參數(shù)資料
型號(hào): SAF-TC1130-L150EBGREEN
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 150 MHz, MICROCONTROLLER, PBGA208
封裝: GREEN, PLASTIC, LBGA-208
文件頁數(shù): 54/117頁
文件大小: 1726K
代理商: SAF-TC1130-L150EBGREEN
TC1130
Functional Description
Data Sheet
35
V1.0, 2005-02
Advance Information
3.7
Interrupt System
An interrupt request can be serviced by the CPU, which is called “Service Provider”.
Interrupt requests are referred to as “Service Requests” in this document.
Each peripheral in the TC1130 can generate service requests. Additionally, the Bus
Control Unit, the Debug Unit, the DMA Controller and even the CPU itself can generate
service requests to the Service Provider. As shown in Figure 3-3, each 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_SRC, where “mod”
is the identifier of the unit requesting service. The SRNs are connected to the Interrupt
Control Unit (ICU) via the CPU Interrupt Arbitration Bus. The ICU arbitrates service
requests for the CPU and administers the Interrupt Arbitration Bus.
Units that can generate service requests are:
Asynchronous/Synchronous Serial Interfaces (ASC0, ASC1 and ASC2) with 4 SRNs
each
High-Speed Synchronous Serial Interfaces (SSC0 and SSC1) with 3 SRNs each
Inter IC Interface (IIC) with 3 SRNs
Universal Serial Bus (USB) with 8 SRNs
Micro Link Interface MLI0 with 4 SRNs and MLI1 with 2 SRNs
General Purpose Timer Unit (GPTU) with 8 SRNs
Capture/Compare Unit (CCU60 and CCU61) with 4 SRNs each
MultiCAN (CAN) with 16 SRNs
Ethernet Controller with 9 SRNs
External Interrupts with 4 SRNs
Direct Memory Access Controller (DMA) with 4 SRNs
DMA Bus with 1 SRN
System Timer (STM) with 2 SRNs
Bus Control Units (SBCU and LBCU) with 1 SRN each
Central Processing Unit (CPU) with 4 SRNs
Floating Point Unit (FPU) with 1 SRN
Debug Unit (OCDS) with 1 SRN
The CPU can make service requests directly to itself (via the ICU). The CPU Service
Request Nodes are activated through software.
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