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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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ST7262 数据表(PDF) 11 Page - STMicroelectronics |
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ST7262 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 139 page  ST7262 11/139 3 REGISTER & MEMORY MAP As shown in the Figure 7, 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, 768 bytes of RAM and up to 16 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 7. Memory Map 0000h Program Memory Interrupt & Reset Vectors HW Registers BFFFh 0040h 003Fh (see Table 2) C000h FFDFh FFE0h FFFFh (see Table 6) 0340h Reserved 033Fh Short Addressing RAM (zero page) or Stack 017Fh 0040h 00FFh 768 Bytes RAM E000h 8 KBytes (128 Bytes) 16 KBytes 384 Bytes RAM 64 Bytes 01BFh 16-bit Addressing RAM Short Addressing RAM (zero page) 017Fh 0040h 00FFh 448 Bytes 033Fh 16-bit Addressing RAM 16-bit Addressing RAM or Stack (128 Bytes) 16-bit Addressing RAM 192 Bytes 192 Bytes |
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