參數(shù)資料
型號(hào)： ADE7763ARS
廠商： ANALOG DEVICES INC
元件分類： 電源管理
英文描述： Single-Phase Active and Apparent Energy Metering IC
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
封裝： MO-150AE, SSOP-20
文件頁(yè)數(shù)： 44/56頁(yè)
文件大?。?/td> 1328K
代理商： ADE7763ARS
ADE7763
SUSPENDING FUNCTIONALITY
The analog and the digital circuit can be suspended separately.
The analog portion can be suspended by setting the ASUSPEND
bit (Bit 4) of the mode register to logic high—see the Mode
Register (0x09) section. In suspend mode, all waveform samples
from the ADCs are set to 0s. The digital circuitry can be halted
by stopping the CLKIN input and maintaining a logic high or
low on the CLKIN pin. The ADE7763 can be reactivated by
restoring the CLKIN input and setting the ASUSPEND bit to
logic low.
Rev. A | Page 44 of 56
CHECKSUM REGISTER
The ADE7763 has a checksum register (CHECKSUM[5:0]) to
ensure that the data bits received in the last serial read operation
are not corrupted. The 6-bit checksum register is reset before
the first bit (MSB of the register to be read) is put on the DOUT
pin. During a serial read operation, when each data bit becomes
available upon the rising edge of SCLK, the bit is added to the
checksum register. At the end of the serial read operation, the
content of the checksum register is equal to the sum of all ones
previously read in the register. Using the checksum register, the
user can determine if an error has occurred during the last read
operation. Note that a read to the checksum register also
generates a checksum of the checksum register itself.
CONTENT OF REGISTER (n-bytes)
CHECKSUM REGISTER
ADDR: 0x3E
+
+
DOUT
0
Figure 79. Checksum Register for Serial Interface Read
SERIAL INTERFACE
All ADE7763 functionality is accessible via several on-chip
registers—see Figure 80. The contents of these registers can be
updated or read using the on-chip serial interface. After power-
on or toggling the RESET pin low and a falling edge on CS, the
ADE7763 is placed in communication mode. In co
tion mode, the ADE7763 expects a write to its communication
to the communication register
register. The data written
determines whether the next data transfer operation is a read or
a write and which register is accessed. Therefore, all data
transfer operations with the ADE7763, whether a read or a
write, must begin with a write to the communication register.
mmunica-
COMMUNICATION
REGISTER
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT
REGISTER 1
REGISTER 2
REGISTER 3
REGISTER n–1
REGISTER n
REGISTER
ADDRESS
DECODE
DIN
DOUT
0
Figure 80. Addressing ADE7763 Registers via the Communication Register
The communication register is an 8-bit-wide register. The MSB
determines whether the next data transfer operation is a read or
a write. The 6 LSBs contain the address of the register to be
accessed—see the Communication Register section for a more
detailed description.
Figure 81 and Figure 82 show the data transfer sequences for a
read and write operation, respectively. Upon completion of a
data transfer (read or write), the ADE7763 again enters the
communication mode. A data transfer is complete when the
LSB of the ADE7763 register being addressed (for a write or a
read) is transferred to or from the ADE7763.
MULTIBYTE
COMMUNICATION REGISTER WRITE
ADDRESS
0
0
DIN
SCLK
CS
DOUT
READ DATA
0
Figure 81. Reading Data from the ADE7763 via the Serial Interface
COMMUNICATION REGISTER WRITE
ADDRESS
0
1
DIN
SCLK
CS
0
0
A
MULTIBYTE
READ DATA
Figure 82. Writing Data to the ADE7763 via the Serial Interface
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADE7763ARSRL 制造商:Analog Devices 功能描述:Energy Measurement 20-Pin SSOP T/R
ADE7763ARSZ 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測(cè)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:*
ADE7763ARSZ 制造商:Analog Devices 功能描述:IC, SINGLE PHASE ENERGY METER, SSOP-20
ADE7763ARSZRL 功能描述:IC ENERGY METERING 1PHASE 20SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 能量測(cè)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:*
ADE7763ARSZRL 制造商:Analog Devices 功能描述:IC, SINGLE PHASE ENERGY METER, SSOP-20
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