ade7169f16 Analog Devices, Inc., ade7169f16 Datasheet - Page 23

• Manufacturer Part Number: ade7169f16
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc And Lcd Driver
• Manufacturer: Analog Devices, Inc.

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