Silicon Laboratories TOOLSTICK C8051F850 User manual

TOOLSTICK850DC-UG

TOOLSTICK C8051F850 DAUGHTER CARD USER’SGUIDE

1. Handling Recommendations

To enable development, the ToolStick Base Adapter and daughter cards are distributed without any protective

plastics. To prevent damage to the devices and/or the host PC, consider the following recommendations when

using the ToolStick:

Never connect or disconnect a daughter card to or from the ToolStick Base Adapter while the Base Adapter

is connected to a PC.

Always connect and disconnect the ToolStick Base Adapter from the PC by holding the edges of the

boards.

Figure 1. Proper Method of Holding the ToolStick

Avoid directly touching any of the other components.

Figure 2. Improper Method of Holding the ToolStick

Manipulate mechanical devices on the daughter cards, such as potentiometers, with care to prevent the

Base Adapter or daughter card from accidentally dislodging from their sockets.

TOOLSTICK850DC-UG

2 Rev. 0.2

2. Contents

The C8051F850 ToolStick Daughter Card kit (TOOLSTICK850-B-DC) contains the following items:

ToolStick C8051F850 Daughter Card (TOOLSTICK850DC)

A ToolStick daughter card requires a ToolStick Base Adapter to communicate with the PC. ToolStick Base Adapters

can be purchased at www.silabs.com/toolstick.

The C8051F850 ToolStick Starter Kit (TOOLSTICK850-B-SK) contains the following items:

ToolStick C8051F850 Daughter Card (TOOLSTICK850DC)

ToolStick Base Adapter (TOOLSTICKBA)

USB extension cable

3. ToolStick Overview

The purpose of the ToolStick is to provide a development and demonstration platform for Silicon Labs

microcontrollers and to demonstrate the Silicon Labs Simplicity Studio software tools.

The ToolStick development platform consists of two components: the ToolStick Base Adapter and a daughter card.

The ToolStick Base Adapter provides a USB debug interface and data communications path between a Windows

PC and a target microcontroller.

The target microcontroller and application circuitry are located on the daughter card. Some daughter cards, such

as the C8051F850 Daughter Card, are used as general-purpose development platforms for the target

microcontrollers and some are used to demonstrate a specific feature or application.

The C8051F850 Daughter Card includes a pair of GPIO-controlled LEDs, a potentiometer, two switches connected

to GPIO, and a small prototyping area which provides access to all of the pins of the device. This prototyping area

can be used to connect additional hardware to the microcontroller and use the daughter card as a development

platform.

Figure 3 shows the ToolStick C8051F850 Daughter Card and identifies the various components.

Figure 3. ToolStick C8051F850 Daughter Card

Potentiometer

Push-Button

Switches

LEDs

Power LED

Current Measure

Jumper C8051F850 and

Port Access

TOOLSTICK850DC-UG

Rev. 0.2 3

4. Getting Started

The necessary software to download, debug, and communicate with the target microcontroller must be

downloaded from www.silabs.com/toolstick. The following software is necessary to build a project, download code

to, and communicate with the target microcontroller:

Simplicity Studio

Keil C51 Tools

ToolStick Development Tools

The software described above is provided in the Simplicity Studio and 8-bit microcontroller studio download

packages. The ToolStick Development Tools selection includes example code specifically for the ToolStick

daughter card, documentation including user’s guides and data sheets, and the ToolStick Terminal application.

After downloading and installing these packages, see the following sections for information regarding the software

and running one of the demo applications.

5. Software Overview

Simplicity Studio greatly reduces development time and complexity with Silicon Labs EFM32 and 8051 MCU

products by providing a high-powered IDE, tools for hardware configuration, and links to helpful resources, all in

one place.

Once Simplicity Studio is installed, the application itself can be used to install additional software and

documentation components to aid in the development and evaluation process.

Figure 4. Simplicity Studio

TOOLSTICK850DC-UG

4 Rev. 0.2

The following Simplicity Studio components are required for the C8051F850 ToolStick Starter Kit:

8051 Products Part Support

Simplicity Developer Platform

Download and install Simplicity Studio from www.silabs.com/8bit-software or www.silabs.com/simplicity-studio.

Once installed, run Simplicity Studio by selecting StartSilicon LabsSimplicity StudioSimplicity Studio

from the start menu or clicking the Simplicity Studio shortcut on the desktop. Follow the instructions to install the

software and click Simplicity IDE to launch the IDE.

The first time the project creation wizard runs, the Setup Environment wizard will guide the user through the

process of configuring the build tools and SDK selection.

In the Part Selection step of the wizard, select from the list of installed parts only the parts to use during

development. Choosing parts and families in this step affects the displayed or filtered parts in the later device

selection menus. Choose the C8051F85x family by checking the C8051F85x/86x check box. Modify the part

selection at any time by accessing the Part Management dialog from the WindowPreferencesSimplicity

StudioPart Management menu item.

