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ST72E121 데이터시트(PDF) 3 Page - STMicroelectronics |
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3 / 92 page 3/92 Table of Contents 4.3.5 Interrupts . . . . . .... . . . . .. . . . . . . . . .... . ... .. .. .. . .... ... . . . . . . . . . . . . 44 4.3.6 Register Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 45 4.4 SERIAL COMMUNICATIONS INTERFACE (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 4.4.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 50 4.4.2 Main Features . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 50 4.4.3 General Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 50 4.4.4 Functional Description . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 52 4.4.5 Low Power Modes . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . 57 4.4.6 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 57 4.4.7 Register Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 58 4.5 SERIAL PERIPHERAL INTERFACE (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . .... . . ... .. 62 4.5.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 62 4.5.2 Main Features . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 62 4.5.3 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 4.5.4 Functional Description . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 64 4.5.5 Low Power Modes . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . 71 4.5.6 Interrupts . . . . . .... . . . . .. . . . . . . . . .... . ... .. .. .. . .... ... . . . . . . . . . . . . 71 4.5.7 Register Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 72 5 INSTRUCTION SET . . . . . . . . . . . . . . . . . . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . 75 5.1 ST7 ADDRESSING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 5.1.1 Inherent . . . . . . . . . . . .... . ... .. . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 76 5.1.2 Immediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 5.1.3 Direct . .... .... ... . ... .. . . ... .. . . ... . ... .. . . . . .... .... .. . . . . . . . . . . 76 5.1.4 Indexed (No Offset, Short, Long) . . . . . . . . . . . . .... . . . .... .... .. . .... .. . . . 76 5.1.5 Indirect (Short, Long) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 5.1.6 Indirect Indexed (Short, Long) . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 77 5.1.7 Relative mode (Direct, Indirect) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 5.2 INSTRUCTION GROUPS . . . . . . . . . . . . . . . . .... . . . . .. . . . . . . . . . . . . . ... .. . .... 78 6 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 81 6.1 ABSOLUTE MAXIMUM RATINGS . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 81 6.2 RECOMMENDED OPERATING CONDITIONS . . . . . . .... .... ... . . . . . . . . ... .. . . . 82 6.3 DC ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . ... .. 83 6.4 RESET CHARACTERISTICS . . . . . . . . . . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 84 6.5 OSCILLATOR CHARACTERISTICS . . . . . . . . . . . .... . . ... . . . . ... .. ... .. .. ... .. 84 6.6 PERIPHERAL CHARACTERISTICS . . . . . . . . . . ... . . . . . . . . . .... ... . . . . . . . . . . . . 84 7 GENERAL INFORMATION . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 88 7.1 EPROM ERASURE . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... ... . . . . . . . . ... .. .. . 88 7.2 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . . . .... . . . . ... . ... .. . . ... .. . . . 89 7.3 ORDERING INFORMATION . . . . . . . . . . . . . .... . ... .. . . . . .... . . . . .. . . . . . . . . . . 91 8 SUMMARY OF CHANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 3 |
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