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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7261 датащи(PDF) 8 Page - STMicroelectronics |
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ST7261 датащи(HTML) 8 Page - STMicroelectronics |
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8 / 80 page  ST7261 8/80 3 REGISTER & MEMORY MAP As shown in the Figure 5, the MCU is capable of addressing 64K bytes of memories and I/O regis- ters. The available memory locations consist of 64 bytes of register locations, 256 bytes of RAM and 4 Kbytes of user program memory. The RAM space includes up to 128 bytes for the stack from 0100h to 017Fh. The highest address bytes contain the user reset and interrupt vectors. IMPORTANT: Memory locations marked as “Re- served” must never be accessed. Accessing a re- seved area can have unpredictable effects on the device. Figure 5. Memory Map 0000h Program Memory Interrupt & Reset Vectors HW Registers 0040h 003Fh (see Table 2) FFDFh FFE0h FFFFh See Table 5 on page 21 0180h Reserved 017Fh Short Addressing RAM Zero page 017Fh 0080h 00FFh (4 KBytes) F000h (128 Bytes) 256 Bytes RAM Stack or (128 Bytes) EFFFh 16-bit Addressing RAM Reserved 0080h 007Fh |
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