Silicon Laboratories C8051F00 DK Series Manuale utente

C8051F00x/01x-DK

C8051F00X/01XDEVELOPMENT KIT USER’SGUIDE

1. Kit Contents

The C8051F00x/01x Development Kit contains the following items:

• C8051F005 Target Board

• C8051Fxxx Development Kit Quick-Start Guide

• Silicon Laboratories IDE and Product Information CD-ROM. CD content includes:

• Silicon Laboratories Integrated Development Environment (IDE)

• Keil Software 8051 Development Tools (macro assembler, linker, evaluation ‘C’ compiler)

• Source code examples and register definition files

• Documentation

• C8051F00x/01x Development Kit User’s Guide (this document)

• AC to DC Power Adapter

• USB Debug Adapter (USB to Debug Interface)

• USB Cable

2. Hardware Setup using a USB Debug Adapter

The target board is connected to a PC running the Silicon Laboratories IDE via the USB Debug Adapter as shown

in Figure 1.

1. Connect the USB Debug Adapter to the JTAG connector on the target board with the 10-pin ribbon cable.

2. Connect one end of the USB cable to the USB connector on the USB Debug Adapter.

3. Connect the other end of the USB cable to a USB Port on the PC.

4. Connect the ac/dc power adapter to power jack P1 on the target board.

Notes:

•UsetheReset button in the IDE to reset the target when connected using a USB Debug Adapter.

• Remove power from the target board and the USB Debug Adapter before connecting or disconnecting the

ribbon cable from the target board. Connecting or disconnecting the cable when the devices have power can

damage the device and/or the USB Debug Adapter.

Figure 1. Hardware Setup using a USB Debug Adapter

USB

Cable

USB Debug Adapter

AC/DC

Adapter

Target Board

SILICON LABORATORIES

PWR

P1.6

P3.7RESET

Port 4Port 3Port 1

Port 2 Port 0

MCU

Silicon Laboratories

USB DEBUG ADAPTER

Run

StopPower

C8051F00x/01x-DK

2 Rev. 0.6

3. Software Setup

The included CD-ROM contains the Silicon Laboratories Integrated Development Environment (IDE), Keil software

8051 tools and additional documentation. Insert the CD-ROM into your PC’s CD-ROM drive. An installer will auto-

matically launch, allowing you to install the IDE software or read documentation by clicking buttons on the Installa-

tion Panel. If the installer does not automatically start when you insert the CD-ROM, run autorun.exe found in the

root directory of the CD-ROM. Refer to the readme.txt file on the CD-ROM for the latest information regarding

known IDE problems and restrictions.

4. Silicon Laboratories Integrated Development Environment

The Silicon Laboratories IDE integrates a source-code editor, source-level debugger and in-system Flash program-

mer. The use of third-party compilers and assemblers is also supported. This development kit includes the Keil

Software A51 macro assembler, BL51 linker and evaluation version C51 ‘C’ compiler. These tools can be used

from within the Silicon Laboratories IDE.

4.1. System Requirements

The Silicon Laboratories IDE requirements:

• Pentium-class host PC running Microsoft Windows 98SE or later.

• One available COM or USB port.

• 64 MB RAM and 40 MB free HD space recommended.

4.2. Assembler and Linker

A full-version Keil A51 macro assembler and BL51 banking linker are included with the development kit and are

installed during IDE installation. The complete assembler and linker reference manual can be found under the Help

menu in the IDE or in the “SiLabs\MCU\hlp” directory (A51.pdf).

4.3. Evaluation C51 ‘C’ Compiler

An evaluation version of the Keil C51 ‘C’ compiler is included with the development kit and is installed during IDE

installation. The evaluation version of the C51 compiler is the same as the full professional version except code

size is limited to 4 kB and the floating point library is not included. The C51 compiler reference manual can be

found under the Help menu in the IDE or in the “SiLabs\MCU\hlp” directory (C51.pdf).

4.4. Using the Keil Software 8051 Tools with the Silicon Laboratories IDE

To perform source-level debugging with the IDE, you must configure the Keil 8051 tools to generate an absolute

object file in the OMF-51 format with object extensions and debug records enabled. You may build the OMF-51

absolute object file by calling the Keil 8051 tools at the command line (e.g. batch file or make file) or by using the

project manager built into the IDE. The default configuration when using the Silicon Laboratories IDE project

manager enables object extension and debug record generation.

