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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ST6255C 数据表(PDF) 5 Page - STMicroelectronics |
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ST6255C 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 84 page  5/84 ST6255C ST6265C ST6265B 1.3 MEMORY MAP 1.3.1 Introduction The MCU operates in three separate memory spaces: Program space, Data space, and Stack space. Operation in these three memory spaces is described in the following paragraphs. Briefly, Program space contains user program code in OTP and user vectors; Data space con- tains user data in RAM and in OTP, and Stack space accommodates six levels of stack for sub- routine and interrupt service routine nesting. Figure 3. Memory Addressing Diagram PROGRAM SPACE PROGRAM INTERRUPT & RESET VECTORS ACCUMULATOR DATA RAM BANK SELECT WINDOW SELECT RAM X REGISTER Y REGISTER V REGISTER W REGISTER DATA READ-ONLY WINDOW RAM / EEPROM BANKING AREA 000h 03Fh 040h 07Fh 080h 081h 082h 083h 084h 0C0h 0FFh 0-63 DATA SPACE 0000h 0FF0h 0FFFh MEMORY MEMORY DATA READ-ONLY MEMORY |
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