參數(shù)資料
型號(hào)： C513-1RN
廠商： SIEMENS A G
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-Bit CMOS Microcontroller
中文描述： 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQCC44
文件頁(yè)數(shù)： 28/43頁(yè)
文件大小： 692K
代理商： C513-1RN
Semiconductor Group
28
C511 / C513
Table 13
Interrupt Sources and their Corresponding Interrupt Vectors
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 14
.
Source (Request Flags)
IE0
TF0
IE1
TF1
RI + TI
Vector
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
USART serial port interrupt,
(C513/C513A/C513A-H only)
Timer 2 interrupt
Synchronous serial channel
interrupt (SSC)
Vector Address
0003H
000BH
0013H
001BH
0023H
TF2 + EXF2
SSCI
002BH
0043H
Table 14
Priority-within-Level Structure
Interrupt Source
Priority
External Interrupt 0,
Synchronous Serial Channel SSC
Timer 0 Interrupt,
External Interrupt 1,
Timer 1 Interrupt,
Universal Serial Channel,
Timer 2 Interrupt,
IE0
TF0
IE1
TF1
RI or TI
TF2 or EXF2
High
↓
Low
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