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型號(hào)：	S83C154DCXXX-16R
廠商：	ATMEL CORP
元件分類(lèi)：	微控制器/微處理器
英文描述：	8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44
封裝：	PLASTIC, LCC-44
文件頁(yè)數(shù)：	989/1021頁(yè)
文件大?。?/td>	15196K
代理商：	S83C154DCXXX-16R

32072H–AVR32–10/2012

AT32UC3A3

Figure 10-1. INTC Block Diagram

Product Dependencies

In order to use this module, other parts of the system must be configured correctly, as described

Power Management

If the CPU enters a sleep mode that disables CLK_SYNC, the INTC will stop functioning and

resume operation after the system wakes up from sleep mode.

The clock for the INTC bus interface (CLK_INTC) is generated by the Power Manager. This

clock is enabled at reset, and can be disabled in the Power Manager.

The INTC sampling logic runs on a clock which is stopped in any of the sleep modes where the

system RC oscillator is not running. This clock is referred to as CLK_SYNC. This clock is

enabled at reset, and only turned off in sleep modes where the system RC oscillator is stopped.

Debug Operation

When an external debugger forces the CPU into debug mode, the INTC continues normal

Functional Description

All of the incoming interrupt requests (IREQs) are sampled into the corresponding Interrupt

Request Register (IRR). The IRRs must be accessed to identify which IREQ within a group that

is active. If several IREQs within the same group are active, the interrupt service routine must

prioritize between them. All of the input lines in each group are logically ORed together to form

the GrpReqN lines, indicating if there is a pending interrupt in the corresponding group.

The Request Masking hardware maps each of the GrpReq lines to a priority level from INT0 to

INT3 by associating each group with the Interrupt Level (INTLEVEL) field in the corresponding

Interrupt Controller

IRR Registers

IPR Registers

ICR Registers

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
S83C154D-L16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154DT-12	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154DT-16	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154DT-20	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller
S83C154DT-25	制造商:未知廠家制造商全稱:未知廠家功能描述:8-Bit Microcontroller

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