Freescale Semiconductor MC56F8257 Manuale utente

TOWER SYSTEMQuick Start Guide for TWR-MC56F8257

MC56F8257

For power conversion and

motor control applications

TWR-MC56F8257

Freescale Tower System

The TWR-MC56F8257 module is part of the Freescale Tower System,

a modular development platform that enables rapid prototyping and tool

re-use through reconfigurable hardware. Take your design to the next

level and begin constructing your Tower System today.

Thermistor

RT1 and Header

3.3V Regulator

5V–9V Power

in Connector

UART Connection

Select Headers

CAN Connector

CAN Disconnect

and Termination

Headers

Mini-B USB

Connector

Thermistor

RT4 and Header

Secondary Tower

Connector

TOWER SYSTEM

Get to Know the TWR-MC56F8257

Primary Tower

Connector

LEDs

Thermistor

RT2 and Header

IRQ PBs

and Headers

JTAG Header

RESET PB

OSBDM/UART

Target Power LEDs

Thermistor

RT3 and Header

OSBDM

Disconnect

OSBDM/UART

Select Header

OSBDM MCU (MC9S08JM60)

TOWER SYSTEMQuick Start Guide for TWR-MC56F8257

TWR-MC56F8257 Features List

Three mission choices to evaluate

the MC56F8257 (and future) DSC in

64 LQFP package:

• Stand-aloneoperationforcost-

effective power conversion system

development

• Stand-alonemotherboardforthe

APMOTOR56F8000E BLDC motor

demo system

• MaincontrolboardinaTower

System for large system development

Four flexible powering choices all

provide clean VDDA and VSSA for

low analog noise floor:

• USBpowerfromhostcomputer

• Barrelconnectorforsmallexternal

power supply

• PowerfromAPMOTOR56F8000E

connector

• TowerSystemelevatorboardpower

via edge connections

Devices included for evaluation

of the DSC:

• Optional8MHzcrystalcircuit

• NineLEDs

• Auxiliarysignalconnectorallows

access to all pins of the DSC in

stand-alone mode

• Fourthermistorsforsingleendedor

differential ADC input to the DSC

• CANtransceiverheaderand

termination

• Twopushbuttonsforuserinputor

interrupts to the DSC

• ResetpushbuttonfortheDSC

• USBtoSCIbridgeviaon-board

MC9S08JM60

Two debugging configuration

choices:

• JTAGtotheboard

• OSBDMviaUSB,jumperselection

TOWER SYSTEM

Install CodeWarrior

for Digital Signal

Controllers v8.3

CodeWarrior for Digital Signal Controllers

(DSCs) v8.3 (Special Edition 64 KB code

sizelimit)isincludedontheGetting

Started DVD. Please follow these steps.

• InsertDVDintoyourcomputeranda

menu will appear.

• Select“InstallCodeWarrior.”

One install supports all DSC products.

• Followtheon-screeninstructionsuntil

installation is complete.

• WheninstallingCodeWarrior,select

“Complete”set-upoption.

For updates, please visit

freescale.com/codewarrior

Connect the USB Cable

Ensure the header J20 has a

shuntinstalled.Inthiscasetheon-board

MC9S08JM60MCUoperatesasan

OSBDM debug interface. Connect one

endoftheUSBcabletothePCandthe

other end to the mini-B connector on the

TWR-56F8257 module. Allow the PC to

automaticallyconfiguretheUSBdrivers

if needed.

Try Default Demo

Application

NowyoushouldseeLEDsE0-E7flashing

in pairs, with a period of 400 ms. Touch

with your finger one of the on-board

thermistors (RT1, RT2, RT3, RT4) placed

on each corner of the board. By touching

the thermistor, you will increase its

temperature. The change of the

Step-by-Step Installation Instructions

STEP

In this Quick Start Guide, you will learn how to set up the TWR-56F8257

module and run the default thermistor and LED application.

