參數(shù)資料
型號: ADUC831BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 55/76頁
文件大?。?/td> 0K
描述: IC MCU 62K FLASH ADC/DAC 56LFCSP
標(biāo)準(zhǔn)包裝: 1
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設(shè)備: PSM,溫度傳感器,WDT
輸入/輸出數(shù): 34
程序存儲器容量: 62KB(62K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 4K x 8
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 56-VFQFN 裸露焊盤,CSP
包裝: 托盤
配用: EVAL-ADUC831QSZ-ND - KIT DEV FOR ADUC831 QUICK START
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
Interrupt Enable Register
IP
Interrupt Priority Register
IEIP2
Secondary Interrupt Enable Register
IE
Interrupt Enable Register
SFR Address
A8H
Power-On Default Value
00H
Bit Addressable
Yes
Table XXVIII. IE SFR Bit Designations
Bit
Name
Description
7EAWritten by User to Enable “1” or Disable “0” All Interrupt Sources
6
EADC
Written by User to Enable “1” or Disable “0” ADC Interrupt
5
ET2
Written by User to Enable “1” or Disable “0” Timer 2 Interrupt
4ESWritten by User to Enable “1” or Disable “0” UART Serial Port Interrupt
3
ET1
Written by User to Enable “1” or Disable “0” Timer 1 Interrupt
2
EX1
Written by User to Enable “1” or Disable “0” External Interrupt 1
1
ET0
Written by User to Enable “1” or Disable “0” Timer 0 Interrupt
0
EX0
Written by User to Enable “1” or Disable “0” External Interrupt 0
IP
Interrupt Priority Register
SFR Address
B8H
Power-On Default Value
00H
Bit Addressable
Yes
Table XXIX. IP SFR Bit Designations
Bit
Name
Description
7
----
Reserved for Future Use
6
PADC
Written by User to Select ADC Interrupt Priority (“1” = High; “0” = Low)
5
PT2
Written by User to Select Timer 2 Interrupt Priority (“1” = High; “0” = Low)
4PSWritten by User to Select UART Serial Port Interrupt Priority (“1” = High; “0” = Low)
3
PT1
Written by User to Select Timer 1 Interrupt Priority (“1” = High; “0” = Low)
2
PX1
Written by User to Select External Interrupt 1 Priority (“1” = High; “0” = Low)
1
PT0
Written by User to Select Timer 0 Interrupt Priority (“1” = High; “0” = Low)
0
PX0
Written by User to Select External Interrupt 0 Priority (“1” = High; “0” = Low)
IEIP2
Secondary Interrupt Enable Register
SFR Address
A9H
Power-On Default Value
A0H
Bit Addressable
No
Table XXX. IEIP2 SFR Bit Designations
Bit
Name
Description
7
----
Reserved for Future Use
6PTI
Priority for Time Interval Interrupt
5
PPSM
Priority for Power Supply Monitor Interrupt
4PSI
Priority for SPI/I
2C Interrupt
3
----
This Bit Must Contain Zero
2
ETI
Written by User to Enable “1” or Disable “0” Time Interval Counter Interrupt
1
EPSMI
Written by User to Enable “1” or Disable “0” Power Supply Monitor Interrupt
0
ESI
Written by User to Enable “1” or Disable “0” SPI/I
2C Serial Port Interrupt
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