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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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ST20GP1X33S 数据表(PDF) 2 Page - STMicroelectronics |
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ST20GP1X33S 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 116 page  Contents 2/116 ® 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 ST20-GP1 architecture overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 Digital signal processing module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.1 DSP module registers .......................................................................................................................... 13 4 Central processing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.1 Registers .............................................................................................................................................. 18 4.2 Processes and concurrency ................................................................................................................ 19 4.3 Priority .................................................................................................................................................. 21 4.4 Process communications ..................................................................................................................... 21 4.5 Timers .................................................................................................................................................. 22 4.6 Traps and exceptions .......................................................................................................................... 23 5 Interrupt controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5.1 Interrupt vector table ............................................................................................................................ 29 5.2 Interrupt handlers ................................................................................................................................. 29 5.3 Interrupt latency ................................................................................................................................... 30 5.4 Pre-emption and interrupt priority ........................................................................................................ 30 5.5 Restrictions on interrupt handlers ........................................................................................................ 30 5.6 Interrupt configuration registers ........................................................................................................... 31 6 Instruction set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.1 Instruction cycles ................................................................................................................................. 34 6.2 Instruction characteristics .................................................................................................................... 35 6.3 Instruction set tables ............................................................................................................................ 36 7 Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 7.1 System memory use ............................................................................................................................ 45 7.2 Boot ROM ............................................................................................................................................ 46 7.3 Internal peripheral space ..................................................................................................................... 46 8 Memory subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 8.1 SRAM .................................................................................................................................................. 49 9 Programmable memory interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 9.1 EMI signal descriptions ........................................................................................................................ 51 9.2 Strobe allocation .................................................................................................................................. 52 9.3 External accesses ................................................................................................................................ 52 |
类似零件编号 - ST20GP1X33S |
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类似说明 - ST20GP1X33S |
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