參數(shù)資料
型號(hào)： ADE7758ARW
廠商： ANALOG DEVICES INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： Poly Phase Multifunction Energy Metering IC with Per Phase Information
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO24
封裝： MS-013-AD, SOIC-24
文件頁數(shù)： 57/68頁
文件大?。?/td> 1584K
代理商： ADE7758ARW
ADE7758
ADE7758 SERIAL READ OPERATION
During a data read operation from the ADE7758, data is shifted
out at the DOUT logic output on the rising edge of SCLK. As
was the case with the data write operation, a data read must be
preceded with a write to the communications register.
Rev. A | Page 57 of 68
With the ADE7758 in communications mode and CS logic low,
an 8-bit write to the communications register first takes place.
The MSB of this byte transfer must be a 0, indicating that the
next data transfer operation is a read. The seven LSBs of this
byte contain the address of the register that is to be read. The
ADE7758 starts shifting out of the register data on the next
rising edge of SCLK (see Figure 93). At this point, the DOUT
logic output switches from a high impedance state and starts
driving the data bus. All remaining bits of register data are
shifted out on subsequent SCLK rising edges. The serial
interface enters communications mode again as soon as the
read has been completed. The DOUT logic output enters a high
impedance state on the falling edge of the last SCLK pulse. The
read operation may be aborted by bringing the CS logic input
high before the data transfer is completed. The DOUT output
enters a high impedance state on the rising edge of CS.
When an ADE7758 register is addressed for a read operation,
the entire contents of that register are transferred to the serial
port. This allows the ADE7758 to modify its on-chip registers
without the risk of corrupting data during a multibyte transfer.
Note that when a read operation follows a write operation, the
read command (i.e., write to communications register) should
not happen for at least 1.1 μs after the end of the write operation.
If the read command is sent within 1.1 μs of the write operation,
the last byte of the write operation may be lost.
0
SCLK
CS
t
1
t
10
t
13
0
A6
A4
A5
A3
A2
A1
A0
DB0
DB7
DB0
DB7
DIN
DOUT
t
11
t
12
COMMAND BYTE
MOST SIGNIFICANT BYTE
LEAST SIGNIFICANT BYTE
t
9
Figure 93. Serial Interface Read Timing Diagram
相關(guān)PDF資料
PDF描述
ADE7758ARWRL Poly Phase Multifunction Energy Metering IC with Per Phase Information
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADE7758ARWRL 制造商:Analog Devices 功能描述:Energy Measurement 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:IC ENERGY METER
ADE7758ARWZ 功能描述:IC ENERGY METERING 3PHASE 24SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:*
ADE7758ARWZ 制造商:Analog Devices 功能描述:ENERGY METERING IC 制造商:Analog Devices 功能描述:IC, POLY-PHASE ENERGY METERING, SOIC-24
ADE7758ARWZ 制造商:Analog Devices 功能描述:IC ENERGY METER 3 PHASE SOIC-24
ADE7758ARWZRL 功能描述:IC ENERGY METERING 3PHASE 24SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測量 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:*
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