Freescale Semiconductor FRDM-17C724-EVB Manuale utente

Freescale Semiconductor

User’s Guide

Document Number: KTFRDM17C724UG

Rev. 1.0, 11/2014

FRDM-17C724-EVB Evaluation Board

Figure 1. FRDM-17C724-EVB

KTFRDM17C724UG, Rev. 1.0

2Freescale Semiconductor, Inc.

Table of Contents

1 Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Getting to Know the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

5 Installing the Software and Setting up the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7 Silkscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8 Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

9 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

KTFRDM17C724UG, Rev. 1.0

Freescale Semiconductor 3

Important Notice

1 Important Notice

Freescale provides the enclosed product(s) under the following conditions:

This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES

ONLY. It is provided as a sample IC pre-soldered to a printed circuit board to make it easier to access inputs,

outputs, and supply terminals. This evaluation kit may be used with any development system or other source

of I/O signals by simply connecting it to the host MCU or computer board via off-the-shelf cables. Final device

in an application will be heavily dependent on proper printed circuit board layout and heat sinking design as

well as attention to supply filtering, transient suppression, and I/O signal quality.

The goods provided may not be complete in terms of required design, marketing, and or manufacturing related

protective considerations, including product safety measures typically found in the end product incorporating

the goods. Due to the open construction of the product, it is the user's responsibility to take any and all

appropriate precautions with regard to electrostatic discharge. In order to minimize risks associated with the

customers applications, adequate design and operating safeguards must be provided by the customer to

minimize inherent or procedural hazards. For any safety concerns, contact Freescale sales and technical

support services.

Should this evaluation kit not meet the specifications indicated in the kit, it may be returned within 30 days from

the date of delivery and will be replaced by a new kit.

Freescale reserves the right to make changes without further notice to any products herein. Freescale makes

no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor

does Freescale assume any liability arising out of the application or use of any product or circuit, and

specifically disclaims any and all liability, including without limitation consequential or incidental damages.

“Typical” parameters can and do vary in different applications and actual performance may vary over time. All

operating parameters, including “Typical”, must be validated for each customer application by customer’s

technical experts.

Freescale does not convey any license under its patent rights nor the rights of others. Freescale products are

not designed, intended, or authorized for use as components in systems intended for surgical implant into the

body, or other applications intended to support or sustain life, or for any other application in which the failure

of the Freescale product could create a situation where personal injury or death may occur.

Should the Buyer purchase or use Freescale products for any such unintended or unauthorized application,

the Buyer shall indemnify and hold Freescale and its officers, employees, subsidiaries, affiliates, and

distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising

out of, directly or indirectly, any claim of personal injury or death associated with such unintended or

unauthorized use, even if such claim alleges that Freescale was negligent regarding the design or manufacture

of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other

product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2014

KTFRDM17C724UG, Rev. 1.0

4Freescale Semiconductor, Inc.

Getting Started

2 Getting Started

2.1 Kit Contents/Packing List

The FRDM-17C724-EVB contents include:

• Assembled and tested evaluation board/module in an anti-static bag

• Quick Start Guide, Analog Tools

• Warranty card

2.2 Jump Start

Freescale’s analog product development boards help to easily evaluate Freescale products. These tools support analog mixed signal and

power solutions including monolithic ICs using proven high-volume SMARTMOS mixed signal technology, and system-in-package devices

utilizing power, SMARTMOS and MCU dies. Freescale products enable longer battery life, smaller form factor, component count reduction,

ease of design, lower system cost and improved performance in powering state of the art systems.

•Gotowww.freescale.com/analogtools

•Locate your kit

• Review your Tool Summary Page

• Look for

• Download documents, software, and other information

Once the files are downloaded, review the user guide JumpStart. The user guide includes setup instructions, BOM and schematics. Jump

start bundles are available on each tool summary page with the most relevant and current information. The information includes everything

needed for design.