STEP

TOWER SYSTEMQuick Start Guide for TWR-MC56F8257

temperature is detected by the DSC and

itwillchangetheLEDflashingpattern.If

you touch RT1, LEDs E0 and E1 will start

flashing with a period of 200 ms. All other

LEDs will be turned off. The thermistors

and the LEDs are related as follows:

Ifyouremoveyourfingerfromthe

thermistor, the LED flashing will return to

the default pattern.

Lab 1: Thermistor Lab

Using PGA Enabled ADC

To run and debug the thermistor

demonstration, follow the instructions

locatedintheGettingStartedDVDunder

the Training tab at the TWR-56F8257 Lab

Tutorial document.

Learn More about the

MC56F8257

Review the TWR-56F8257 labs document

included in the training section of

the DVD. Discover the benefits the

MC56F8257 brings to your application.

• Lab1:ThermistorLabUsing

 PGAEnabledADC

• Lab2:FFTLab

• Lab3:FIRFilterLab

• Lab4:BLDCHallMotorLab

• Lab5:FreeMASTERLab

• Lab6:DACandHSCMPLab

• Lab7:eFlexPWMLab

TheGettingStartedDVDcontainsazipped

folder with demo board materials. Copy

this folder to your computer.

For more information about the

MC56F8257 and other DSC families,

visit freescale.com/MC56F82xx and

freescale.com/dsc to review the latest

lab tutorials, application notes, supporting

documents and training opportunities.

STEP

Thermistor LEDs

RT1 E0, E1

RT2 E2, E3

RT3 E4, E5

RT4 E6, E7

STEP

TOWER SYSTEM

Jumper Option Setting Description

On-Board

Thermistor RT1

Connect

1-2, 3-4 Connect RT1 circuit to the MC56F827 DSC

none Disconnect RT1 circuit from the MC56F8257 DSC

On-Board

Thermistor RT2

Connect

1-2, 3-4 Connect RT2 circuit to the MC56F827 DSC

none Disconnect RT2 circuit from the MC56F8257 DSC

DSC Interrupt

Request Button

IRQ1 Select

1-2 Connect SW1 to MC56F8257 DSC pin GPIOC2/TXD0/TB0/

XB_IN2/CLKO

3-4 Connect SW1 to MC56F8257 DSC pin GPIOF6/TB2/PWM3X

none Disconnect SW1 from the MC56F8257 DSC

DSC Interrupt

Request Button

IRQ0 Select

1-2 Connect SW2 to MC56F8257 DSC pin

GPIOF8/RXD0/TB1

3-4 Connect SW2 to MC56F8257 DSC pin

GPIOF7/TB3

none Disconnect SW2 from the MC56F8257 DSC

J6 and

Power Choice

Selection for

3.3V Source

J6-1 to J7-2 Connect the on-board voltage regulator to the P3_3V power rail

J7-1 to J7-2 Connect P3_3V_MOTOR to the P3_3V power rail (power the 3.3V

rail from the motor control connector)

J7-2 to J7-3 Connect P3_3V_ELEV to the P3_3V power rail (power the 3.3V rail

from the tower connector)

J7-2 open Disconnect the P3_3V power rail – no power

TWR-MC56F8257 Jumper Options

Thefollowingisalistofallthejumperoptions.Thedefaultinstalledjumpersettingsareshowninbold.

To learn more about other Tower System

controller and peripheral modules, visit

freescale.com/tower.

Become a member of the online

TowerGeekscommunityat

towergeeks.org.

