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ADE7169ASTF16 数据表(PDF) 23 Page - Analog Devices

部件名 ADE7169ASTF16
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  140 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7169ASTF16 数据表(HTML) 23 Page - Analog Devices

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Preliminary Technical Data
ADE7169F16
Rev. PrD | Page 23 of 140
POWER MANAGEMENT
The ADE7169F16 has an elaborate power management
circuitry that manages the regular power supply to Battery
switch over and power supply failures. The power management
functionalities can be accessed directly through the 8052 SFR –
see Table 11.
Table 11. Power Management SFRs
SFR
address
(hex)
R/W
Name
Description
0xEC
R/W
IPSME
Power Management
Interrupt enable
0xF5
R/W
BATPR
Battery Switchover
configuration
0xF8
R/W
IPSMF
Power Management
Interrupt Flag
0xFF
R/W
INTPR
Interrupt Wake-up
Configuration
POWER MANAGEMENT REGISTER DETAILS
Table 12. Interrupt pins configuration SFR (INTPR, 0xFF)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7
RTCCAL
0
Control RTC calibration output
When set uncalibrated clock at 1 Hz is output on CF1 pin.
6-4
Reserved
Controls the function of INT1T
INT1PRG[2:0]
Function
x
0
0
GPIO
x
0
1
BCTRL
0
1
x
INT1 input disabled
3-1
INT1PRG[2:0]
000
1
1
x
INT1 input enabled
Controls the function of INT0
INT0PRG
Function
0
INT0 input disabled
0
INT0PRG
0
1
INT0 input enabled
Table 13. Power Management Interrupt Flag SFR (IPSMF, 0xF8)
Bit
Location
Bit
Addr.
Bit Name
Default
Value
Description
7
0xFF
FPSR
0
Power Supply Restored Interrupt flag.
Set when the VDD power supply has been restored. This occurs when the source
of VSW changes from VBAT to VDD.
6
0xFE
FPSM
0
PSM Interrupt flag.
Set when an enabled PSM interrupt condition occurs.
5
0xFD
FSAG
0
Voltage SAG Interrupt flag.
Set when an ADE energy measurement SAG condition occurs.
4
0xFC
RESERVED
0
This bit must be kept cleared for proper operation
3
0xFB
FVSW
0
VSW Monitor interrupt flag.
Set when VSW changes by VSWDIF or when VSW measurement is ready.
2
0xFA
FBAT
0
VBAT Monitor interrupt flag.
Set when VBAT falls below BATVTH or when the VBAT measurement is ready.
1
0xF9
FBSO
0
Battery Switchover interrupt flag.



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