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TMS320F28234ZJZA Datasheet(PDF) 3 Page - Texas Instruments |
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TMS320F28234ZJZA Datasheet(HTML) 3 Page - Texas Instruments |
3 / 195 page TMS320F28335, TMS320F28334, TMS320F28332 TMS320F28235, TMS320F28234, TMS320F28232 www.ti.com SPRS439I – JUNE 2007 – REVISED MARCH 2011 4.3 Enhanced PWM Modules (ePWM1/2/3/4/5/6 ) ........................................................................ 69 4.4 High-Resolution PWM (HRPWM) ....................................................................................... 73 4.5 Enhanced CAP Modules (eCAP1/2/3/4/5/6) ........................................................................... 74 4.6 Enhanced QEP Modules (eQEP1/2 ) ................................................................................... 76 4.7 Analog-to-Digital Converter (ADC) Module ............................................................................ 78 4.7.1 ADC Connections if the ADC Is Not Used .................................................................. 82 4.7.2 ADC Registers .................................................................................................. 83 4.7.3 ADC Calibration ................................................................................................. 84 4.8 Multichannel Buffered Serial Port (McBSP) Module .................................................................. 84 4.9 Enhanced Controller Area Network (eCAN) Modules (eCAN-A and eCAN-B) .................................... 87 4.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C) .......................................... 92 4.11 Serial Peripheral Interface (SPI) Module (SPI-A ) ..................................................................... 96 4.12 Inter-Integrated Circuit (I2C) ............................................................................................. 99 4.13 GPIO MUX ................................................................................................................ 100 4.14 External Interface (XINTF) .............................................................................................. 107 5 Device Support ................................................................................................................ 109 5.1 Device and Development Support Tool Nomenclature ............................................................. 109 5.2 Documentation Support ................................................................................................. 111 5.3 Community Resources .................................................................................................. 116 6 Electrical Specifications ................................................................................................... 117 6.1 Absolute Maximum Ratings ............................................................................................. 117 6.2 Recommended Operating Conditions ................................................................................. 118 6.3 Electrical Characteristics ................................................................................................ 118 6.4 Current Consumption .................................................................................................... 119 6.4.1 Reducing Current Consumption ............................................................................. 121 6.4.2 Current Consumption Graphs ............................................................................... 122 6.4.3 Thermal Design Considerations ............................................................................. 123 6.5 Emulator Connection Without Signal Buffering for the DSP ....................................................... 124 6.6 Timing Parameter Symbology .......................................................................................... 125 6.6.1 General Notes on Timing Parameters ...................................................................... 125 6.6.2 Test Load Circuit .............................................................................................. 125 6.6.3 Device Clock Table ........................................................................................... 126 6.7 Clock Requirements and Characteristics ............................................................................. 127 6.8 Power Sequencing ....................................................................................................... 128 6.8.1 Power Management and Supervisory Circuit Solutions .................................................. 128 6.9 General-Purpose Input/Output (GPIO) ................................................................................ 131 6.9.1 GPIO - Output Timing ........................................................................................ 131 6.9.2 GPIO - Input Timing .......................................................................................... 132 6.9.3 Sampling Window Width for Input Signals ................................................................. 133 6.9.4 Low-Power Mode Wakeup Timing .......................................................................... 134 6.10 Enhanced Control Peripherals ......................................................................................... 139 6.10.1 Enhanced Pulse Width Modulator (ePWM) Timing ....................................................... 139 6.10.2 Trip-Zone Input Timing ....................................................................................... 139 6.10.3 Enhanced Capture (eCAP) Timing ......................................................................... 140 6.10.4 Enhanced Quadrature Encoder Pulse (eQEP) Timing ................................................... 140 6.10.5 ADC Start-of-Conversion Timing ............................................................................ 141 6.11 External Interrupt Timing ................................................................................................ 141 Copyright © 2007–2011, Texas Instruments Incorporated Contents 3 |
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