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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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ST72340 数据表(PDF) 11 Page - STMicroelectronics |
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ST72340 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 191 page  ST72340, ST72344, ST72345 11/191 3 REGISTER & MEMORY MAP As shown in Figure 5, the MCU is capable of ad- dressing 64 Kbytes of memories and I/O registers. The available memory locations consist of 128 bytes of register locations, up to 1 Kbytes of RAM, 256 bytes of Data EEPROM and up to 16 Kbytes of user program memory. The RAM space in- cludes up to 256 bytes for the stack from 0100h to 01FFh. The highest address bytes contain the user reset and interrupt vectors. Figure 5. Memory Map 0000h RAM Program Memory Interrupt & Reset Vectors HW Registers 0080h 007Fh BFFFh See Table C000h FFDFh FFE0h FFFFh Short Addressing RAM (zero page) 256 Bytes Stack 16-bit Addressing RAM 0100h 01FFh 047Fh 0080h 0200h 00FFh (512 or 1K Bytes) 0480h 047Fh Data EEPROM (256 Bytes) Reserved Reserved 0C00h 0CFFh 0BFFh 0D00h See Table 8 FFFFh E000h C000h (8 or 16 KBytes) 16 KBytes 8 KBytes SECTOR 2 SECTOR 1 FFFFh E000h C000h SECTOR 0 F000h (4k) or FC00h (1k) or FE00h (0.5k) or FB00h (2k) |
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