Texas Instruments TMS320F2837 D Series Manuel utilisateur

TMS320F2837xD Microcontroller

Workshop

Workshop Guide and Lab Manual

Kenneth W. Schachter

Revision 2.0

January 2018

Important Notice

ii TMS320F2837xD Microcontroller Workshop - Introduction

Important Notice

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Revision History

February 2015 – Revision 1.0

May 2015 – Revision 1.1

January 2018 – Revision 2.0

Mailing Address

Texas Instruments

C2000 Training Technical

13905 University Boulevard

Sugar Land, TX 77479

TMS320F2837xD Microcontroller Workshop

TMS320F2837xD Microcontroller Workshop - Introduction iii

TMS320F2837xD Microcontroller Workshop

TMS320F2837xD Microcontroller

Workshop

Texas Instruments

C2000 Technical Training

C2000 is trademarks of Texas Instruments.

Workshop Outline

1. Architecture Overview

2. Programming Development Environment

•Lab: Linker command file

3. Peripheral Register Header Files

4. Reset and Interrupts

5. System Initialization

•Lab: Watchdog and interrupts

6. Analog Subsystem

•Lab: Build a data acquisition system

7. Control Peripherals

•Lab: Generate and graph a PWM waveform

8. Direct Memory Access (DMA)

•Lab: Use DMA to buffer ADC results

9. Control Law Accelerator (CLA)

•Lab: Use CLA to filter PWM waveform

10. System Design

•Lab: Run the code from flash memory

11. Dual-Core Inter-Processor Communications (IPC)

•Lab: Transfer data using IPC

12. Communications

13. Support Resources

TMS320F2837xD Microcontroller Workshop

iv TMS320F2837xD Microcontroller Workshop - Introduction

Required Workshop Materials

http://processors.wiki.ti.com/index.php/

C2000_Multi-Day_Workshop

F28379D LaunchPad

(LAUNCHXL-F28379D)

Install Code Composer Studio v7.3.0

Run the workshop installer

F2837xD Microcontroller Workshop-2.0-Setup.exe

Lab Files / Solution Files

Workshop Manual

Development Tools

F28379D LaunchPad

Note: F28379D –337 pin package

XDS100v2

emulation circuitry

CON1:USB

emulation/

UART

JP2:GND

from USB

(disables

isolation)

JP1:3.3V

from USB

(disables

isolation)

J2/J4 *

* = BoosterPack plug-in module connector

TMS320F28379D

J1/J3 * J5/J7 *

J6/J8 *

JP4/JP5

(connects

3.3V/5V

to J5/J7)

S1: Boot

Modes

S3: Reset

D10: GPIO31

(blue)

D9: GPIO34

(red)

D1: Power

(green)

J12:

CAN

J14:

QEP_A

J15:

QEP_B

J21

(ADC-D

differential

pair inputs)

J20/J19

(Optional SMA

connector point)

JP3:5V

from USB

(disables

isolation)

J13/J11

I2C

TMS320F2837xD Microcontroller Workshop

TMS320F2837xD Microcontroller Workshop - Introduction v

F28379D controlCARD

SW1: Boot

Modes

TMS320F28379D

A:J1-USB

emulation/

UART

J8: Host/

Device

XDS100v2 emulation

and isolation circuitry

A:SW1-isolatedemulation

andUART communication

enable switch U5: µSD

card

LED LD2:

GPIO31 (red) LED LD3:

GPIO34 (red)

LED

LD1:

Power

(green)

J2 -J7: USB

PHY connection

enable jumpers

SW2: ADC

VREFHI

ADC A & B

SW3: ADC

VREFHI

ADC C & D

Note: F28379D –337 BGA

controlCARD Docking Station

TMS320F2837xD Microcontroller Workshop

vi TMS320F2837xD Microcontroller Workshop - Introduction

TMS320F28x7x Device Comparison

F2807x F2837xS F2837xD

C28x

CPUs 112

Clock

120 MHz 200 MHz 200 MHz

Flash

/ RAM / OTP 256Kw / 50Kw / 2Kw 512Kw / 82Kw / 2Kw 512Kw / 102Kw / 2Kw

-chip Oscillators PPP

Watchdog

Timer P P P (each CPU)

ADC

Three 12-bit Four 12/16-bit Four 12/16-bit

Buffered DAC

333

Analog

COMP w/DAC PPP

FPU

P P P (each CPU)

-Channel DMA P P P (each CPU)

CLA

P P P (each CPU)

VCU

/ TMU -/ P P / P P / P(each CPU)

ePWM

/ HRPWM P/ P P / P P / P

eCAP

/ HRCAP P/ -P/ -P/ -

eQEP

PPP

SCI

/ SPI / I2C P/ P/ P P / P/ P P / P/ P

CAN /

McBSP /USB P/ P/ P P / P/ P P / P/ P

UPP

-P P

EMIF

122

TMS320F28x7x Block Diagrams

F2837xD –Dual-Core Block Diagram

TMS320F2837xD Microcontroller Workshop

TMS320F2837xD Microcontroller Workshop - Introduction vii

F2837xS –Single-Core Block Diagram

F2807x –Block Diagram

TMS320F2837xD Microcontroller Workshop

viii TMS320F2837xD Microcontroller Workshop - Introduction

TMS320F2837xD Microcontroller Workshop - Architecture Overview 1 - 1

Architecture Overview

Introduction

This architectural overview introduces the basic architecture of the C2000™ family of

microcontrollers from Texas Instruments. The F28x7x series adds a new level of high

performance processing ability. The C2000™ is ideal for applications combining digital signal

processing, microcontroller processing, efficient C code execution, and operating system tasks.

Unless otherwise noted, the terms C28x and F28x7x refer to TMS320F28x7x devices throughout

the remainder of these notes. For specific details and differences please refer to the device data

sheet, user’s guide, and technical reference manual.

Module Objectives

When this module is complete, you should have a basic understanding of the F28x7x architecture

and how all of its components work together to create a high-end, uniprocessor control system.

Module Objectives



Review the F28x7x block diagram and

device features



Describe the F28x7x bus structure

and memory map



Identify the various memory blocks on

the F28x7x



Identify the peripherals available on

the F28x7x

Introduction to the TMS320F28x7x

1 - 2 TMS320F2837xD Microcontroller Workshop - Architecture Overview

Chapter Topics

Architecture Overview................................................................................................................1-1

Introduction to the TMS320F28x7x...........................................................................................1-3

C28x Internal Bussing...........................................................................................................1-4

C28x CPU + FPU + VCU + TMU and CLA...............................................................................1-5

Special Instructions...............................................................................................................1-6

CPU Pipeline.........................................................................................................................1-7

C28x CPU + FPU + VCU + TMU Pipeline ............................................................................1-8

Peripheral Write-Read Protection .........................................................................................1-9

Memory ...................................................................................................................................1-10

Memory Map .......................................................................................................................1-10

Dual Code Security Module (DCSM) ..................................................................................1-11

Peripherals..........................................................................................................................1-11

Fast Interrupt Response Manager ..........................................................................................1-12

Math Accelerators...................................................................................................................1-13

Viterbi / Complex Math Unit (VCU-II)..................................................................................1-13

Trigonometric Math Unit (TMU)...........................................................................................1-14

On-Chip Safety Features ........................................................................................................1-15

Summary.................................................................................................................................1-16

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