Freescale Semiconductor KIT33882EKEVB Manuale utente

Freescale Semiconductor

User’s Guide Document Number: KT33882UG

Rev. 1.0, 12/2014

KIT33882EKEVB Evaluation Board

Figure 1. KIT33882EKEVB

KT33882UG, Rev. 1.0

2Freescale Semiconductor, Inc.

Table of Contents

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

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

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

4 Freedom Development Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5 Installing the Software and Setting up the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7 Silkscreens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

8 Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

9 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

KT33882UG, 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 EVB 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. This EVB is not a

Reference Design and is not intended to represent a final design recommendation for any particular

application. 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.

KT33882UG, Rev. 1.0

4Freescale Semiconductor, Inc.

Getting Started

2 Getting Started

2.1 Kit Contents/Packing List

The KIT33882EKEVB contents include:

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

• Quick Start Guide, Analog Tools

• One 20-pin ribbon cable

• 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

powersolutionsincluding monolithic ICs usingprovenhigh-volume SMARTMOSmixedsignaltechnology, and system-in-packagedevices

utilizing power, SMARTMOSandMCUdies. Freescale productsenablelonger batterylife,smaller form factor, componentcountreduction,

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 in the bundle. 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:

• Power supply

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

• Digital multimeter

• FRDM-KL25Z Development Platform

• Typical loads (solenoid valves and brushed DC motors up to 1 A each)

2.4 System Requirements

The kit requires the following to function properly with the software:

• USB-enabled PC with Windows® XP or higher

KT33882UG, Rev. 1.0

Freescale Semiconductor 5

Getting to Know the Hardware

3 Getting to Know the Hardware

3.1 Board Overview

The KIT33882EKEVB evaluation board is an easy-to-use circuit board that allows the user to exercise all the functions of the MC33882

Smart Six Output Switch (0.3 Ohm RDS(on)) with SPI and Parallel Input Control.

There are two ways to communicate with the evaluation board:

1. A PC communicates with the evaluation board through a FRDM SPI Dongle (FSD), connected to the PC's USB port, or

2. the microcontroller on the FRDM-KL25Z communicates with the evaluation board via microcontroller code.

The Freescale SPIGen 7.0.1 or higher program provides the user interface to the MC33882 SPI port and allows the user to send

commands to the IC and receive statuses from the IC.

The Freescale CodeWarrior IDE allows the user to program the FRDM-KL25Z board with microcontroller code to send commands to the

IC and receive statuses from the IC.

3.2 Board Features

This evaluation kit features the MC33882 Smart Six Output Switch (0.3 Ohm RDS(on)) with SPI and Parallel Input Control, which is a Smart

Six Output Low-side Switch able to control system loads up to 1.0 A. The six outputs can be controlled via both serial peripheral interface

(SPI) and parallel input control, making the device attractive for fault tolerant system applications. There are two additional 30 mA low-side

switches with SPI diagnostic reporting (parallel input control only).

The PCB contains a board to FRDM-KL25Z connector, which allows the FRDM-KL25Z to act as either a FSD or simply as an access to

the KL25Z microcontroller. The board's main features are as follows:

• Output terminals for loads

• Test points for various inputs, outputs, and SPI signals

• FSD connector

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), 80 LQFP

• 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.

KT33882UG, Rev. 1.0

6Freescale Semiconductor, Inc.

Getting to Know the Hardware

3.4 Block Diagram

This evaluation board consists of an MC33882 Smart Six Output Switch (0.3 Ohm RDS(on))with SPI and Parallel Input Control. The high

level system block diagram (Figure 2) outlines the way Freescale standard products are used to implement a low-side switch.

