參數(shù)資料
型號(hào): Q67121-C1066
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(yè)數(shù): 45/69頁(yè)
文件大?。?/td> 1124K
代理商: Q67121-C1066
Semiconductor Group
45
1997-07-01
C515C
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
22
give a general overview of the interrupt sources and illustrate the interrupt request and control flags.
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