Refer to Applications Note

AN104 -

Integrating

Keil 8051 Tools Into the Silicon Labs IDE

in the “SiLabs\MCU\Documentation\Appnotes” directory on the CD-

ROM for additional information on using the Keil 8051 tools with the Silicon Laboratories IDE.

To build an absolute object file using the Silicon Laboratories IDE project manager, you must first create a project. A

project consists of a set of files, IDE configuration, debug views, and a target build configuration (list of files and tool

configurations used as input to the assembler, compiler, and linker when building an output object file).

The following sections illustrate the steps necessary to manually create a project with one or more source files, build

a program and download the program to the target in preparation for debugging. (The IDE will automatically create a

single-file project using the currently open and active source file if you select

Build/Make Project

before a project is

defined.)

C8051F00x/01x-DK

Rev. 0.6 3

4.4.1. Creating a New Project

1. Select ProjectNew Project to open a new project and reset all configuration settings to default.

2. Select FileNew File to open an editor window. Create your source file(s) and save the file(s) with a rec-

ognized extension, such as .c, .h, or .asm, to enable color syntax highlighting.

3. Right-click on “New Project” in the Project Window. Select Add files to project. Select files in the file

browser and click Open. Continue adding files until all project files have been added.

4. For each of the files in the

Project

Window

that you want assembled, compiled and linked into the target

build, right-click on the file name and select

Add file to build

. Each file will be assembled or compiled as

appropriate (based on file extension) and linked into the build of the absolute object file.

Note:

If a project contains a large number of files, the “Group” feature of the IDE can be used to organize.

Right-click on “New Project” in the

Project Window

. Select

Add Groups to project

. Add pre-defined

groups or add customized groups. Right-click onthe group name and choose

Add file to group

. Select files

to be added. Continue adding files until all project files have been added.

4.4.2. Building and Downloading the Program for Debugging

1. Once all source files have been added to the target build, build the project by clicking on the Build/Make

Project button in the toolbar or selecting ProjectBuild/Make Project from the menu.

Note: After the project has been built the first time, the Build/Make Project command will only build the

files that have been changed since the previous build. To rebuild all files and project dependencies, click

on the Rebuild All button in the toolbar or select ProjectRebuild All from the menu.

Before connecting to the target device, several connection options may need to be set.

Open the

Connection Options

window by selecting

Options



Connection Options...

in the IDE menu. First, select

the appropriate adapter in the “Serial Adapter” section. Next, the correct “Debug Interface” must be selected.

C8051F00x/01x

family devices use the JTAG debug interface. Once all the selections are made, click the OK

button to close the window.

3. Click the

Connect

button in the toolbar or select

Debug



Connect

from the menu to connect to the device.

4. Download the project to the target by clicking the Download Code button in the toolbar.

Note: To enable automatic downloading if the program build is successful select Enable automatic con-

nect/download after build in the ProjectTarget Build Configuration dialog. If errors occur during the

build process, the IDE will not attempt the download.

5. Save the project when finished with the debug session to preserve the current target build configuration,

editor settings and the location of all open debug views. To save the project, select Project->Save Project

As... from the menu. Create a new name for the project and click on Save.

C8051F00x/01x-DK

4 Rev. 0.6

5. Example Source Code

Example source code and register definition files are provided in the “SiLabs\MCU\Examples\

C8051F0xx

” directory

during IDE installation. These files may be used as a template for code development. Example applications include

a blinking LED example which configures the green LED on the target board to blink at a fixed rate.

5.1. Register Definition Files

control/status bits for the C8051F00x/01x device family. They are installed into the

“SiLabs\MCU\Examples\C8051F0xx” directory during IDE installation. The register and bit names are identical to

those used in the C8051F00x/01x data sheet. Both register definition files are also installed in the default search

path used by the Keil Software 8051 tools. Therefore, when using the Keil 8051 tools included with the

development kit (A51, C51), it is not necessary to copy a register definition file to each project’s file directory.

