參數(shù)資料
型號: ADUC842BCPZ32-5
廠商: Analog Devices Inc
文件頁數(shù): 68/88頁
文件大?。?/td> 0K
描述: IC MCU 32K FLASH ADC/DAC 56LFCSP
標準包裝: 1
系列: MicroConverter® ADuC8xx
核心處理器: 8052
芯體尺寸: 8-位
速度: 16.78MHz
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: 32KB(32K 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: 56-VFQFN 裸露焊盤,CSP
包裝: 托盤
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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