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| 型号： | ADUC845BCPZ8-3 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, QCC56 |
| 封装： | 8 X 8 MM, LEAD FREE, MO-220-VLLD-2, LFCSP-56 |
| 文件页数： | 94/108页 |
| 文件大小： | 1940K |
| 代理商： | ADUC845BCPZ8-3 |
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ADuC845/ADuC847/ADuC848
Rev. B | Page 86 of 108
IEIP2—Secondary Interrupt Enable Register
SFR Address:
A9H
Power-On Default:
A0H
Bit Addressable:
No
Table 60. IEIP2 Bit Designations
Bit No.
Name
Description
7
----
Not Implemented. Write Don’t Care.
6
PTI
Time Interval Counter Interrupt Priority Setting (1 = High, 0 = Low).
5
PPSM
Power Supply Monitor Interrupt Priority Setting (1 = High, 0 = Low).
4
PSI
SPI/I2C Interrupt Priority Setting (1 = High, 0 = Low).
3
----
This bit must contain 0.
2
ETI
Set by the user to enable the time interval counter interrupt.
Cleared by the user to disable the time interval counter interrupt.
1
EPSMI
Set by the user to enable the power supply monitor interrupt.
Cleared by the user to disable the power supply monitor interrupt.
0
ESI
Set by the user to enable the SPI/I2C serial port interrupt.
Cleared by the user to disable the SPI/I2C serial port interrupt.
INTERRUPT PRIORITY
The interrupt enable registers are written by the user to enable
individual interrupt sources; the interrupt priority registers
allow the user to select one of two priority levels for each
interrupt. A high priority interrupt can interrupt the service
routine of a low priority interrupt, and if two interrupts of
different priorities occur at the same time, the higher level
interrupt is serviced first. An interrupt cannot be interrupted by
another interrupt of the same priority level. If two interrupts of
the same priority level occur simultaneously, the polling
sequence, as shown in Table 61, is observed.
Table 61. Priority within Interrupt Level
INTERRUPT VECTORS
When an interrupt occurs, the program counter is pushed onto
the stack, and the corresponding interrupt vector address is
loaded into the program counter. The interrupt vector addresses
are shown in Table 62.
Table 62. Interrupt Vector Addresses
Source
Vector Address
IE0
0003H
TF0
000BH
IE1
0013H
TF1
001BH
RI + TI
0023H
TF2 + EXF2
002BH
RDY0/RDY1 (ADuC845 only)
0033H
ISPI/I2CI
003BH
PSMI
0043H
TII
0053H
WDS
005BH
Source
Priority
Description
PSMI
1 (Highest)
Power Supply Monitor Interrupt
WDS
2
Watchdog Timer Interrupt
IE0
2
External Interrupt 0
RDY0/RDY1
3
ADC Interrupt
TF0
4
Timer/Counter 0 Interrupt
IE1
5
External Interrupt 1
TF1
6
Timer/Counter 1 Interrupt
ISPI/I2CI
7
SPI/I2C Interrupt
RI/TI
8
UART Serial Port Interrupt
TF2/EXF2
9
Timer/Counter 2 Interrupt
TII
11 (Lowest)
Timer Interval Counter Interrupt
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| ADUC845BCPZ8-5 | 功能描述:IC MCU FLASH 24BIT ADC 56LFCSP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA，UART/USART 外围设备:欠压检测/复位，LED，POR，PWM，WDT 输入/输出数:16 程序存储器容量:4KB（4K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND |
| ADUC845BS62-3 | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 3.3V 52MQFP - Bulk |
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