參數(shù)資料
型號(hào)： SAB-C513AO
廠商： INFINEON TECHNOLOGIES AG
元件分類： 8位微控制器
英文描述： 8-bit CMOS Microcontroller
中文描述： 8位CMOS微控制器
文件頁數(shù)： 32/59頁
文件大?。?/td> 1634K
代理商： SAB-C513AO
C513AO
Data Sheet
30
02.00
If two interrupt requests of different priority levels 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
.
A low-priority interrupt can 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.
Table 8
Interrupt Vector Addresses
Interrupt Source
Request Flags
Vector Address
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
USART serial port interrupt
Timer 2 interrupt
Synchronous Serial Channel interrupt (SSC)
Wake-up from power-down mode
IE0
TF0
IE1
TF1
RI + TI
TF2 + EXF2
WCOL+TC
–
0003
H
000B
H
0013
H
001B
H
0023
H
002B
H
0043
H
007B
H
Table 9
Interrupt Source Structure
Interrupt Source
Priority
External Interrupt 0
Synchronous Serial Channel
Timer 0 Interrupt
External Interrupt 1
Timer 1 Interrupt
Universal Serial Channel
Timer 2 Interrupt
IE0
WCOL OR TC
TFO
IE1
TF1
RI OR TI
TF2 OR EXF2
High
Low
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