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GMS90C32 参数 Datasheet PDF下载

GMS90C32图片预览
型号: GMS90C32
PDF下载: 下载PDF文件 查看货源
内容描述: 8位单芯片微控制器 [8-BIT SINGLE-CHIP MICROCONTROLLERS]
分类和应用: 微控制器
文件页数/大小: 59 页 / 764 K
品牌: HYNIX [ HYNIX SEMICONDUCTOR ]
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GMS90 Series  
CPU  
The GMS90 series is efficient both as a controller and as an arithmetic processor. It has extensive facilities for  
binary and BCD arithmetic and excels in its bit-handling capabilities. Efficient use of program memory results  
from an instruction set consisting of 44% one-byte, 41% two-byte, and 15% three-byte instructions. With a 12  
MHz crystal, 58% of the instructions are executed in 1.0µs (40MHz: 300ns).  
Special Function Register PSW  
LSB  
0
MSB  
7
Bit No.  
6
5
4
3
2
1
Addr. D0  
H
PSW  
CY AC F0 RS1 RS0 OV F1  
P
Bit  
Function  
Carry Flag  
CY  
AC  
F0  
Auxiliary Carry Flag  
(for BCD operations)  
General Purpose Flag  
Register Bank select control bits  
RS1  
RS0  
0
0
1
1
0
1
0
1
Bank 0 selected, data address 00H - 07H  
Bank 1 selected, data address 08H - 0FH  
Bank 2 selected, data address 10H - 17H  
Bank 3 selected, data address 18H - 1FH  
Overflow Flag  
OV  
F1  
P
General Purpose Flag  
Parity Flag  
Set/cleared by hardware each instruction cycle to indicate an odd/even  
number of "one" bits in the accumulator, i.e. even parity.  
Reset value of PSW is 00H.  
12  
Dec. 1998 Ver 3.0