Simplicity Studio can detect if certain toolchains are not activated. If the Licensing Helper is displayed after

completing the Setup Environment wizard, follow the instructions to activate the toolchain.

5.1. Running Blinky

Each project has its own source files, target configuration, SDK configuration, and build configurations such as the

Debug and Release build configurations. The IDE can be used to manage multiple projects in a collection called a

workspace. Workspace settings are applied globally to all projects within the workspace, and can include settings

such as key bindings, window preferences, and code style and formatting options. Project actions such as build

and debug are context sensitive. For example, the user must select a project in the Project Explorer view in order

to build that project.

To create a project based on the Blinky example:

1. Click the Simplicity IDE tile from the Simplicity Studio home screen.

2. Click the Create new project link from the welcome screen or go to FileNewSilicon Labs MCU

Project.

3. In the Kit drop-down, select C8051F850 ToolStick Starter Kit, in the Part drop-down, select C8051F850,

and in the SDK drop-down, select the desired SDK. Click Next.

4. Select Example and click Next.

5. Under C8051F850 ToolStick Starter Kit in the Blinky folder, select F85x-86x Blinky and click Finish.

6. Click on the project in the Project Explorer and click Build, the hammer icon in the top bar. Alternatively,

go to ProjectBuild Project.

7. Click Debug to download the project to the hardware and start a debug session.

8. Press the Resume button to start the code running. The LED should blink.

9. Press the Suspend button to stop the code.

10. Press the Reset the device button to reset the target MCU.

11. Press the Disconnect button to return to the development perspective.

TOOLSTICK850DC-UG

Rev. 0.2 5

5.2. Simplicity Studio Help

Simplicity Studio includes detailed help information and device documentation within the tool. The help contains

descriptions for each dialog window. To view the documentation for a dialog, click the question mark icon in the

window:

This will open a pane specific to the dialog with additional details.

The documentation within the tool can also be viewed by going to HelpHelp Contents or HelpSearch.

5.3. Simplicity Configurator

The Simplicity Configurator is a configuration and code generation tool. This utility helps accelerate development

by automatically generating initialization source code to configure and enable the on-chip resources needed by

most design projects. In just a few steps, the wizard creates complete startup code for a specific Silicon Labs MCU.

To create a new Simplicity Configurator project:

1. Click the Create new project link from the welcome screen or go to FileNewSilicon Labs MCU

Project.

2. In the Kit drop-down, select C8051F850 ToolStick Starter Kit or None, in the Part drop-down, select

C8051F850, and in the SDK drop-down, select the desired SDK. Click Next.

3. Select Simplicity Configurator Program and click Next.

4. Fill in the Project name and select the desired device. The C8051F850-C-GU-QSOP device is on the

C8051F850 ToolStick. Click Finish.

The Simplicity Configurator project displays properties for each peripheral. To configure a peripheral, click on the

DefaultMode Peripherals tab at the bottom and click on a peripheral. Checking the box for a peripheral will add it

to code generation. Once a peripheral is selected, configure the registers using the Properties view. Select a new

value for a property with either an input box or a drop-down menu and press Enter to set it.

Figure 5. Simplicity Configurator – Configuring Peripheral Properties

TOOLSTICK850DC-UG

6 Rev. 0.2

To configure pins, click on the DefaultMode Port I/O tab at the bottom of main window. Clicking on a pin brings up

a property window for the pin. Clicking anywhere else in the main window opens a property window for the

crossbar. Select multiple pins with Ctrl + left click or mouse dragging over the desired set of pins. The package

diagram displays the configured peripherals on the pins, including non-crossbar signals (i.e., ADC inputs).

Code generation updates every time the configuration project saves. After configuring the device, add any non-

initialization code, build, and debug the same as with any other project.

More information on Simplicity Configurator can be found in AN0823: Simplicity Configurator User’s Guide and

AN0821: Simplicity Studio C8051F85x Walkthrough. Application notes can be found on www.silabs.com/8bit-

appnotes.

Figure 6. Simplicity Configurator – Configuring Port I/O

TOOLSTICK850DC-UG

Rev. 0.2 7

5.4. Legacy 8-bit IDE

Note: Using the Simplicity Studio tools with the C8051F850 ToolStick is recommended. See "5. Software Overview‚" on page 3

for more information.

Download the 8-bit software from the website (www.silabs.com/8bit-software) to install the software tools for the

ToolStick-F850DC devices. After installation, examples can be found in ...\Examples\C8051F85x_86x in the

installation directory. At a minimum, the C8051F850 ToolStick requires:

Silicon Labs IDE—Software enabling initial evaluation, development, and debugging.

Keil C51 Tools—Keil 8051 Compiler/Assembler/Linker toolchain.

ToolStick Development Tools—Software and examples for the ToolStick development platform. More

information on this platform can be found at www.silabs.com/toolstick.

