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參數(shù)資料
| 型號： | ADUC841BSZ62-5 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 68/88頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC/DAC 12BIT W/MCU 52-MQFP |
| 產(chǎn)品培訓(xùn)模塊： | Process Control |
| 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： | 20MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設(shè)備： | DMA，PSM，PWM，溫度傳感器，WDT |
| 輸入/輸出數(shù)： | 32 |
| 程序存儲器容量： | 62KB（62K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 2.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.75 V ~ 5.25 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： | 52-QFP |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 738 (CN2011-ZH PDF) |
| 配用： | EVAL-ADUC841QSZ-ND - KIT DEV FOR ADUC841 QUICK START |
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ADuC841/ADuC842/ADuC843
Rev. 0 | Page 70 of 88
INTERRUPT SYSTEM
The ADuC841/ADuC842/ADuC843 provide 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
00H
Bit Addressable
Yes
Table 35. IE SFR Bit Designations
Bit No.
Name
Description
7
EA
Set by the user to enable, or cleared to disable all interrupt sources.
6
EADC
Set by the user to enable, or cleared to disable ADC interrupts.
5
ET2
Set by the user to enable, or cleared to disable Timer 2 interrupts.
4
ES
Set by the user to enable, or cleared to disable UART serial port interrupts.
3
ET1
Set by the user to enable, or cleared to disable 0 Timer 1 interrupts.
2
EX1
Set by the user to enable, or cleared to disable External Interrupt 1.
1
ET0
Set by the user to enable, or cleared to disable Timer 0 interrupts.
0
EX0
Set by the user to enable, or cleared to disable External Interrupt 0 .
IP
Interrupt Priority Register
SFR Address
B8H
Power-On Default
00H
Bit Addressable
Yes
Table 36. IP SFR Bit Designations
Bit No.
Name
Description
7
----
Reserved.
6
PADC
Written by the user to select the ADC interrupt priority (1 = High; 0 = Low).
5
PT2
Written by the user to select the Timer 2 interrupt priority (1 = High; 0 = Low).
4
PS
Written by the user to select the UART serial port interrupt priority (1 = High; 0 = Low).
3
PT1
Written by the user to select the Timer 1 interrupt priority (1 = High; 0 = Low).
2
PX1
Written by the user to select External Interrupt 1 priority (1 = High; 0 = Low).
1
PT0
Written by the user to select the Timer 0 interrupt priority (1 = High; 0 = Low).
0
PX0
Written by the user to select External Interrupt 0 priority (1 = High; 0 = Low).
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