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ST72C124J2B6 데이터시트(PDF) 2 Page - STMicroelectronics |
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ST72C124J2B6 데이터시트(HTML) 2 Page - STMicroelectronics |
2 / 125 page Table of Contents 125 2/125 2 1 PREAMBLE: ST72C334 VERSUS ST72E331 SPECIFICATION . . . . . . . . . . . . . .... . . ... .. . 5 2 GENERAL DESCRIPTION . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . . 6 2.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. . 6 2.2 PIN DESCRIPTION . . .... . ... .. . . ... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . ... 7 2.3 REGISTER & MEMORY MAP . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... .. 12 2.4 FLASH PROGRAM MEMORY . . . . . . . . . . . . .... . ... .. .. .. .... . . . ... . . . . . . . . . . 16 2.4.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 16 2.4.2 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.4.3 Structural organisation . . . . . . . . . . . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 16 2.4.4 In-Situ Programming (ISP) mode . . . . . .... . ... .. .. .. .... . . . ... . . . . . . . . . . 16 2.5 PROGRAM MEMORY READ-OUT PROTECTION . . . . . . . . . . . . . . . . . . . .... . . ... .. 16 2.6 DATA EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . .... . ... .. . . ... .. . . . 17 2.6.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 17 2.6.2 Main Features . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . .... 17 2.6.3 Memory Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... .. . . . . . . . . . . 18 2.6.4 Data EEPROM and Power Saving Modes . . . . . . . . . . . . . .... ... . . . . . . . . . . . . 19 2.6.5 Data EEPROM Access Error Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.6.6 Register Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 20 3 CENTRAL PROCESSING UNIT . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . 21 3.1 INTRODUCTION . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 21 3.2 MAIN FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 21 3.3 CPU REGISTERS . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 21 4 SUPPLY, RESET AND CLOCK MANAGEMENT . . . . .... ... . . . . . . . . . . . . . . . . . . . . ... .. 24 4.1 LOW VOLTAGE DETECTOR (LVD) . . . . . . . . . . . . . . .... . . . .... . ... .. . . ... .. . . . 25 4.2 RESET SEQUENCE MANAGER (RSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... .. 26 4.3 CLOCK SECURITY SYSTEM (CSS) . . . . . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 32 4.3.1 Clock Filter Control . . .... . ... .. . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 32 4.3.2 Safe Oscillator Control . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 32 4.4 SUPPLY, RESET AND CLOCK REGISTER DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . 33 4.5 MAIN CLOCK CONTROLLER (MCC) . . . . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 34 5 INTERRUPTS & POWER SAVING MODES . . . . . . . .... . . . . .. . . . . . . . . . . . . . ... .. . .... 36 5.1 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 5.2 POWER SAVING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . ... 38 5.2.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 38 5.2.2 HALT Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . .... . ... .. . . ... .. . . . 38 5.2.3 WAIT Mode .... ... . ... .. . . ... .. . .... . ... .. . . . . .... . . . . .. . . . . . . . . . . 40 5.2.4 SLOW Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 41 6 ON-CHIP PERIPHERALS . . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... .. 42 6.1 I/O PORTS . . . . . . . . . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 42 6.1.1 Introduction . . . .... . . . . .. . . . . . . . . . . . . . ... ... . . . . . . . . . . ... .. .. . . . . . . 42 6.1.2 Functional Description . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 42 6.1.3 I/O Port Implementation . . . . . . . . . . . . . . . . . . . .... . . . .... .... .. . .... .. . . . 44 6.1.4 Register Description . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 45 6.2 MISCELLANEOUS REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 6.2.1 I/O Port Interrupt Sensitivity Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 |
유사한 부품 번호 - ST72C124J2B6 |
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유사한 설명 - ST72C124J2B6 |
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