Figure 2. Block Diagram

3.4.1 Device Features

This evaluation board features the following Freescale product:

Table 1. MC33882 Device Features

Device Description Features

MC33882 Smart Six Output Low-side Switch • Outputs clamped for switching inductive loads

• Very low operational bias currents (< 2.0 mA)

• CMOS input logic compatible with 5.0 V logic levels

• Robust load dump (60 V transient at VPWR on OUT0 - OUT5)

• Daisy chain operation of multiple devices possible

• Switch outputs can be paralleled for higher currents

•R

DS(on) of 0.4 Ohm per output (25 °C) at 13 V VPWR

• SPI operation guaranteed to 2.0 MHz

KT33882UG, Rev. 1.0

Freescale Semiconductor 7

Getting to Know the Hardware

3.5 Board Description

The analog part consists of the MC33882 chip controlling external loads. The digital part consists of the KL25Z controlling the MC33882

by SPI and I/Os.

This evaluation board is meant to demonstrate how the MC33882 can control eight low-side switches.

Power is provided to the board via a VPWR/GND screw terminal (J1). Power can be disconnected from the board via an onboard switch

(SW1). If power is ON, LED D3 will light up. The VDD input of the device can only accept 5.0 V. However, on-board level shifters are

provided to shift 3.3 V levels up to 5 V. Note the KL25Z FSD uses a 3.3 V microcontroller.

The evaluation board provides a 20-pin connector (J2) to be used with the FRDM board. The connector J2 on the FRDM board connects

to J2 on the evaluation board. The outputs of the switches are routed to independent 2-position screw terminals that have both one output

and VPWR available (J3 through J10).

The evaluation board also includes several test points. A 16-pin row of pins allows access to all incoming signals. These sixteen signals

are the following: MODE_B, IN4&IN5, IN2&IN3, IN0&IN1, CLK, MISO, MOSI, CS, IN0, IN1, IN2, IN3, IN4, IN5, IN6, and IN7. Eight loop

test points provide access to the OUT0 through OUT7 signals. Two ground test points (GND1 and GND2) are available, as are three power

test points (3V3, 5V, and VPWR).

Figure 3. Board Description

Table 2. Board Description

Name Description

Output Terminals • Provides connection points for loads

Dual IN Function Selection Jumpers • Allows the FSD to control one of two different signals (See Jumper Definitions on page 11

for more information)

FSD Connector • Allows a FSD to be connected to the evaluation board via a 20-pin ribbon cable

Test Points • Provides test points for various signals (See Test Point Definitions on page 8 for more in-

formation)

Power and Ground Inputs • Provides connection points for power and ground

Power and Ground Inputs

ON/OFF Switch

FSD Connector

Dual IN Function

Selection Jumpers

Test points

Output Terminals

MC33882

KT33882UG, Rev. 1.0

8Freescale Semiconductor, Inc.

Getting to Know the Hardware

3.6 LED Display

The following LED is provided as a visual output device for the KIT33882EKEVB evaluation board:

1. LED D3 indicates when VPWR is present

3.7 Test Point Definitions

The following test points provide access to signals on the MC33882 IC:

3.8 Input Signal Definitions

The MC33882 IC has twelve input signals that are used to control certain outputs or functions inside the circuit. These signals are:

ON/OFF Switch • Allows the board to be disconnected from power easily

MC33882 • Six output low-side switch with SPI and parallel input control

Table 3. Test Point Definitions

Schematic Label Name Description

J11/1 MODE_B Mode pin for device

J11/2 IN4&IN5 Dual output control for IN4 and IN5

J11/3 IN2&IN3 Dual output control for IN2 and IN3

J11/4 IN0&IN1 Dual output control for IN0 and IN1

J11/5 CLK SPI clock

J11/6 MISO SPI MISO (Master Input, Slave Output)

J11/7 MOSI SPI MOSI (Master Output, Slave Input)

J11/8 CS SPI chip select

J11/9 IN0 Parallel input control for IN0

J11/10 IN1 Parallel input control for IN1

J11/11 IN2 Parallel input control for IN2

J11/12 IN3 Parallel input control for IN3

J11/13 IN4 Parallel input control for IN4

J11/14 IN5 Parallel input control for IN5

J11/15 IN6 Parallel input control for IN6

J11/16 IN7 Parallel input control for IN7

TEST POINT VPWR VPWR

TEST POINT 3.3 V 3.3 V

TEST POINT 5.0 V 5.0 V

TEST POINT GND Ground

TEST POINT OUT0 OUT0

TEST POINT OUT1 OUT1

TEST POINT OUT2 OUT2

TEST POINT OUT3 OUT3

TEST POINT OUT4 OUT4

TEST POINT OUT5 OUT5

TEST POINT OUT6 OUT6

TEST POINT OUT7 OUT7

Table 4. Input Signal Definitions

Schematic Label Name Description

MODE_B MODE_B Mode pin for device

IN4&IN5 IN4&IN5 Dual output control for IN4 and IN5

IN2&IN3 IN2&IN3 Dual output control for IN2 and IN3

Table 2. Board Description (continued)

