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| 型號(hào)： | ADUC831BSZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 55/76頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 62K FLASH ADC/DAC 52MQFP |
| 標(biāo)準(zhǔn)包裝： | 800 |
| 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(chǔ)器容量： | 62KB（62K x 8） |
| 程序存儲(chǔ)器類(lèi)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 ~ 125°C |
| 封裝/外殼： | 52-QFP |
| 包裝： | 帶卷 (TR) |
| 配用： | EVAL-ADUC831QSZ-ND - KIT DEV FOR ADUC831 QUICK START |
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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
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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