. E | Page 66 of 96
I2C Write Operation
The write operation using the I2C interface of the ADE7854/
ADE7858/ADE7868/ADE7878 initiate when the master generates
a start condition and consists in one byte representing the
address of the ADE78xx followed by the 16-bit address of the
target register and by the value of the register.
The most significant seven bits of the address byte constitute
the address of the ADE7854/ADE7858/ADE7868/ADE7878
and they are equal to 0111000b. Bit 0 of the address byte is a
read/write bit. Because this is a write operation, it has to be
cleared to 0; therefore, the first byte of the write operation is
0x70. After every byte is received, the ADE7854/ADE7858/
ADE7868/ADE7878 generate an acknowledge. As registers can
have 8, 16, or 32 bits, after the last bit of the register is transmitted
and the ADE78xx acknowledges the transfer, the master gene-
rates a stop condition. The addresses and the register content
are sent with the most significant bit first. See
for
details of the I2C write operation.
ACKNOWLEDGE
GENERATED BY
ADE78xx
ST
A
R
T
ST
O
P
S
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
A
C
K
S
0
15
SLAVE ADDRESS
MS 8 BITS OF
REGISTER ADDRESS
LS 8 BITS OF
REGISTER ADDRESS
BYTE 3 (MS)
OF REGISTER
BYTE 2 OF REGISTER
BYTE 1 OF REGISTER
BYTE 0 (LS) OF
REGISTER
87
0
31
16
15
8
7
0
7
111000 0
08
51
0-
05
9
Figure 81. I2C Write Operation of a 32-Bit Register
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7878ACPZ | 制造商:Analog Devices 功能描述:IC MULTIFUNCTION ENERGY METERING LFCSP40 |
| ADE7878ACPZ-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:* |
| ADE7878XCPZ | 制造商:Analog Devices 功能描述:POLY PHASE MULTIFUNCTION ENERGY METERING IC WITH TOTAL - Bulk |
| ADE7880 | 制造商:Analog Devices 功能描述:BOARD EVAL ENERGY METER ADE |
| ADE7880ACPZ | 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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