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ADE7569 Fiches technique(PDF) 90 Page - Analog Devices

No de pièce ADE7569
Description  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  144 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADE7569 Fiches technique(HTML) 90 Page - Analog Devices

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ADE7566/ADE7569/ADE7166/ADE7169
Rev. A | Page 90 of 144
Table 69. Interrupt Priority SFR (IP, 0xB8)
Bit
Address
Mnemonic
Description
7
0xBF
PADE
ADE Energy Measurement Interrupt Priority (1 = high, 0 = low).
6
0xBE
PTEMP
Temperature ADC Interrupt Priority (1 = high, 0 = low).
5
0xBD
PT2
Timer 2 Interrupt Priority (1 = high, 0 = low).
4
0xBC
PS
UART Serial Port Interrupt Priority (1 = high, 0 = low).
3
0xBB
PT1
Timer 1 Interrupt Priority (1 = high, 0 = low).
2
0xBA
PX1
INT1 (External Interrupt 1) Priority (1 = high, 0 = low).
1
0xB9
PT0
Timer 0 Interrupt Priority (1 = high, 0 = low).
0
0xB8
PX0
INT0 (External Interrupt 0) Priority (1 = high, 0 = low).
Table 70. Interrupt Enable and Priority 2 SFR (IEIP2, 0xA9)
Bit
Mnemonic
Description
7
Reserved
6
PTI
RTC Interrupt Priority (1 = high, 0 = low).
5
Reserved
4
PSI
SPI/I2C Interrupt Priority (1 = high, 0 = low).
3
EADE
Enables the Energy Metering Interrupt (ADE). Set by the user.
2
ETI
Enables the RTC Interval Timer Interrupt. Set by the user.
1
EPSM
Enables the PSM Power Supply Management Interrupt. Set by the user.
0
ESI
Enables the SPI/I2C Interrupt. Set by the user.
INTERRUPT PRIORITY
If two interrupts of the same priority level occur simultaneously, the polling sequence is observed (as shown in Table 71).
Table 71. Priority Within Interrupt Level
Source
Priority
Description
IPSM
0 (Highest)
Power Supply Monitor Interrupt.
IRTC
1
RTC Interval Timer Interrupt.
IADE
2
ADE Energy Measurement Interrupt.
WDT
3
Watchdog Timer Overflow Interrupt.
ITEMP
4
Temperature ADC Interrupt.
IE0
5
External Interrupt 0.
TF0
6
Timer/Counter 0 Interrupt.
IE1
7
External Interrupt 1.
TF1
8
Timer/Counter 1 Interrupt.
ISPI/I2CI
9
SPI/I2C Interrupt.
RI/TI
10
UART Serial Port Interrupt.
TF2/EXF2
11 (Lowest)
Timer/Counter 2 Interrupt.



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