參數(shù)資料
型號: SAK-TC1762-128F66HL
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁數(shù): 44/114頁
文件大?。?/td> 852K
代理商: SAK-TC1762-128F66HL
TC1762
Functional Description
Preliminary
Data Sheet
31
V1.0, 2008-04
3.6
Interrupt System
The TC1762 interrupt system provides a flexible and time-efficient means of processing
interrupts. An interrupt request is serviced by the CPU, which is called the “Service
Provider”. Interrupt requests are called “Service Requests” rather than “Interrupt
Requests” in this document.
Each peripheral in the TC1762 can generate service requests. Additionally, the Bus
Control Units, the Debug Unit, and even the CPU itself can generate service requests to
the Service Provider.
As shown in Figure 3-2, each TC1762 unit that can generate service requests is
connected to one or multiple Service Request Nodes (SRN). Each SRN contains a
Service Request Control Register mod_SRCx, where “mod” is the identifier of the
service requesting unit and “x” an optional index. The CPU Interrupt Arbitration Bus
connects the SRNs with the Interrupt Control Unit (ICU), which arbitrates service
requests for the CPU and administers the CPU Interrupt Arbitration Bus.
The Debug Unit can generate service requests to the CPU. The CPU makes service
requests directly to itself (via the ICU). The CPU Service Request Nodes are activated
through software.
Depending on the selected system clock frequency f
SYS, the number of fSYS clock cycles
per arbitration cycle must be selected as follows:
f
SYS < 60 MHz: ICR.CONECYC = 1
f
SYS > 60 MHz: ICR.CONECYC = 0
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SAK-TC1762-128F80HLAC 制造商:Rochester Electronics LLC 功能描述: 制造商:Infineon Technologies AG 功能描述:
SAK-TC1764-128F80HL 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:SK-TC176x Family Starter Kit