5.2. Blinking LED Example

The example source files blink.asm and blinky.c show examples of several basic C8051F00x/01x functions. These

include; disabling the watchdog timer (WDT), configuring the Port I/O crossbar, configuring a timer for an interrupt

routine, initializing the system clock, and configuring a GPIO port. When compiled/assembled and linked this pro-

gram flashes the green LED on the target board about five times a second using the interrupt handler with a timer.

C8051F00x/01x-DK

Rev. 0.6 5

6. Target Board

The C8051F00x/01x Development Kit includes a target board with a C8051F005 device pre-installed for evaluation

and preliminary software development. Numerous input/output (I/O) connections are provided to facilitate prototyp-

ing using the target board. Refer to

Figure 2

for the locations of the various I/O connectors.

P1 Power connector (accepts input from 7 to 15 VDC unregulated power adapter)

J1 Connects SW2 to port pin P1.7

J2 64-pin I/O connector providing access to all I/O signals

J3 Connects LED D3 to port pin P1.6

J4 JTAG connector for Debug Adapter interface

J6 Analog I/O configuration connector

X1 Analog I/O terminal block

Figure 2. C8051F005 Target Board

Proto AreaProto Area

Pin 1

Prototyping Area I/O Connection Points

Pin 2

P1.7 RESET

PWRP1.6

Pin 1

JTAG

C8051F005

Pin 1

Pin 2

C8051F00x/01x-DK

6 Rev. 0.6

6.1. System Clock Sources

The C8051F005 device installed on the target board features a internal oscillator which is enabled as the system

clock source on reset. After reset, the internal oscillator operates at a frequency of 2 MHz (±2%) by default but may

be configured by software to operate at other frequencies. Therefore, in many applications an external oscillator is

not required. However, an external crystal may be installed on the target board for additional applications. The tar-

get board is designed to facilitate the installation of an external crystal at the pads marked Q1. Refer to the

C8051F005 datasheet for more information on configuring the system clock source. Following are a few part num-

bers of suitable crystals:

Freq (MHz) Digikey P/N ECS P/N

18.432 X146-ND ECS-184-20-1 (20 pF loading capacitance)

11.0592 X089-ND ECS-110.5-20-1 (20 pF loading capacitance)

6.2. Switches and LEDs

Two switches are provided on the target board. Switch SW1 is connected to the RESET pin of the C8051F005

device on the target board. Pressing SW1 puts the device into its hardware-reset state. The device will leave the

reset state after SW1 is released. Switch SW2 is connected to the device’s general purpose I/O (GPIO) pin through

headers. Pressing SW2 generates a logic low signal on the port pin. Remove the shorting block from the header to

disconnect SW2 from the port pins. The port pin signal is also routed to a pin on the J2 I/O connector. See Table 1

for the port pins and headers corresponding to each switch.

Two LEDs are also provided on the target board. The red LED labeled PWR is used to indicate a power connection

to the target board. The green LED labeled with a port pin name is connected to the device’s GPIO pin through a

header. Remove the shorting block from the header to disconnect the LED from the port pin. The port pin signal is

also routed to a pin on the J2 I/O connector. See Table 1 for the port pins and headers corresponding to each LED.

6.3. Target Board JTAG Interface (J4)

The

JTAG

connector (J4) provides access to the

JTAG

pins of the C8051F005. It is used to connect the Serial

Adapter or the USB Debug Adapter to the target board for in-circuit debugging and Flash programming. Table 2

shows the

JTAG

pin definitions.

Table 1. Target Board I/O Descriptions

Description I/O Header

SW1 Reset none

SW2 P3.7 J1

Green LED P1.6 J3

Red LED PWR none

Table 2. JTAG Connector Pin Descriptions

Pin # Description

1 +3VD(+3.3VDC)

2, 3, 9 GND (Ground)

4TCK

5TMS

6TDO

7TDI

8, 10 Not Connected

C8051F00x/01x-DK

Rev. 0.6 7

6.4. Analog I/O (J6, Terminal Block)

An Analog I/O Configuration connector (J6) provides the ability to route analog I/O signals from the C8051F005

device to a terminal block by installing two shorting blocks on J6. It also allows the DAC outputs to be connected to

Comparator 0 inputs or to two ADC inputs. Analog signals may be routed to the AIO 0 and AI01 posts of the termi-

nal block by installing a shorting block between two adjacent pins on J6. Refer to Figure 3 to determine the shorting

block installation positions required to connect the desired analog signal to the terminal block. Refer to Table 3 for

terminal block connections and Table 4 for J6 pin definitions.