2.3 Required Equipment and Software

To use this kit, you need:

• DC Power supply (2.7 V to 5.5 V, 0.1 A to 0.4 A, depending on stepper motor requirements)

• USB A to mini-B cable

• Oscilloscope (preferably 4-channel) with current probe(s)

• Digital multimeter

• FRDM-KL25Z Freedom Development Platform

• Typical loads (stepper motor, brushed DC motors, or power resistors)

• 3/16" blade screwdriver

• One 12-pin (PPTC062LFBN-RC), two 16-pin (PPTC082LFBN-RC), and one 20-pin (PPTC102LFBN-RC) female

connector, by Sullins Connector Solutions, or equivalent soldered to FRDM-KL25Z

2.4 System Requirements

The kit requires the following:

• USB-enabled PC with Windows®XP or higher

KTFRDM17C724UG, Rev. 1.0

Freescale Semiconductor 5

Getting to Know the Hardware

3 Getting to Know the Hardware

3.1 Board Overview

The FRDM-17C724-EVB evaluation board features the MPC17C724 dual H-Bridge IC, which features the ability to drive either a single

two phase stepper motor or two brushed DC motors. The MPC17C724 incorporates internal control logic, a charge pump, gate drive, and

high current, low RDS(on) MOSFET output circuitry.

3.2 Board Features

The FRDM-17C724-EVB evaluation board is designed to easily evaluate and test the main component, the MPC17C724. The board's

main features are as follows:

• Compatible with Freedom series evaluation boards such as FRDM-KL25Z

• Built in fuse for both part and load protection

• Screw terminals to provide easy connection of power and loads

• Test points to allow probing of signals

• Built in voltage regulator to supply logic level circuitry

• LED to indicate status of Logic power supply of the evaluation board, as well as a general purpose indicator

3.3 FRDM-KL25Z Features

The FRDM-KL25Z board features are as follows:

• MKL25Z128VLK4 MCU - 48 MHz, 128 KB Flash, 16 KB SRAM, USB OTG (FS), 80LQFP

• Capacitive touch slider, MMA8451Q accelerometer, tri-color LED

• Flexible power supply options - USB, coin cell battery, external source

• Easy access to MCU I/O

• Battery-ready, power-measurement access points

• Form factor compatible with Arduino™ R3 pin layout

• New, OpenSDA debug interface

• Mass storage device flash programming interface (default) - no tool installation required to evaluate demonstration

applications

• P&E Debug interface provides run-control debugging and compatibility with IDE tools

• CMSIS-DAP interface: new ARM standard for embedded debug interface

Additional reference documents are available on freescale.com/FRDM-KL25Z.

3.4 Device Features

This evaluation board features the following Freescale product:

Table 1. Device Features

Device Description Features

MPC17C724

The MPC17C724 is a dual H-Bridge

motor driver IC intended for operating

stepper motors

• Voltage range of operation from 2.7 V to 5.5 V

• Output Current of 0.4 A (DC) continuous, 0.8 A peak

•1.0RDS(on) H-Bridge MOSFET outputs

• 3.3/5.0 V TTL/CMOS compatible inputs

• PWM frequencies up to 200 kHz

• Undervoltage shutdown

• Cross conduction (shoot through) suppression

KTFRDM17C724UG, Rev. 1.0

6Freescale Semiconductor, Inc.

Getting to Know the Hardware

3.5 Board Description

This evaluation board consists mainly of an MPC17C724. The following sections describe the additional hardware used to support the

dual H-Bridge driver.

Figure 2. Board Description

Table 2. Board Description

Name Description

U1 MPC17C724 H-Bridge motor drive IC

F1 Over current Protection Fuse

D4 User defined LED output

OUT1A Output 1A Connect motor phase 1 lead to this terminal

OUT1B Output 1B Connect motor phase 1 lead to this terminal

OUT2A Output 2A Connect motor phase 2 lead to this terminal

OUT2B Output 2B Connect motor phase 2 lead to this terminal

CRES Charge Pump Voltage

VM Power Supply Input

GND Ground Terminal

SNS Not used – connection to FRDM-KL25Z input

ANL Not used – connection to FRDM-KL25Z input

GND Ground Terminal

MPC17C724

LED outputProtection Fuse

OUT1A

OUT1B

OUT2A

OUT2B

Charge Pump Voltage

Power Supply Input

Not Used

Ground

CONNECT PHASE 1

OF STEPPER TO

THESE TERMINALS

CONNECT PHASE 2

OF STEPPER TO

THESE TERMINALS

Ground

Not Used

KTFRDM17C724UG, Rev. 1.0

Freescale Semiconductor 7

Getting to Know the Hardware

3.6 LED Display

An LED is provided as a visual output device for the FRDM-17C724-EVB evaluation board:

