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ADE75 Datasheet(PDF) 25 Page - Analog Devices

Part # ADE75
Description  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  148 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
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ADE75 Datasheet(HTML) 25 Page - Analog Devices

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Preliminary Technical Data
ADE75xx/ADE71xx
Rev. PrE | Page 25 of 148
0
1
RX with wakeup disabled
1
1
RX with wakeup enabled
Table 16. Power Management Interrupt Enable SFR (IPSME, 0xEC)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7
EPSR
0
Enables a PSM interrupt when the Power Supply Restored flag is set.
6
RESERVED
0
Reserved
5
ESAG
0
Enables a PSM interrupt when the voltage sag flag (FSAG) is set.
4
RESERVED
0
This bit must be kept cleared for proper operation
3
EVADC
0
Enables a PSM interrupt when the VDCIN ADC flag (FVADC) is set.
2
EBAT
0
Enables a PSM interrupt when the VBAT monitor flag (FBAT) is set.
1
EBSO
0
Enables a PSM interrupt when the Battery Switchover flag (FBSO) is set.
0
EVDCIN
0
Enables a PSM interrupt when the VDCIN monitor flag (FVDCIN) is set.
Table 17. Scratch Pad 1 SFR (SCRATCH1, 0xFB)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
SCRATCH1
0
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE75xx/ADE71xx
Table 18. Scratch Pad 2 SFR (SCRATCH2, 0xFC)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
SCRATCH2
0
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE75xx/ADE71xx
Table 19. Scratch Pad 3 SFR (SCRATCH3, 0xFD)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
SCRATCH3
0
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE75xx/ADE71xx
Table 20. Scratch Pad 4 SFR (SCRATCH4, 0xFE)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
SCRATCH4
0
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE75xx/ADE71xx
Table 21. Key SFR (KYREG, 0xC1)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
KYREG
0
Write 0xA7 to the KYREG SFR before writing the POWCON SFR, to unlock it
Write 0xEA to the KYREG SFR before writing to the HTHSEC, SEC, MIN, or
HOUR timekeeping register to unlock it..
Table 22. Power Control SFR (POWCON, 0xC5)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7
RESERVED
X



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