aduc831bcp-reel Analog Devices, Inc., aduc831bcp-reel Datasheet - Page 59
aduc831bcp-reel
Manufacturer Part Number
aduc831bcp-reel
Description
Microconverter, 12-bit Adcs And Dacs With Embedded 62 Kbytes Flash Mcu
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADUC831BCP-REEL.pdf
(76 pages)
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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
Bit
7
6
5
4
3
2
1
0
IP
SFR Address
Power-On Default Value
Bit Addressable
Bit
7
6
5
4
3
2
1
0
IEIP2
SFR Address
Power-On Default Value
Bit Addressable
Bit
7
6
5
4
3
2
1
0
REV. 0
Name
EA
EADC
ET2
ES
ET1
EX1
ET0
EX0
Name
----
PADC
PT2
PS
PT1
PX1
PT0
PX0
Name
----
PTI
PPSM
PSI
----
ETI
EPSMI
ESI
Interrupt Enable Register
Interrupt Priority Register
Secondary Interrupt Enable Register
Secondary Interrupt Enable Register
A9H
A0H
No
Interrupt Enable Register
Description
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
Interrupt Priority Register
Description
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)
Description
Reserved for Future Use
Priority for Time Interval Interrupt
Priority for Power Supply Monitor Interrupt
Priority for SPI/I
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
A8H
00H
Yes
B8H
00H
Yes
Table XXX. IEIP2 SFR Bit Designations
Table XXVIII. IE SFR Bit Designations
Table XXIX. IP SFR Bit Designations
2
C Interrupt
–59–
2
C Serial Port Interrupt
ADuC831
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