SPI_sprueu3a(1) - TMS320x2833x, 2823x Serial Peripheral...

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Unformatted text preview: TMS320x2833x, 2823x Serial Peripheral Interface (SPI) Reference Guide Literature Number: SPRUEU3A August 2008Revised June 2009 2 SPRUEU3AAugust 2008Revised June 2009 Submit Documentation Feedback Contents Preface ............................................................................................................................... 7 1 Serial Peripheral Interface (SPI) ................................................................................... 9 1.1 Enhanced SPI Module Overview ......................................................................................... 10 1.1.1 SPI Block Diagram ................................................................................................ 12 1.1.2 SPI Module Signal Summary .................................................................................... 13 1.2 Overview of SPI Module Registers ...................................................................................... 13 1.3 SPI Operation ............................................................................................................... 14 1.3.1 Introduction to Operation ......................................................................................... 14 1.3.2 SPI Module Slave and Master Operation Modes ............................................................. 15 1.4 SPI Interrupts ............................................................................................................... 16 1.4.1 SPI Interrupt Control Bits ......................................................................................... 16 1.4.2 Data Format ........................................................................................................ 17 1.4.3 Baud Rate and Clocking Schemes ............................................................................. 18 1.4.4 Initialization Upon Reset .......................................................................................... 20 1.4.5 Data Transfer Example ........................................................................................... 20 1.5 SPI FIFO Description ...................................................................................................... 21 1.5.1 SPI Interrupts ...................................................................................................... 22 2 SPI Registers and Waveforms .................................................................................... 25 2.1 SPI Control Registers ...................................................................................................... 26 2.1.1 SPI Configuration Control Register (SPICCR) ................................................................ 26 2.1.2 SPI Operation Control Register (SPICTL) ..................................................................... 27 2.1.3 SPI Status Register (SPIST) ..................................................................................... 28 2.1.4 SPI Baud Rate Register (SPIBRR)...
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SPI_sprueu3a(1) - TMS320x2833x, 2823x Serial Peripheral...

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