参数资料
型号: ADUC843BCPZ8-3
厂商: Analog Devices Inc
文件页数: 68/88页
文件大小: 0K
描述: IC MCU FLASH 12BIT ADC 56LFCSP
标准包装: 1
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 8.38MHz
连通性: I²C,SPI,UART/USART
外围设备: DMA,PSM,PWM,温度传感器,WDT
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 2.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 8x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 56-VFQFN 裸露焊盘,CSP
包装: 托盘
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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