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Z8F1602AR020EC 参数 Datasheet PDF下载

Z8F1602AR020EC图片预览
型号: Z8F1602AR020EC
PDF下载: 下载PDF文件 查看货源
内容描述: Z8喝采微控制器与闪存和10位A / D转换器 [Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter]
分类和应用: 转换器闪存微控制器和处理器外围集成电路时钟
文件页数/大小: 246 页 / 1767 K
品牌: ZILOG [ ZILOG, INC. ]
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Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x  
Z8 Encore!®  
46  
Architecture  
Figure 65 illustrates a block diagram of the interrupt controller.  
High  
Priority  
Port Interrupts  
Vector  
Priority  
Mux  
IRQ Request  
Medium  
Priority  
Internal Interrupts  
Low  
Priority  
Figure 65. Interrupt Controller Block Diagram  
Operation  
Master Interrupt Enable  
The master interrupt enable bit (IRQE) in the Interrupt Control register globally enables  
and disables interrupts.  
Interrupts are globally enabled by any of the following actions:  
Execution of an EI (Enable Interrupt) instruction  
Execution of an IRET (Return from Interrupt) instruction  
Writing a 1 to the IRQEbit in the Interrupt Control register  
Interrupts are globally disabled by any of the following actions:  
Execution of a DI (Disable Interrupt) instruction  
eZ8 CPU acknowledgement of an interrupt service request from the interrupt  
controller  
Writing a 0 to the IRQEbit in the Interrupt Control register  
Reset  
PS017610-0404  
Interrupt Controller