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| 型号： | SAB-C501G-LM |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 12 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | PLASTIC, MQFP-44 |
| 文件页数： | 16/48页 |
| 文件大小： | 319K |
| 代理商： | SAB-C501G-LM |
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Semiconductor Group
23
1997-04-01
C501
A low-priority interrupt can itself be interrupted by a high-priority interrupt, but not by another low-
priority interrupt. A high-priority interrupt cannot be interrupted by any other interrupt source.
If two requests of different priority level are received simultaneously, the request of higher priority is
serviced. If requests of the same priority are received simultaneously, an internal polling sequence
determines which request is serviced. Thus within each priority level there is a second priority
structure determined by the polling sequence as shown in table 9.
Table 8
Interrupt Sources and their Corresponding Interrupt Vectors
Source (Request Flags)
Vector
Vector Address
IE0
TF0
IE1
TF1
RI + TI
TF2 + EXF2
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
Serial port interrupt
Timer 2 interrupt
0003H
000BH
0013H
001BH
0023H
002BH
Table 9
Interrupt Priority-Within-Level
Interrupt Source
Priority
External Interrupt 0,
Timer 0 Interrupt,
External Interrupt 1,
Timer 1 Interrupt,
Serial Channel,
Timer 2 Interrupt,
IE0
TF0
IE1
TF1
RI + TI
TF2 + EXF2
High
↓
Low
相关PDF资料 |
PDF描述 |
|---|---|
| SAB-C501G-1E24N | 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C501G-1EN | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQCC44 |
| SAF-C501G-1EP | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP40 |
| SAF-C501G-1R24P | 8-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP40 |
| SAF-C501G-1E24P | 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PDIP40 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB-C501G-LN | 制造商:Siemens 功能描述:8-BIT, 12 MHz, MICROCONTROLLER, PQCC44 |
| SABC501G-LN | 制造商:Siemens 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
| SABC501GLP | 制造商:Infineon Technologies AG 功能描述:8bit MCU, CISC, ROMLESS, C500 Family |
| SAB-C501G-LP | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C501-LN | 制造商:Siemens 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
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