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TMS320C242FN bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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TMS320C242FN bảng dữ liệu(HTML) 2 Page - Texas Instruments |
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2 / 66 page  TMS320C242 DSP CONTROLLER SPRS063B – DECEMBER 1997 – REVISED DECEMBER 1999 2 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 Table of Contents Description 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Device Features 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FN Package, 68-Pin PLCC, ’C242 4 . . . . . . . . . . . . . . . . . PG Package, 64-Pin QFP, ’242 5 . . . . . . . . . . . . . . . . . . . . Terminal Functions - ’C242 PG and FN Packages 6 . . . . Functional Block Diagram 9 . . . . . . . . . . . . . . . . . . . . . . . . Architectural Overview 10 . . . . . . . . . . . . . . . . . . . . . . . . . . System-Level Functions 10 . . . . . . . . . . . . . . . . . . . . . . . . . Device Memory Map 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . Memory Map 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peripheral Memory Map 12 . . . . . . . . . . . . . . . . . . . . . . . . Digital I/O and Shared Pin Functions 13 . . . . . . . . . . . . . Digital I/O Control Registers 15 . . . . . . . . . . . . . . . . . . . . Device Reset and Interrupts 15 . . . . . . . . . . . . . . . . . . . . Clock Generation 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Low-Power Modes 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functional Block Diagram of the ’24x DSP CPU 26 . . . . ’24x Legend for the Internal Hardware 27 . . . . . . . . . . . ’C242 DSP Core CPU 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . Internal Memory 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peripherals 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Event-Manager (EV2) Module 30 . . . . . . . . . . . . . . . . . . Analog-to-Digital Converter (ADC) Module 34 . . . . . . . . A/D Overview 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Serial Communications Interface (SCI) Module 36 . . . . Watchdog (WD) Timer Module 38 . . . . . . . . . . . . . . . . . . Scan-Based Emulation 40 . . . . . . . . . . . . . . . . . . . . . . . . . . Development Support 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . Nomenclature 42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Documentation Support 43 . . . . . . . . . . . . . . . . . . . . . . . . . Absolute Maximum Ratings 44 . . . . . . . . . . . . . . . . . . . . . . Recommended Operating Conditions 44 . . . . . . . . . . . . . Electrical Characteristics 44 . . . . . . . . . . . . . . . . . . . . . . . . Parameter Measurement Information 45 . . . . . . . . . . . . . . Signal Transition Levels 45 . . . . . . . . . . . . . . . . . . . . . . . . Timing Parameter Symbology 46 . . . . . . . . . . . . . . . . . . . General Notes on Timing Parameters 46 . . . . . . . . . . . . Clock Characteristics and Timings 47 . . . . . . . . . . . . . . . . Clock Options 47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ext Reference Crystal/Clock w/PLL Circuit Enabled 48 Low-Power Mode Timings 49 . . . . . . . . . . . . . . . . . . . . . . RS Timings 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XF, BIO, and MP/MC Timings 51 . . . . . . . . . . . . . . . . . . . Timing Event Manager Interface 52 . . . . . . . . . . . . . . . . . . PWM Timings 52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Capture and QEP Timings 53 . . . . . . . . . . . . . . . . . . . . . . Interrupt Timings 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General-Purpose Input/Output Timings 55 . . . . . . . . . . . 10-Bit Dual Analog-to-Digital Converter (ADC) 56 . . . . . . ADC Operating Frequency 56 . . . . . . . . . . . . . . . . . . . . . ADC Input Pin Circuit 57 . . . . . . . . . . . . . . . . . . . . . . . . . . Internal ADC Module Timings 58 . . . . . . . . . . . . . . . . . . . Register File Compilation 59 . . . . . . . . . . . . . . . . . . . . . . . . Mechanical Data 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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