3.7 Test Point Definitions

The following test-points provide access to signals on the FRDM-17C724-EVB. These signals are:

3.8 Input Signal Definitions

The MPC17C724 IC has five input signals that are used to control certain outputs or functions inside the circuit. These signals are:

Table 3. Board Description

Name Description

LED1 (D4 board designator) Illuminated with an output from the FRDM-KL25Z. Note the on board voltage regulator must

be operating for the LED to operate

Table 4. Test Point Definitions

TP# Signal Name Description

TP1 GND Ground

TP2 OUT2A H-Bridge 2 Output A

TP3 OUT2B H-Bridge 2 Output B

TP4 OUT1A H-Bridge 1 Output A

TP5 IN1A H-Bridge 1 Input A

TP6 IN1B H-Bridge 1 Input B

TP7 PSAVE Standby/Enable pin

TP8 READY Logic signal from microcontroller. This signal causes the green LED to operate

TP9 SNSIN Not Used

TP10 ANLIN Not Used

TP11 VDDPWRGOOD Signal to the Microcontroller indicating the voltage regulator is operating (3.3 V)

TP12 IN2A H-Bridge 2 Input A

TP13 IN2B H-Bridge 2 Input B

TP14 OUT1B H-Bridge 1 Output B

TP15 VDD Logic Power Supply from the voltage regulator on the evaluation board

Table 5. Input Signal Definitions

Name Description

IN1A Controls OUT1A

IN1B Controls OUT1B

IN2A Controls OUT2A

IN2B Controls OUT2B

PSAVE Enables Outputs 1A, 1B and Outputs 2A, 2B

KTFRDM17C724UG, Rev. 1.0

8Freescale Semiconductor, Inc.

Getting to Know the Hardware

3.9 Output Signal Definitions

The MPC17C724 IC has four output signals used to drive a 2 phase stepper motor. These signals are:

3.10 Screw Terminal Connections

There are four connectors on the FRDM-17C724-EVB which provide connections to the following signals:

3.11 Jumper J9

The FRDM-17C724-EVB has provision (not populated) for a jumper to accommodate measuring the total current consumption. If the fuse

is bypassed, use extreme care to make sure the maximum current for the MPC17C724 is not exceeded (0.4 A continuous, 0.8 A

peak/transients).

Table 6. Output Signal Definitions

Name Description

OUT1A Output A of H-Bridge 1

OUT1B Output B of H-Bridge 1

OUT2A Output A of H-Bridge 2

OUT2B Output B of H-Bridge 2

Table 7: Screw Terminal Connections

Name Signal Signal Description

J5 OUT1A H-Bridge 1 output A

OUT1B H-Bridge 1 output B

CRES Charge pump voltage for H-Bridge gate drive

VM Motor supply input (this is also the supply for the on board voltage regulator)

GND Primary ground connection for the motor power supply

J7 OUT2A H-Bridge 2 output A

OUT2B H-Bridge 2 output B

SNS Not Used

ANL Not Used

GND Additional ground

KTFRDM17C724UG, Rev. 1.0

Freescale Semiconductor 9

FRDM-KL25Z Freedom Development Platform

4 FRDM-KL25Z Freedom Development Platform

The Freescale Freedom development platform is a set of software and hardware tools for evaluation and development. It is ideal for rapid

prototyping of microcontroller-based applications. The Freescale Freedom KL25Z hardware, FRDM-KL25Z, is a simple, yet sophisticated

design featuring a Kinetis L Series microcontroller, the industry's first microcontroller built on the ARM®Cortex™-M0+ core.

4.1 Connecting FRDM-KL25Z to the Board

The FRDM-17C724-EVB kit may be used with many of the Freedom platform evaluation boards featuring Kinetis processors. The

FRDM-KL25Z evaluation board has been chosen specifically to work with the FRDM-17C724-EVB kit because of its low cost and features.

The FRDM-KL25Z board makes use of the USB, built in LEDs, and I/O ports available with Freescale’s Kinetis KL2x family of

microcontrollers. The main functions provided by the FRDM-KL25Z are to allow control of a stepper motor using a PC computer over USB,

and to drive the necessary inputs on the FRDM-17C724-EVB evaluation kit to operate the motor.

