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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  
PROGRAM FLAG  
The PFLAG includes carry flag (C), decimal carry flag (DC) and zero flag (Z). If the result of operating is zero or there  
is carry, borrow occurrence, then these flags will be set to PFLAG register.  
PFLAG initial value = xxxx x000  
086H  
PFLAG  
Bit 7  
-
-
Bit 6  
-
-
Bit 5  
-
-
Bit 4  
-
-
Bit 3  
-
-
Bit 2  
C
R/W  
Bit 1  
DC  
R/W  
Bit 0  
Z
R/W  
CARRY FLAG  
C = 1: If executed arithmetic addition with occurring carry signal or executed arithmetic subtraction without borrowing  
signal or executed rotation instruction with shifting out logic “1”.  
C = 0: If executed arithmetic addition without occurring carry signal or executed arithmetic subtraction with borrowing  
signal or executed rotation instruction with shifting out logic “0”.  
DECIMAL CARRY FLAG  
DC = 1: If executed arithmetic addition with occurring carry signal from low nibble or executed arithmetic subtraction  
without borrow signal from high nibble.  
DC = 0: If executed arithmetic addition without occurring carry signal from low nibble or executed arithmetic subtraction  
with borrow signal from high nibble.  
ZERO FLAG  
Z = 1: After operation, the content of ACC is zero.  
Z = 0: After operation, the content of ACC is not zero.  
SONiX TECHNOLOGY CO., LTD  
Page 39  
Revision 1.94  
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