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SN8A1704A 参数 Datasheet PDF下载

SN8A1704A图片预览
型号: SN8A1704A
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-Bit Micro-Controller]
分类和应用: 微控制器
文件页数/大小: 145 页 / 774 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8P1700  
8-bit micro-controller build-in 12-bit ADC  
STACK OPERATIONS  
OVERVIEW  
The stack buffer of SN8P1700 has 8-level high area and each level is 12-bits length. This buffer is designed to save  
and restore program counter’s (PC) data when interrupt service is executed. The STKP register is a pointer designed  
to point active level in order to save or restore data from stack buffer for kernel circuit. The STKnH and STKnL are the  
12-bit stack buffers to store program counter (PC) data.  
STACK BUFFER  
PCL  
PCH  
CALL /  
RET /  
RETI  
interrupt  
STKP = 7  
STKP = 6  
STKP = 5  
STKP = 4  
STKP = 3  
STKP = 2  
STKP = 1  
STKP = 0  
STK0L  
STK1L  
STK2L  
STK3L  
STK4L  
STK5L  
STK6L  
STK7L  
STK0H  
STK1H  
STK2H  
STK3H  
STK4H  
STK5H  
STK6H  
STK7H  
STKP  
STKP  
STKP + 1 STKP - 1  
Figure 3-7 Stack-Save and Stack-Restore Operation  
SONiX TECHNOLOGY CO., LTD  
Page 41  
Revision 1.94  
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