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ST7SCR1R4 Fiches technique(PDF) 11 Page - STMicroelectronics |
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ST7SCR1R4 Fiches technique(HTML) 11 Page - STMicroelectronics |
11 / 102 page ST7SCR 11/102 3 REGISTER & MEMORY MAP As shown in Figure 5, the MCU is capable of ad- dressing 64K bytes of memories and I/O registers. The available memory locations consist of 40 bytes of register locations, up to 512 bytes of RAM and up to 16K bytes 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 noted “Re- served” must never be accessed. Accessing a re- served area can have unpredictable effects on the device. Figure 5. Memory Map 0000h Interrupt & Reset Vectors HW Registers 0040h 003Fh (see Table 2) FFDFh FFE0h FFFFh (see Table 7) C000h 033Fh Program Memory RAM USB RAM (16K Bytes) Short Addressing Stack (128 Bytes) 0100h 0180h 023Fh 0040h 00FFh 017Fh 16-bit Addressing RAM RAM (192 Bytes) ( 192 Bytes) 023Fh 0240h 256 Bytes (512 Bytes) Unused 1 |
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