參數(shù)資料
型號(hào)： ADUC834BS
廠商： ANALOG DEVICES INC
元件分類： 微控制器/微處理器
英文描述： MicroConverter, Dual 16-/24- Bit ADCs with Embedded 62KB FLASH MCU
中文描述： 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52
封裝： 14 X 14 MM, MO-022-AC-1, MQFP-52
文件頁數(shù)： 64/72頁
文件大?。?/td> 1451K
代理商： ADUC834BS
(12 March 2002) REV.
P
rC
ADuC834
–
64
–
PRELIMINARY TECHNICAL DATA
INT E RRUPT SY ST E M
T he ADuC834 provides a total of eleven interrupt sources with two priority levels. T he control and configuration of the interrupt
system is carried out through three Interrupt-related SFRs. T hese are the IE (Interrupt Enable) register, the IP (Interrupt Priority
Register) and the IEIP2 (secondary interrupt enable/priority SFR) registers. T here bit definifitions are given in the tables below.
IE :
SFR Address
Power-On Default Value
Bit Addressable
Interrupt E nable Register
A8H
00H
Yes
T able X X X V. IE SFR Bit Designations
Description
Bit
Name
7
6
5
4
3
2
1
0
EA
EADC
ET 2
ES
ET 1
EX 1
ET 0
EX 0
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
’
T imer 2 Interrupt
Written by User to Enable
‘
1
’
or Disable
‘
0
’
UART Serial Port Interrupt
Written by User to Enable
‘
1
’
or Disable
‘
0
’
T imer 1 Interrupt
Written by User to Enable
‘
1
’
or Disable
‘
0
’
External Interrupt 1
Written by User to Enable
‘
1
’
or Disable
‘
0
’
T imer 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
T able X X X VI. IP SFR Bit Designations
Description
Bit
Name
7
6
5
4
3
2
1
0
---
PADC
PT 2
PS
PT 1
PX 1
PT 0
PX 0
Reserved for Future Use.
Written by User to Select ADC Interrupt Priority (
‘
1
’
= High;
‘
0
’
= Low)
Written by User to Select T imer 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 T imer 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 T imer 0 Interrupt Priority (
‘
1
’
= High;
‘
0
’
= Low)
Written by User to Select External Interrupt 0 Priority (
‘
1
’
= High;
‘
0
’
= Low)
IE IP2:
SFR Address
Power-On Default Value
Bit Addressable
Secondary Interrupt E nable and Priority Register
A9H
A0H
No
T able X X X VII. IE IP2 SFR Bit Designations
Description
Bit
Name
7
6
5
4
3
2
1
0
---
PT I
PPSM
PSI
---
ET I
EPSM
ESI
Reserved for Future Use.
Written by User to Select T IC Interrupt Priority (
‘
1
’
= High;
‘
0
’
= Low).
Written by User to Select Power Supply Monitor Interrupt Priority (
‘
1
’
= High;
‘
0
’
= Low).
Written by User to Select SPI Serial Port Interrupt Priority (
‘
1
’
= High;
‘
0
’
= Low).
Reserved, T his Bit Must Be
‘
0.
’
Written by User to Enable
‘
1
’
or Disable
‘
0
’
T IC Interrupt.
Written by User to Enable
‘
1
’
or Disable
‘
0
’
Power Supply Monitor Interrupt.
Written by User to Enable
‘
1
’
or Disable
‘
0
’
SPI Serial Port Interrupt.
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