ade7518 Analog Devices, Inc., ade7518 Datasheet - Page 75

• Manufacturer Part Number: ade7518
• Description: Single-phase Energy Measurement Ic With 8052 Mcu, Rtc, And Lcd Driver
• Manufacturer: Analog Devices, Inc.

Table 59. Interrupt Priority SFR (IP, 0xB8)
Bit
7
6
5
4
3
2
1
0
Table 60. Interrupt Enable and Priority 2 SFR (IEIP2, 0xA9)
Bit
7
6
5
4
3
2
1
0
INTERRUPT PRIORITY
If two interrupts of the same priority level occur simultaneously, the polling sequence is observed (as shown in Table 61).
Table 61. Priority Within Interrupt Level
Source
IPSM
IRTC
IADE
WDT
IE0
TF0
IE1
TF1
ISPI/I2CI
RI/TI
TF2/EXF2
Address
0xBF
0xBE
0xBD
0xBC
0xBB
0xBA
0xB9
0xB8
Mnemonic
Reserved
PTI
Reserved
PSI
EADE
ETI
EPSM
ESI
Description
Reserved.
RTC Interrupt Priority (1 = high, 0 = low).
Reserved.
SPI/I
Enables the Energy Metering Interrupt (ADE). Set by the user.
Enables the RTC Interval Timer Interrupt. Set by the user.
Enables the PSM Power Supply Management Interrupt. Set by the user.
Enables the SPI/I
Priority
0 (Highest)
1
2
3
4
5
6
7
8
9
10 (Lowest)
Mnemonic
PADE
Reserved
PT2
PS
PT1
PX1
PT0
PX0
2
C Interrupt Priority (1 = high, 0 = low).
2
C Interrupt. Set by the user.
Description
Power Supply Management Interrupt.
RTC Interval Timer Interrupt.
ADE Energy Measurement Interrupt.
Watchdog Timer Overflow Interrupt.
External Interrupt 0.
Timer/Counter 0 Interrupt.
External Interrupt 1.
Timer/Counter 1 Interrupt.
SPI/I
UART Serial Port Interrupt.
Timer/Counter 2 Interrupt.
Description
ADE Energy Measurement Interrupt Priority (1 = high, 0 = low).
This bit should be left cleared for proper operation.
Timer 2 Interrupt Priority (1 = high, 0 = low).
UART Serial Port Interrupt Priority (1 = high, 0 = low).
Timer 1 Interrupt Priority (1 = high, 0 = low).
INT1 (External Interrupt 1) Priority (1 = high, 0 = low).
Timer 0 Interrupt Priority (1 = high, 0 = low).
INT0 (External Interrupt 0) Priority (1 = high, 0 = low).
2
C Interrupt.
Rev. 0 | Page 75 of 128
ADE7518