Name Description

KT33882UG, Rev. 1.0

Freescale Semiconductor 9

Getting to Know the Hardware

3.9 Output Signal Definitions

The MC33882 IC has eight output signals that are used to control various devices and outputs on the evaluation board. These signals are:

3.10 USB/SPI Dongle Connector

This is a 20-pin, 0.1" center, dual-row connector designed to interface directly to the FSD unit. The FRDM-KL25Z SPI dongle connector

consists of the following 20 pins (J2 on FRDM-KL25Z).

IN0&IN1 IN0&IN1 Dual output control for IN0 and IN1

IN0 IN0 Parallel input control for IN0

IN1 IN1 Parallel input control for IN1

IN2 IN2 Parallel input control for IN2

IN3 IN3 Parallel input control for IN3

IN4 IN4 Parallel input control for IN4

IN5 IN5 Parallel input control for IN5

IN6 IN6 Parallel input control for IN6

IN7 IN7 Parallel input control for IN7

Table 5. Output Signal Definitions

Schematic Label Name Description

OUT0 OUT0 Controls OUT0

OUT1 OUT1 Controls OUT1

OUT2 OUT2 Controls OUT2

OUT3 OUT3 Controls OUT3

OUT4 OUT4 Controls OUT4

OUT5 OUT5 Controls OUT5

OUT6 OUT6 Controls OUT6

OUT7 OUT7 Controls OUT7

Table 6: USB/SPI Dongle Pin Description

Pin Number FSD Name EVB Name Description

1 DATA0 DATA0 Connected to IN0 or IN4&IN5 via a jumper

2 SPI1-CSB <NC> <unused>

3 DATA1 DATA1 Connected to IN1

4 SPI1-CLK <NC> <unused>

5 DATA2 DATA2 Connected to IN2 or IN2&IN3 via a jumper

6 SPI0-CSB SPI0_CSB SPI signal - Chip Select Bar

7 DATA3 DATA3 Connected to IN3

8 SPI0-MOSI SPI0_MOSI SPI signal - Serial In

9 DATA4 DATA4 Connected to MODE_B

10 SPI0-MISO SPI0_MISO SPI signal, Serial Out

11 CTRL0 CNTL0 Connected to IN4 or IN0&IN1 via a jumper

12 SPI0-CLK SPI0_CLK SPI signal - Serial Clock

13 CTRL1 CNTL1 Connected to IN5

Table 4. Input Signal Definitions (continued)

Schematic Label Name Description

KT33882UG, Rev. 1.0

10 Freescale Semiconductor, Inc.

Getting to Know the Hardware

3.11 Screw Terminal Connections

The KIT33882EKEVB board features screw terminal connections to allow easy access to the MC33882 signals and supply rails. Figure 4

shows the board locations and names of the screw terminals.

Figure 4. Connector Designations

3.12 Input and Output Evaluation Connectors

There is one input connector which provides the following signals:

14 GND GROUND Signal Ground

15 <NC> <NC> NC

16 VREFH <NC> <unused>

17 SPI1-MISO <NC> <unused>

18 CTRL3 CNTL3 CNTL3 - connected to IN7

19 CTRL2 CNTL2 CNTL2 - connected to IN6

20 SPI1-MOSI <NC> <unused>

Table 7. Input Connectors

Pin Schematic Signal

1J1 VPWR

2GND

Table 6: USB/SPI Dongle Pin Description (continued)

Power and Ground Inputs

FSD Connector

Output Terminals

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