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| 型號(hào)： | ADUC831BS |
| 廠(chǎng)商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU |
| 中文描述： | 8-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | PLASTIC, MQFP-52 |
| 文件頁(yè)數(shù)： | 59/76頁(yè) |
| 文件大小： | 1211K |
| 代理商： | ADUC831BS |
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REV. 0
ADuC831
–59–
INTERRUPT SYSTEM
The ADuC831 provides a total of nine interrupt sources with
two priority levels. The control and configuration of the interrupt
system is carried out through three Interrupt-related SFRs.
IE
IP
IEIP2
IE
SFR Address
Power-On Default Value
Bit Addressable
Interrupt Enable Register
Interrupt Priority Register
Secondary Interrupt Enable Register
Interrupt Enable Register
A8H
00H
Yes
Table XXVIII. IE SFR Bit Designations
Bit
Name
Description
7
6
5
4
3
2
1
0
EA
EADC
ET2
ES
ET1
EX1
ET0
EX0
Written by User to Enable “1” or Disable “0” All Interrupt Sources
Written by User to Enable “1” or Disable “0” ADC Interrupt
Written by User to Enable “1” or Disable “0” Timer 2 Interrupt
Written by User to Enable “1” or Disable “0” UART Serial Port Interrupt
Written by User to Enable “1” or Disable “0” Timer 1 Interrupt
Written by User to Enable “1” or Disable “0” External Interrupt 1
Written by User to Enable “1” or Disable “0” Timer 0 Interrupt
Written by User to Enable “1” or Disable “0” External Interrupt 0
IP
SFR Address
Power-On Default Value
Bit Addressable
Interrupt Priority Register
B8H
00H
Yes
Table XXIX. IP SFR Bit Designations
Bit
Name
Description
7
6
5
4
3
2
1
0
----
PADC
PT2
PS
PT1
PX1
PT0
PX0
Reserved for Future Use
Written by User to Select ADC Interrupt Priority (“1” = High; “0” = Low)
Written by User to Select Timer 2 Interrupt Priority (“1” = High; “0” = Low)
Written by User to Select UART Serial Port Interrupt Priority (“1” = High; “0” = Low)
Written by User to Select Timer 1 Interrupt Priority (“1” = High; “0” = Low)
Written by User to Select External Interrupt 1 Priority (“1” = High; “0” = Low)
Written by User to Select Timer 0 Interrupt Priority (“1” = High; “0” = Low)
Written by User to Select External Interrupt 0 Priority (“1” = High; “0” = Low)
IEIP2
SFR Address
Power-On Default Value
Bit Addressable
Secondary Interrupt Enable Register
A9H
A0H
No
Table XXX. IEIP2 SFR Bit Designations
Bit
Name
Description
7
6
5
4
3
2
1
0
----
PTI
PPSM
PSI
----
ETI
EPSMI
ESI
Reserved for Future Use
Priority for Time Interval Interrupt
Priority for Power Supply Monitor Interrupt
Priority for SPI/I
2
C Interrupt
This Bit Must Contain Zero
Written by User to Enable “1” or Disable “0” Time Interval Counter Interrupt
Written by User to Enable “1” or Disable “0” Power Supply Monitor Interrupt
Written by User to Enable “1” or Disable “0” SPI/I
2
C Serial Port Interrupt
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