參數(shù)資料
型號: C515C
廠商: SIEMENS 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): 52/96頁
文件大?。?/td> 1285K
代理商: C515C
C515C
Data Sheet
48
2003-02
Interrupt System
The C515C provides 17 interrupt sources with four priority levels. Seven interrupts can
be generated by the on-chip peripherals (timer 0, timer 1, timer 2, serial interface,
A/D converter, SSC interface, CAN controller), and ten interrupts may be triggered
externally (P1.5/T2EX, P3.2/INT0, P3.3/INT1, P1.4/INT2, P1.0/INT3, P1.1/INT4,
P1.2/INT5, P1.3/INT6, P7.0/INT7, P4.5/INT8). The wake-up from power-down mode
interrupt has a special functionality which allows to exit from the software power-down
mode by a short low pulse at pin P3.2/INT0.
In the C515C the 17 interrupt sources are combined to six groups of two or three interrupt
sources. Each interrupt group can be programmed to one of the four interrupt priority
levels.
Figure 20
to
Figure 22
give a general overview of the interrupt sources and
illustrate the interrupt request and control flags.
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