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EVAL-ADE7569F16EB Fiches technique(PDF) 27 Page - Analog Devices

No de pièce EVAL-ADE7569F16EB
Description  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  136 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

EVAL-ADE7569F16EB Fiches technique(HTML) 27 Page - Analog Devices

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Preliminary Technical Data
ADE7566/ADE7569
Rev. PrA | Page 27 of 136
POWER SUPPLY MONITOR INTERRUPT (PSM)
The power supply monitor interrupt (PSM) alerts the 8052 core
of power supply events. The PSM interrupt is disabled by
default. Setting the EPSM bit in the Interrupt Enable and
Priority 2 SFR (IEIP2, 0xA9) enables the PSM interrupt.
The Power Management Interrupt Enable SFR (IPSME, 0xEC)
controls the events that result in a PSM interrupt. Figure 23 is a
diagram illustrating how the PSM interrupt vector is shared
among the PSM interrupt sources. The PSM interrupt flags are
latched and must be cleared by writing to the flag register.
EPSR
FPSR
ESAG
FSAG
EVSW
FVSW
EBAT
FBAT
EBSO
FBSO
EVDCIN
FVDCIN
FPSM
EPSM
TRUE?
PENDING PSM
INTERRUPT
EPSR
RESERVED
ESAG
RESERVED
EVSW
EBAT
EBSO
EVDCIN
FPSR
FPSM
FSAG
RESERVED
FVSW
FBAT
FBSO
FVDCIN
RESERVED
PTI
RESERVED
PSI
EADE
ETI
EPSM
ESI
IPSME ADDR. 0xEC
IPSMF ADDR. 0xF8
IEIP2 ADDR. 0xA9
NOT INVOLVED IN PSM INTERRUPT SIGNAL CHAIN
Figure 23. PSM Interrupt Sources



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