The FRDM-17C724-EVB is connected to the FRDM-KL25Z using four dual row headers. The connections are as follows:

Table 8: FRDM-17C724-EVB to FRDM-KL25Z Connections

FRDM-17C724-EVB FRDM-KL25Z PIn Hardware Name

Description

Header Pin Header Pin FRDM-17C724-EVB FRDM-KL25Z

J1 1 J9 1 RUNPWRGD PTB8 Regulator voltage present

J1 2 J9 2 N/C SDA_PTD5 No connection

J1 3 J9 3 GND PTB9 System Ground

J1 4 J9 4 N/C P3V3 No connection

J1 5 J9 5 GND PTB10 System ground

J1 6 J9 6 N/C RESET/PTA20 No connection

J1 7 J9 7 GND PTB11 System ground

J1 8 J9 8 N/C P3V3 No connection

J1 9 J9 9 N/C PTE2 No Connection

J1 10 J9 10 N/C P5V_USB No connection

J1 11 J9 11 N/C PTE3 No connection

J1 12 J9 12 GND GND System ground

J1 13 J9 13 N/C PTE4 No connection

J1 14 J9 14 N/C GND No connection

J1 15 J9 15 N/C PTE5 No connection

J1 16 J9 16 N/C P5-9V_VIN No connection

J2 1 J1 1 EN PTC7 Enable

J2 2 J1 2 N/C PTA1 No connection

J2 3 J1 3 N/C PTC0 No connection

J2 4 J1 4 N/C PTD4 No connection

J2 5 J1 5 N/C PTC3 No connection

J2 6 J1 6 IN1A PTD4 Input 1A

J2 7 J1 7 N/C PTC4 No connection

J2 8 J1 8 IN1B PTA12 Input 1B

J2 9 J1 9 READY PTC5 No connection green LED (from KL25Z)

J2 10 J1 10 IN2A PTA4 No connection

J2 11 J1 11 READY PTC6 Not used

KTFRDM17C724UG, Rev. 1.0

10 Freescale Semiconductor, Inc.

FRDM-KL25Z Freedom Development Platform

J2 12 J1 12 IN2B PTA5 No connection

J2 13 J1 13 N/C PTC10 No connection

J2 14 J1 14 N/C PTC8 No connection

J2 15 J1 15 N/C PTC11 No connection

J2 16 J1 16 N/C PTC9 No connection

J3 1 J2 1 N/C PTC12 No connection

J3 2 J2 2 N/C PTA13 No connection

J3 3 J2 3 N/C PTC13 No connection

J3 4 J2 4 N/C PTD5 No connection

J3 5 J2 5 N/C PTC16 No connection

J3 6 J2 6 N/C PTD0 No connection

J3 7 J2 7 N/C PTC17 No connection

J3 8 J2 8 N/C PTD2 No connection

J3 9 J2 9 N/C PTA16 No connection

J3 10 J2 10 N/C PTD3 No connection

J3 11 J2 11 N/C PTA17 No connection

J3 12 J2 12 N/C PTD1 No connection

J3 13 J2 13 N/C PTE31 No connection

J3 14 J2 14 N/C GND No connection

J3 15 J2 15 N/C N/C No connection

J3 16 J2 16 N/C VREFH No connection

J3 17 J2 17 N/C PTD6 No connection

J3 18 J2 18 N/C PTE0 No connection

J3 19 J2 19 N/C PTD7 No connection

J3 20 J2 20 N/C PTE1 No connection

J4 1 J10 1 N/C PTE20 No connection

J4 2 J10 2 N/C PTB0 No connection

J4 3 J10 3 N/C PTE21 No connection

J4 4 J10 4 N/C PTB1 No connection

J4 5 J10 5 N/C PTE22 No connection

J4 6 J10 6 N/C PTB2 No connection

J4 7 J10 7 N/C PTE23 No connection

J4 8 J10 8 N/C PTB3 No connection

J4 9 J10 9 N/C PTE29 No connection

J4 10 J10 10 ANLIN PTC2 Not used

J4 11 J10 11 N/C PTE30 No connection

J4 12 J10 12 N/C PTC1 No connection

Table 8: FRDM-17C724-EVB to FRDM-KL25Z Connections (continued)

FRDM-17C724-EVB FRDM-KL25Z PIn Hardware Name

Description

Header Pin Header Pin FRDM-17C724-EVB FRDM-KL25Z

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