Figure 3. J6 Analog I/O Configuration Connector

Table 3. Terminal Block Pin Descriptions

Pin # Description

1AIO1

2AIO0

7 AGND (Analog Ground)

8VREF

Table 4. J6 Connector Pin Descriptions

Pin # Description

1CP0+

2CP0-

3, 9, 15 AIO1

4, 10, 16 AIO0

5DAC0

6DAC1

7AIN0

8AIN1

11 AIN2

12 AIN3

13 AIN4

14 AIN5

17 AIN6

18 AIN7

CP0-

DAC0

AIN0

AIN2

AIN4

AIN6

Pin 1

Pin 2

AIO1

AIO0

GNDA

Vref

CP0+

DAC1

AIN1

AIN3

AIN5

AIN7

C8051F00x/01x-DK

8 Rev. 0.6

6.5. Expansion I/O Connector (J2)

The

-pin expansion I/O connector J1 provides access to most signal pins of the

C8051F005

device on the target

board. A small through-hole prototyping area is also provided. All I/O signals routed to connector J2 are also routed to

through-hole connection points between J2 and the prototyping area (see

Figure 4 on page 9

The signal layout pat-

tern of these connection points is identical to the adjacent J2 connector pins

. See Table 5 for a list of pin descrip-

tions for J2

Table 5: J2 Pin Descriptions

Pin Description Pin Description

1 +VD (digital voltage supply) 28 P3.7

2XTAL1 29P3.4

3 P1.6 30 P3.5

4 P1.7 31 P3.2

5 P1.4 32 P3.3

6 P1.5 33 P3.0

7 P1.2 34 P3.1

8P1.3 36/RST

9 P1.0 39,41,42 GND (digital ground)

10 P1.1 45,47,63 GNDA (analog ground)

11 P0.6 46,64 +VA (analog voltage supply)

12 P0.7 48 DAC0

13 P0.4 49 CP1-

14 P0.5 50 DAC1

15 P0.2 51 CP1+

16 P0.3 52 CP0-

17 P0.0 53 VREF

18 P0.1 54 CP0+

19 P2.6 55 AIN0

20 P2.7 56 AIN1

21 P2.4 57 AIN2

22 P2.5 58 AIN3

23 P2.2 59 AIN4

24 P2.3 60 AIN5

25 P2.0 61 AIN6

26 P2.1 62 AIN7

27 P3.6

C8051F00x/01x-DK

Rev. 0.6 9

7. Schematic

Figure 4. C8051F005 Target Board Schematic

C8051F00x/01x-DK

10 Rev. 0.6

DOCUMENT CHANGE LIST

Revision 0.4 to Revision 0.5

Section 1, added USB Debug Adapter and USB Cable.

Section 2, changed name from "Hardware Setup" to "Hardware Setup using an EC2 Serial Adapter".

Section 2, added 2 Notes bullets.

Section 2, removed Note from bottom of page.

Added Section 3, "Hardware Setup using a USB Debug Adapter".

Section 5.4.2, changed step 2 to include new instructions.

Section 7, J4, changed "Serial Adapter" to "Debug Adapter".

Target Board DEBUG Interface Section, added USB Debug Adapter.

DEBUG Connector Pin Descriptions Table, changed pin 4 to C2D.

Changed "jumper" to "header".

EC2 Serial Adapter section, added EC2 to the section title, table title and figure title.

EC2 Serial Adapter section, changed "JTAG" to "DEBUG".

Added "USB Debug Adapter" section.

Revision 0.5 to Revision 0.6

Removed EC2 Serial Adapter from Kit Contents.

Removed Section 2. Hardware Setup using an EC2 Serial Adapter. See RS232 Serial Adapter (EC2) User's

Guide.

Removed Section 8. EC2 Serial Adapter. See RS232 Serial Adapter (EC2) User's Guide.

Removed Section 9. USB Debug Adapter. See USB Debug Adapter User's Guide.

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