NXP Semiconductors Freescale semiconductor CSM12D Manuel utilisateur

Freescale Semiconductor SLKS12DT256UG

UserGuide Rev. 1, 9/2007

_______________________________________________________________________

APPLICATION MODULE STUDENT LEARNING

KIT FEATURING FREESCALE MC9S12DT256

For use with the following part numbers:

CSM12D with MC9S12DT256 chipset

APS12DT256SLK

PBS12DT256SLK

CONTENTS

CAUTIONARY NOTES ..............................................................................................................4

TERMINOLOGY.........................................................................................................................4

FEATURES................................................................................................................................5

REFERENCES...........................................................................................................................5

REFERENCES...........................................................................................................................6

GETTING STARTED..................................................................................................................7

OPERATING MODES................................................................................................................7

RUN MODE........................................................................................................................... 7

DEBUG MODE......................................................................................................................8

DEVELOPMENT SUPPORT......................................................................................................9

SOFTWARE DEVELOPMENT.............................................................................................. 9

MEMORY MAP......................................................................................................................9

BDM_PORT HEADER......................................................................................................... 10

EXPANDED MODE OPERATION....................................................................................... 10

MODE.............................................................................................................................. 10

POWER....................................................................................................................................10

POWER SELECT................................................................................................................ 11

PWR_SEL....................................................................................................................... 11

RESET SWITCH ......................................................................................................................11

LOW VOLTAGE RESET..........................................................................................................12

TIMING.....................................................................................................................................12

COMMUNICATIONS................................................................................................................12

RS-232 ................................................................................................................................ 12

COM CONNECTOR........................................................................................................ 13

MSCAN................................................................................................................................ 14

VRH/VRL..................................................................................................................................14

USER I/O..................................................................................................................................15

SWITCHES.......................................................................................................................... 15

LED’S .................................................................................................................................. 15

POT..................................................................................................................................... 15

PHOTO-SENSOR ............................................................................................................... 15

SIGNALS............................................................................................................................. 16

ENABLES............................................................................................................................ 16

MCU I/O PORT.........................................................................................................................17

2 Freescale Semiconductor

TABLE OF FIGURES

Figure 1: BDM_PORT...............................................................................................................10

Figure 2: MODE Option Header ...............................................................................................10

Figure 3: PWR_SEL Option Header.........................................................................................11

Figure 4: COM_EN Header ......................................................................................................13

Figure 5: COM Connector.........................................................................................................13

Figure 6. CAN_PORT Connector ............................................................................................14

Figure 7: Connector J1.............................................................................................................17

TABLE OF TABLES

Table 1: DT256 Memory Map.....................................................................................................9

Table 2: COM Connections ......................................................................................................12

Table 3: ATD Reference Voltage..............................................................................................14

Table 4: User I/O......................................................................................................................16

Table 5: USER Option Header .................................................................................................16

Revision History

Date Rev Comments

September 1, 2006 0 Initial Release

September 17, 2007 1 Doc ID Changed from SLK0102UG; Updated

Reference Materials

Freescale Semiconductor 3

CAUTIONARY NOTES

1) Electrostatic Discharge (ESD) prevention measures should be used when handling this

product. ESD damage is not a warranty repair item.

2) Axiom Manufacturing does not assume any liability arising out of the application or use of

any product or circuit described herein; neither does it convey any license under patent

rights or the rights of others.

3) EMC Information on the APS12DT256SLK board:

a) This product as shipped from the factory with associated power supplies and cables, has

been verified to meet with requirements of CE and the FCC as a CLASS B product.

b) This product is designed and intended for use as a development platform for hardware or

software in an educational or professional laboratory.

c) In a domestic environment, this product may cause radio interference in which case the

user may be required to take adequate prevention measures.

d) Attaching additional wiring to this product or modifying the products operation from the

factory default as shipped may effect its performance and cause interference with nearby

electronic equipment. If such interference is detected, suitable mitigating measures should

be taken.

TERMINOLOGY

This development module uses option select jumpers to configure default board operation.

Terminology for application of the option jumpers is as follows:

Jumper – a plastic shunt that connects 2 terminals electrically

Jumper on, in, or installed - jumper is installed such that 2 pins are connected together

Jumper off, out, or idle - jumper is installed on 1 pin only. It is recommended that

jumpers be idled by installing on 1 pin so they will not be lost.

