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TMS320C28345ZHHT Datasheet(PDF) 3 Page - Texas Instruments |
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TMS320C28345ZHHT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 170 page TMS320C28346, TMS320C28345, TMS320C28344 TMS320C28343, TMS320C28342, TMS320C28341 www.ti.com SPRS516D – MARCH 2009 – REVISED AUGUST 2012 4.10 Serial Communications Interface (SCI) Modules (SCI-A, SCI-B, SCI-C) .......................................... 84 4.11 Serial Peripheral Interface (SPI) Module (SPI-A, SPI-D) ............................................................. 88 4.12 Inter-Integrated Circuit (I2C) ............................................................................................. 91 4.13 GPIO MUX ................................................................................................................. 92 4.14 External Interface (XINTF) ............................................................................................... 99 5 Device Support ................................................................................................................ 101 5.1 Device and Development Support Tool Nomenclature ............................................................. 101 5.2 Documentation Support ................................................................................................. 103 5.3 Community Resources .................................................................................................. 106 6 Electrical Specifications ................................................................................................... 107 6.1 Absolute Maximum Ratings ............................................................................................ 107 6.2 Recommended Operating Conditions ................................................................................. 108 6.3 Electrical Characteristics ................................................................................................ 108 6.4 Current Consumption .................................................................................................... 109 6.4.1 Reducing Current Consumption ............................................................................. 111 6.5 Thermal Design Considerations ....................................................................................... 113 6.6 Emulator Connection Without Signal Buffering for the MCU ....................................................... 113 6.7 Timing Parameter Symbology .......................................................................................... 114 6.7.1 General Notes on Timing Parameters ...................................................................... 114 6.7.2 Test Load Circuit .............................................................................................. 114 6.7.3 Device Clock Table ........................................................................................... 115 6.8 Clock Requirements and Characteristics ............................................................................. 117 6.9 Power Sequencing ....................................................................................................... 118 6.9.1 Power Management and Supervisory Circuit Solutions .................................................. 119 6.10 General-Purpose Input/Output (GPIO) ................................................................................ 122 6.10.1 GPIO - Output Timing ........................................................................................ 122 6.10.2 GPIO - Input Timing .......................................................................................... 123 6.10.3 Sampling Window Width for Input Signals ................................................................. 124 6.10.4 Low-Power Mode Wakeup Timing .......................................................................... 125 6.11 Enhanced Control Peripherals ......................................................................................... 128 6.11.1 Enhanced Pulse Width Modulator (ePWM) Timing ....................................................... 128 6.11.2 Trip-Zone Input Timing ....................................................................................... 128 6.11.3 High-Resolution PWM Timing ............................................................................... 129 6.11.4 Enhanced Capture (eCAP) Timing ......................................................................... 129 6.11.5 Enhanced Quadrature Encoder Pulse (eQEP) Timing ................................................... 130 6.11.6 ADC Start-of-Conversion Timing ............................................................................ 131 6.12 External Interrupt Timing ................................................................................................ 131 6.13 I2C Electrical Specification and Timing ............................................................................... 132 6.14 Serial Peripheral Interface (SPI) Timing .............................................................................. 132 6.14.1 Master Mode Timing .......................................................................................... 132 6.14.2 SPI Slave Mode Timing ...................................................................................... 137 6.15 External Interface (XINTF) Timing ..................................................................................... 140 6.15.1 USEREADY = 0 ............................................................................................... 140 6.15.2 Synchronous Mode (USEREADY = 1, READYMODE = 0) ............................................. 141 6.15.3 Asynchronous Mode (USEREADY = 1, READYMODE = 1) ............................................ 142 6.15.4 XINTF Signal Alignment to XCLKOUT ..................................................................... 144 6.15.5 External Interface Read Timing ............................................................................. 145 6.15.6 External Interface Write Timing ............................................................................. 147 6.15.7 External Interface Ready-on-Read Timing With One External Wait State ............................ 149 6.15.8 External Interface Ready-on-Write Timing With One External Wait State ............................. 152 6.15.9 XHOLD and XHOLDA Timing ............................................................................... 155 6.16 Multichannel Buffered Serial Port (McBSP) Timing ................................................................. 157 6.16.1 McBSP Transmit and Receive Timing ...................................................................... 157 Copyright © 2009–2012, Texas Instruments Incorporated Contents 3 |
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