TOWER SYSTEMQuick Start Guide for TWR-MC56F8257

Jumper Option Setting Description

DSC Serial Port

Reception RXD

Source Select

(note that only

one connection

can be made

to pin 3 at a

time)

1-2 Connect ELEV_RXD0 from the Tower connector to MC56F8257

DSC pin GPIOF8/RXD0/TB1

2-3 Connect RXD_SEL from the USB Serial Bridge to MC56F8257 DSC

pin GPIOF8/RXD0/TB1

Pin 2 open Disconnect MC56F8257 DSC pin GPIOF8/RXD0/TB1

3-4 Connect RXD_SEL from the USB Serial Bridge to MC56F8257 DSC

pin GPIOF5/RXD1/XB_OUT5

4-5 Connect ELEV_RXD1 from the Tower connector to MC56F8257

DSC pin GPIOF5/RXD1/XB_OUT5

Pin 4 open Disconnect MC56F8257 DSC pin GPIOF5/RXD1/XB_OUT5

DSC Serial Port

Transmission

TXD Source

Select (note

that only one

connection can

be made to pin

3 at a time)

1-2 Connect ELEV_TXD0 from the Tower connector to MC56F8257

DSC pin GPIOC2/TXD0/TB0/XB_IN2/CLKO

2-3 Connect TXD_SEL from the USB Serial Bridge to MC56F8257 DSC

pin GPIOC2/TXD0/TB0/XB_IN2/CLKO

Pin 2 open Disconnect MC56F8257 DSC pin GPIOC2/TXD0/TB0/XB_IN2/CLKO

3-4 Connect TXD_SEL from the USB Serial Bridge to MC56F8257 DSC

pin GPIOF4/TXD1/XB_OUT4

4-5 Connect TXD_SEL from the USB Serial Bridge to MC56F8257

DSC pin GPIOF4/TXD1/XB_OUT4

Pin 4 open Shunt for BOOTMOD[1]=0 / Un-shunt for BOOTMOD[1]=1

J10 and

J11

5V Source

Select

J10-1 to J11-2 Connect the power in barrel connector (through fuse F1) to the input

of the 3.3V voltage regulator

J11-1 to J11-2 Connect P5V_TRG_USB (the switched USB 5V) to the input of

the 3.3V voltage regulator

J11-2 to J11-3 Connect P5V_ELEV to the input of the 3.3V voltage regulator

J11-2 open Disconnect the input of the 3.3V voltage regulator

J12 Unused open Unused

TWR-MC56F8257 Jumper Options

(continued)

Freescale, the Freescale logo and CodeWarrior are trademarks of

FreescaleSemiconductor,Inc.,Reg.U.S.Pat.&Tm.Off.Allother

product or service names are the property of their respective

owners.©2010FreescaleSemiconductor,Inc.

DocNumber:TWR56F8257QSG/REV0

AgileNumber:926-26034/REVA

Learn more at freescale.com/MC56F82xx and freescale.com/dsc.

TOWER SYSTEM

TWR-MC56F8257 Jumper Options

(continued)

Jumper Option Setting Description

J15

CAN

Termination

Enable

1-2 Connect the 120 ohm CAN termination resistor

open No CAN termination

J16 CAN Enable

1-2, 3-4

Connect the CAN transceiver TXD and RXD to MC56F8257 DSC

pins GPIOC11/CANTX/SCL1/TXD1 and GPIOC12/CANRX/SDA1/RXD1

open Disconnect the CAN transceiver

J17

MC9S08JM60

Bootload

Enable

1-2 Enable USB bootloading of the MCU Flash memory

open Disable bootloading

J19 Thermistor RT3

Connect

1-2, 3-4 Connect RT3 circuit to the MC56F827 DSC

none Disconnect RT3 circuit from the MC56F8257 DSC

J20 OSBDM Enable

1-2 Enable OSBDM function

none Enable USB Serial Bridge function

J21

OSBDM

Connect to

JTAG

1-2, 3-4, 5-6, 7-8 Connect the OSBDM debug signals (JTAG) to the MC56F8257

DSC JTAG pins

none Disconnect OSBDM from the MC56F8257 DSC

J21 Thermistor RT4

Connect 1-2, 3-4 Connect RT4 circuit to the MC56F827 DSC

Mouser Electronics

Authorized Distributor

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