4 Freescale Semiconductor

Freescale Semiconductor 5

FEATURES

The APS12DT256SLK is an educational development module supporting the Freescale

MC9S12DT256 microcontroller (MCU). Application module SLK’s include components for out-

of-box operation and are preprogrammed with a serial monitor to make application

development quick and easy. A background DEBUG port is provided for development tool use

and is compatible with HCS12 BDM interface cables and software. The 60-pin connector

allows the APS12DT256SLK module to be connected to an expanded evaluation environment

such as the Microcontroller Project Board Student Learning Kit (PBMCUSLK) or user’s custom

PCB.

•Optional power Input/Output from ConnectorJ1

Features: •User Components Provided

•1 DIP Switch, 4-pos

•MC9S12DT256 MCU, 80 LQFP •3 Push Button Switches: 2 User, RESET

•256 KB Flash EEPROM •5 LED Indicators: 4 User, +5V

•4KB EEPROM •Jumpers

•12 KB RAM •USER_EN

•SAE J1850 Byte Data Link Controller •PWR_SEL

•8-ch, 10-bit, ATD w/ external trigger •COM_EN

•8-bit Enhanced Capture Timer with IC, OC,

and Pulse Accumulate capabilities •Connectors

•60-pos pin-header providing access to MCU

IO signals

•7-ch, 8-bit PWM

•9 KBI inputs •2.0mm barrel connector power input

•56 GPIO •6-pin BDM interface connector

•3 CAN Channels •3-pos CAN interface connector

•CAN 2.0 A/B PHY w/ 3-pos header •DB9 connector

•2 SCI & 2 SPI Channels •Supplied with DB9 Serial Cable, Power Supply,

Documentation (CD), and Manual

•1 IIC Channel

•RS-232 transceiver w/ DB9 connector

•4 MHz Clock Oscillator Specifications:

•Low Voltage Reset Supervisor Module Size 3.5” x 2.5”

•Power Input Selection Header Power Input: +9V typical, +6V to +20V

•On-board 5V regulator

REFERENCES

The latest product information, updates and reference documents can be found at

www.freescale.com and/or www.axman.com

SLKS12DT256UG.pdf APS12DT256SLK User Guide (this document)

APS12DT256SLKSCHEM.pdf APS12DT256SLK Schematic

9S12DT256_ZIP.zip MC9S12DT256 Device User Guide

APS12DT256PG.pdf Quick Start Guide for stand alone module operation

APS12DT256_DEMO.zip CodeWarrior Project to support APS12DT256PG

The following reference documents are available online for using the application module in

conjunction with the Freescale Microcontroller Project Board Student Learning Kit:

PBS12DT256PG.pdf Quick Start Guide for module use with Microcontroller

Project Board (PBMCUSLK)

PBS12DT256_DEMO.zip CodeWarrior Project to support PBS12DT256PG

Visit www.freescale.com\universityprogram for current product information, reference materials

and updates.

6 Freescale Semiconductor

GETTING STARTED

Please refer to the APS12DT256SLK Quick Start Users Guide to quickly setup the stand-alone

application module or PBS12DT256SLK Quick Start Users Guide to get started with the

microcontroller project board (PBMCUSLK).

OPERATING MODES

The APS12DT256SLK board operates in two operating modes: Run Mode, or Debug Mode.

Run Mode allows user application code to execute from Power-On or Reset. Debug Mode

supports the development and debug of application code. See the related sections below for

quickly starting the board in the desired operation mode.

RUN MODE

Run mode allows user application to execute when power is applied to the board. Use the

following settings to configure the APS12DT256SLK board for RUN Mode to get started

quickly.

1. Connect a COM port serial communication cable between board and host PC if needed for

the application. Launch supporting host communication software as needed.

2. Connect auxiliary equipment to board as required by application.

3. Apply power to the board.

4. The programmed application should begin to execute.

Freescale Semiconductor 7

DEBUG MODE

Debug Mode supports application development and debug. Debug mode is available to the

user through the factory loaded serial monitor, integrated USB-BDM on the PBMCUSLK or an

external HC(S)12 BDM cable. Refer to the PBMCUSLK User Guide for details on using the

integrated USB-BDM.

The steps below describe the steps to put a device in debug mode using the serial cable OR

BDM options.

1. Install and launch the latest CodeWarrior Development Studio.

2. Configure Application specific components. Set jumpers, connect auxiliary equipment to

the module, connect COM port, and launch supporting host communication software, as

needed by the application.

