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ADE5569 데이터시트(PDF) 86 Page - Analog Devices

부품명 ADE5569
상세설명  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
PDF  148 Pages
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ADE5166/ADE5169/ADE5566/ADE5569
Preliminary Technical Data
Rev. PrB | Page 86 of 148
Table 72. 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 73. Interrupt Enable and Priority 2 SFR (IEIP2, 0xA9)
Bit
Mnemonic
Description
7
PS2
UART2 serial port interrupt priority (1 = high, 0 = low).
6
PTI
RTC interrupt priority (1 = high, 0 = low).
5
ES2
Enables the UART2 serial port interrupt. Set by the user.
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 74).
Table 74. Priority Within Interrupt Level
Source
Priority
Description
IPSM
0 (Highest)
Power supply management 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
Timer/Counter 2 interrupt.
RI2/TI2
12 (Lowest)
UART2 serial port interrupt



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