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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST6246 Scheda tecnica(PDF) 8 Page - STMicroelectronics |
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ST6246 Scheda tecnica(HTML) 8 Page - STMicroelectronics |
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8 / 72 page  8/72 ST62T46B/E46B 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 Program memory and user vectors; Data space contains user data in RAM and in Program memory, and Stack space accommodates six lev- els of stack for subroutine 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 REGIST ER Y REGIST ER V REGIST ER 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 VR01568 344 |
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