A DB9 serial communications (COM) cable supports the use of serial programming. The steps

below describe using a serial DB9 cable with CodeWarrior for programming and debug.

i. Power-On the device.

ii. Connect COM port serial communication cable between application module and host

PC.

iii. Press and hold simultaneously SW1 and RESET push buttons.

iv. Continue holding SW1 while releasing RESET. Wait 3 seconds, and then release

SW1. The serial monitor is now waiting for the development software to establish

DEBUG communication.

v. Verify that your CodeWarrior debug target is HCS12Serial Monitor.

A 6-pin BDM interface header (BDM_PORT) supports the use of an external HC(S)12 BDM

cable. The steps below describe using an external HC(S)12 BDM cable to access DEBUG

mode.

i. Connect the HC(S)12 BDM cable to the BDM_PORT header.

ii. Connect the supplied USB cable between an available USB port on the host PC and

the USB connector on the board.

iii. Verify that your CodeWarrior debug target is “P&E MultiLink/Cyclone” (or as required

by your hardware selection).

3. Compile project and execute debugger in CodeWarrior. The development software will

establish the DEBUG communication.

NOTE

Upon hardware RESET, the device will default to RUN mode. You will need to do parts of the

above steps to get the hardware back in to DEBUG mode.

8 Freescale Semiconductor

DEVELOPMENT SUPPORT

SOFTWARE DEVELOPMENT

Software development will require the use of an HC(S)12 assembler or compiler and a host PC

operating a debug interface. Supplied with this board is the CodeWarrior Development Studio

along with the Axiom IDE for Windows for debugging and flash programming.

MEMORY MAP

The APS12DT256SLK is designed to support the MC9S12D family of MCU’s specifically the

MC9S12DT256. This section shows the default memory map for both MCU’s immediately out

of reset. Refer to the Device User Guide for the specific MCU installed for further details.

Table 1: DT256 Memory Map

0x0000 –

0x03FF Registers 1K

bytes Mappable to any 2K block in the

first 32K

0x0400 –

0x0FFF EEPROM 4K

bytes Mappable to any 4K block. Bottom

1K used by Registers out of reset

0x1000 –

0x3FFF RAM 12K

bytes Mappable to any 16K block and

alignable top or bottom

0x4000 –

0x7FFF Fixed FLASH 16K

bytes Dependant on state of ROMHM bit

0x8000 –

0xBFFF Paged FLASH 256K

bytes 16 – 16K pages

0xC000 –

0xFEFF Fixed Flash 16K

bytes

0xFF00 –

0xFFFF Vectors 256

bytes BDM if active

NOTE: The bottom 1K of EEPROM is covered by Registers out of reset.

Freescale Semiconductor 9

BDM_PORT HEADER

A 6-pin BDM port header allows connection of a HC(S)12 compatible BDM cable for

application development. Refer to the BDM cable documentation for details on use of the

BDM cable with this module.

Figure 1: BDM_PORT

MODC/BKGD 1 2 GND

3 4 RESET*

5 6 VDD

See the HC12 Reference Manual for

complete DEBUG documentation

EXPANDED MODE OPERATION

For the APS12DT256SLK module, expanded mode operation is supported and available to the

user. All signals necessary to implement the multiplexed bus are available at connector J1.

The MODE option header is used to configure the module for expanded bus mode operation.

Refer to the 9S12DT256 Device User Guide for details on implementing the expanded bus.

MODE

By default, the MC9S12DT256 MCU’s are configured for single-chip operation. The MODE

option header allows the user to configure the board for expanded bus operation. In default

configuration, this header is not installed in default configurations.

Figure 2: MODE Option Header

MODB 3 4 Shunt pulls MODB input high

MODA 1 2 Shunt pulls MODA input high

MODE

NOTE: Expanded bus mode operation is supported only when a 9S12DT256 MCU is installed

on the MCU.

POWER

The APS12DT256SLK is designed to be used with and powered from the PBMCUSLK. The

APS12DT256SLK will source power from the PBMCUSLK through connector J1. The module

may also be used as a stand-alone platform. As a stand-alone platform, the module may be

powered through the 2.1mm barrel connector and on-board regulator or through connector J1.

The module may also be configured to provide power to external circuitry connected to J1.

When powering external circuitry, do not exceed the maximum output current limit of the on-

board regulator.

10 Freescale Semiconductor

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