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89E52RD2-40-C-NJE 参数 Datasheet PDF下载

89E52RD2-40-C-NJE图片预览
型号: 89E52RD2-40-C-NJE
PDF下载: 下载PDF文件 查看货源
内容描述: 8位8051 Compatibale单片机(MCU)与嵌入式超快闪记忆 [8 bit 8051-Compatibale Microcontroller (MCU) with Embedded SuperFlash Memory]
分类和应用: 微控制器
文件页数/大小: 91 页 / 969 K
品牌: SST [ SILICON STORAGE TECHNOLOGY, INC ]
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FlashFlex51 MCU  
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2  
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2  
Preliminary Specifications  
2FFH  
FFH  
FFH  
80H  
Expanded  
RAM  
768 Bytes  
(Indirect Addressing)  
(Direct Addressing)  
Special  
Function  
Registers  
(SFRs)  
Upper 128 Bytes  
Internal RAM  
80H  
7FH  
Lower 128 Bytes  
Internal RAM  
(Indirect & Direct  
Addressing)  
(Indirect Addressing)  
00H  
000H  
FFFFH  
FFFFH  
(Indirect Addressing)  
(Indirect Addressing)  
External  
Data  
Memory  
External  
Data  
Memory  
0300H  
2FFH  
Expanded RAM  
000H  
0000H  
EXTRAM = 0  
EXTRAM = 1  
1255 F05.0  
FIGURE  
3-5: INTERNAL AND EXTERNAL DATA MEMORY STRUCTURE  
©2004 Silicon Storage Technology, Inc.  
S71255-00-000  
3/04  
16  
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