ade7854 Analog Devices, Inc., ade7854 Datasheet - Page 18
ade7854
Manufacturer Part Number
ade7854
Description
Poly Phase Multifunction Energy Metering Ic With Neutral Current Measurement
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADE7854.pdf
(71 pages)
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Part Number:
ade7854ACPZ
Manufacturer:
ADI/亚德诺
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ADE7854
Power
Mode
PSM3
Table 9. Recommended actions when changing power modes
Initial
Power
Mode
PSM0
PSM3
State after
software reset
Recommended actions before setting next power
mode
-stop DSP by setting RUN[15:0]=0x0000
-disable HSDC by clearing bit 6 (HSDEN) to 0 in
CONFIG[15:0] register
-mask interrupts by setting in MASK0[31:0]=0x0 and
MASK1[31:0]=0x0
-erase interrupt status flags in STATUS0[31:0] and
STATUS1[31:0] registers
-no action necessary
Registers
Set to
default
Not
available
LPOILVL, CONFIG2
Unchanged
Values set during
PSM0 unchanged
Rev. PrC| Page 18 of 71
Next Power Mode
PSM0
-wait until
-poll STATUS1[31:0] register until
bit 15 (RSTDONE) set to 1
I
Active serial port unchanged if lock
in procedure has been previously
executed
Disabled
2
C/SPI
IRQ
1
pin triggered low
Preliminary Technical Data
PSM3
-no action necessary
Functionality
All circuits are active. DSP is in
idle mode
Internal circuits shut down
Serial ports not available
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