參數(shù)資料
型號: SAF-C515A-LM
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80
封裝: METRIC, PLASTIC, QFP-80
文件頁數(shù): 27/58頁
文件大?。?/td> 634K
代理商: SAF-C515A-LM
Semiconductor Group
33
1997-10-01
C515A
Interrupt System
The C515A provides 12 interrupt sources with four priority levels. Five interrupts can be generated
by the on-chip peripherals (timer 0, timer 1, timer 2, A/D converter, and serial interface) and seven
interrupts may be triggered externally (P3.2/INT0, P3.3/INT1, P1.4/INT2, P1.0/INT3, P1.1/INT4,
P1.2/INT5, P1.3/INT6). 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.
This chapter shows the interrupt structure, the interrupt vectors and the interrupt related special
function registers. Figure 15 and 16 give a general overview of the interrupt sources and illustrate
the request and the control flags which are described in the next sections.
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