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參數(shù)資料
| 型號： | ADE7878ACPZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調(diào)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 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, MO-220WJJD, LFCSP-40 |
| 文件頁數(shù)： | 16/96頁 |
| 文件大小： | 1096K |
| 代理商： | ADE7878ACPZ-RL |
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ADE7854/ADE7858/ADE7868/ADE7878
Rev. E | Page 23 of 96
Table 12. Recommended Actions When Changing Power Modes
Next Power Mode
Initial Power
Mode
Recommended Actions
Before Setting Next
Power Mode
PSM0
PSM1
PSM2
PSM3
Stop DSP by setting the run
register = 0x0000.
Current mean absolute
values (mav) computed
immediately.
Disable HSDC by clearing
Bit 6 (HSDEN) to 0 in the
CONFIG register.
xIMAV registers can be
accessed immediately.
Mask interrupts by setting
MASK0 = 0x0 and
MASK1 = 0x0.
PSM0
Erase interrupt status flags
in the STATUS0 and STATUS1
registers.
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
No action
necessary.
Wait until the IRQ1 pin
is triggered low.
PSM1—
ADE7878,
ADE7868 Only
No action necessary.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
No action
necessary.
Wait until the IRQ1 pin
is triggered low.
Wait until the IRQ1 pin
triggered low.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
Current mean absolute
values compute at this
moment.
PSM2—
ADE7878,
ADE7868 Only
No action necessary.
xIMAV registers may be
accessed from this
moment.
No action
necessary.
Wait until the IRQ1 pin
is triggered low.
Wait until the IRQ1 pin is
triggered low.
Poll the STATUS1
register until Bit 15
(RSTDONE) is set to 1.
Current mav circuit
begins computations at
this time.
PSM3
No action necessary.
xIMAV registers can be
accessed from this
moment.
Wait until the IRQ0
or IRQ1 pin is
triggered
accordingly.
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