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C8051F502-IM 参数 Datasheet PDF下载

C8051F502-IM图片预览
型号: C8051F502-IM
PDF下载: 下载PDF文件 查看货源
内容描述: 混合信号ISP功能的Flash MCU系列 [Mixed Signal ISP Flash MCU Family]
分类和应用: 微控制器和处理器外围集成电路PC时钟
文件页数/大小: 312 页 / 2813 K
品牌: SILICON [ SILICON ]
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C8051F50x-F51x  
SFR Page 0x0  
Automatically  
popped off of the  
stack on return from  
interrupt  
0xC  
SFRPAGE  
SFRNEXT  
SFRLAST  
(CAN0)  
0x0  
SFRNEXT  
popped to  
SFRPAGE  
(SPI0DAT)  
SFRLAST  
popped to  
SFRNEXT  
Figure 13.5. SFR Page Stack Upon Return From PCA Interrupt  
On the execution of the RETI instruction in the CAN0 ISR, the value in SFRPAGE register is overwritten  
with the contents of SFRNEXT. The CIP-51 may now access the SPI0DAT register as it did prior to the  
interrupts occurring. See Figure 13.6.  
Rev. 1.1  
105  
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