Texas Instruments TMS320*2801 Series Manuals

Manuals and User Guides for Texas Instruments TMS320*2801 Series. We have 1 Texas Instruments TMS320*2801 Series manual available for free PDF download: Reference Manual

Texas Instruments TMS320*2801 Series Reference Manual

Texas Instruments TMS320*2801 Series Reference Manual (94 pages)

Boot ROM

Brand: Texas Instruments | Category: Computer Hardware | Size: 0.47 MB

Table of Contents

Table of Contents
3
Preface

7
1 Boot ROM Overview

11
- Boot ROM Memory Map
  12
- Memory Map of On-Chip ROM
  12
  - On-Chip Boot ROM IQ Math Tables
    13
  - CPU Vector Table
    14
- Vector Table Map
  14
- Vector Locations
  15
2 Bootloader Features

17
- Bootloader Functional Operation
  18
- Bootloader Flow Diagram
  18
  - Bootloader Device Configuration
    19
  - PLL Multiplier Selection
    19
  - Watchdog Module
    19
- Configuration for Device Modes
  19
  - Taking an ITRAP Interrupt
    20
  - Internal Pullup Resisters
    20
  - PIE Configuration
    20
  - Reserved Memory
    20
  - Bootloader Modes
    21
- Boot Mode Selection
  21
- Boot ROM Function Overview
  22
- Jump-To-Flash Flow Diagram
  22
- Flow Diagram of Jump to M0 SARAM
  23
- Flow Diagram of Jump-To-OTP Memory
  23
  - Bootloader Data Stream Structure
    24
- General Structure of Source Program Data Stream in 16-Bit Mode
  25
- LSB/MSB Loading Sequence in 8-Bit Data Stream
  27
  - Basic Transfer Procedure
    28
  - Initboot Assembly Routine
    29
- Bootloader Basic Transfer Procedure
  29
  - Selectbootmode Function
    30
- Overview of Initboot Assembly Function
  30
- Boot Mode Selection
  30
- Overview of the Selectbootmode Function
  32
  - Copydata Function
    33
  - Sci_Boot Function
    33
- Overview of Copydata Function
  33
- Overview of SCI Bootloader Operation
  33
- Overview of Sci_Boot Function
  34
  - Parallel_Boot Function (GPIO)
    35
- Overview of Sci_Getworddata Function
  35
- Overview of Parallel GPIO Bootloader Operation
  35
- Parallel GPIO Bootloader Handshake Protocol
  36
- Parallel GPIO Mode Overview
  36
- Parallel GPIO Mode - Host Transfer Flow
  37
- 8 Bit Parallel Getword Function
  
  38
  - Bit Parallel Getword Function
    39
  - SPI 8-Bit Data Stream
    40
  - SPI Loader
    40
  - Spi_Boot Function
    40
  - Data Transfer from EEPROM Flow
    41
    
    I 2 C Boot Function
    42
  - EEPROM Device at Address 0X50
    42
  - Overview of Spia_Getworddata Function
    42
  - Overview of I2C_Boot Function
    43
  - C 8-Bit Data Stream
    44
    
    Ecan Boot Function
    45
  - Random Read
    44
  - Bit-Rate Values for Different XCLKIN Values
    45
  - Overview of Ecan-A Bootloader Operation
    45
  - Sequential Read
    45
  - Ecan 8-Bit Data Stream
    46
    
    Exitboot Assembly Routine
    47
  - Exitboot Procedure Flow
    47
  - CPU Register Restored Values
    48
3 Building the Boot Table

49
4 Bootloader Code Overview

55
Revision History

93
- Changes for Revision C
  93

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