Other software available includes:

Keil µVision Driver—Driver for the Keil µVision IDE that enables development and debugging on

C8051Fxxx MCUs.

Flash Programming Utilities and MCU Production Programmer—Programming utilities for the

production line. More information on the available programming options can be found on the website:

www.silabs.com/products/mcu/Pages/ProgrammingOptions.aspx.

The development kit includes the latest version of the C51 Keil 8051 toolset. This toolset is initially limited to a code

size of 2 kB and programs start at code address 0x0800. After registration, the code size limit is removed entirely

and programs will start at code address 0x0000.

To register the Keil toolset:

1. Register on the Silicon Labs website (www.silabs.com/8bit-software) to obtain the serial number.

2. Open the Keil µVision4 IDE from the installation directory with administrative privileges.

3. Select FileLicense Management to open the License Management window.

Figure 7. Keil µVision4 IDE License Management Window

4. Click on the Get LIC via Internet... button to open the Obtaining a License IDE Code (LIC) window.

5. Press OK to open a browser window to the Keil website. If the window doesn’t open, navigate to

www.keil.com/license/install.htm.

6. Enter the Silicon Labs Product Serial Number, along with any additional required information.

7. Once the form is complete, click the Submit button. An email will be sent to the provided email address

with the license activation code.

TOOLSTICK850DC-UG

8 Rev. 0.2

8. Copy the License ID Code (LIC) from the email.

9. Paste the LIC into the New License ID Code (LIC) text box at the bottom of the License Management

window in µVision4.

10. Press the Add LIC button. The window should now list the PK51 Prof. Developers Kit for Silabs as a

licensed product.

11. Click the Close button.

5.5. ToolStick Terminal

The ToolStick Terminal program provides the standard terminal interface to the target microcontroller's UART.

However, instead of requiring the usual RS-232 and COM port connection, ToolStick Terminal uses the USB

interface of the ToolStick Base Adapter to provide the same functionality. The software is available on the ToolStick

webpage (www.silabs.com/toolstick).

In addition to the standard terminal functions (send file, receive file, change baud rate), two GPIO pins on the target

microcontroller can be controlled using the Terminal for either RTS/CTS handshaking or software-configurable

purposes.

To use the ToolStick Terminal program:

1. Download an example to the ToolStick device that uses UART communication. One example of this type is

the F85x-86x STDIO example in the UART folder from the Simplicity Studio example project creation

wizard.

2. Disconnect from the device in the Simplicity IDE. The IDE and the ToolStick Terminal cannot communicate

with the daughter card simultaneously.

Open ToolStick Terminal from the

Start



Programs



Silicon Labs

menu.

4. In the top, left-hand corner of the Terminal application, available devices are shown in the drop-down

Connection menu. Click Connect to connect to the device.

5. If using the F85x-86x STDIO example, text printed from the device will appear in the Receive Data

window.

6. Type in a value in the Transfer Data window and press the Send Data button. The firmware will echo the

value entered, print the value in hexidecimal, and prompt for a new value.

In addition to the standard two UART pins (TX and RX), there are two GPIO/UART handshaking pins on the

ToolStick Base Adapter that are connected to two port pins on the target microcontroller. ToolStick Terminal is used

to configure and read/write these pins. Under Pin State Configuration area in ToolStick Terminal, select the

TOOLSTICK850DC-UG

Rev. 0.2 9

desired state from the drop-down menu and click the Set Selected Pin States button.

The firmware on the C8051F850 target microcontroller does not need to be customized to use the UART and

communicate with ToolStick Terminal. The firmware on the microcontroller should write to the UART as it would in

any standard application, and all of the translation is handled by the ToolStick Base Adapter.

6. Using the C8051F850 Daughter Card as a Development Platform

The prototyping area on the ToolStick C8051F850 Daughter Card makes it easy to interface to external hardware.

All of the digital I/O pins are available, so it is possible to create a complete system.

6.1. C8051F850 Pin Connections

It is important to note that if external hardware is being added, some of the existing components on the board can

interfere with the signaling. The following is a list of port pins on the C8051F850 that are connected to other

components:

See the daughter card schematic in Section 7 for more information.

6.2. C2 Pin Sharing

On the C8051F850, the C2CK and C2D debug pins are shared with the /RST and P2.0 pins respectively. The

daughter card includes the resistors necessary to enable pin sharing, which allows the /RST and P2.0 pins to be

used normally while simultaneously debugging the device. See Application Note “AN124: Pin Sharing Techniques

for the C2 Interface” at www.silabs.com/products/mcu/Pages/ApplicationNotes.aspx for more information regarding

pin sharing.

Table 1. ToolStick Daughter Card Pin Functions

MCU Pin ToolStick Daughter Card Function

P0.0

P0.1

P0.2

P0.3

P0.4 UART TX

P0.5 UART RX

P0.6

P0.7

P1.0 red LED DS1

P1.1 red LED DS2

P1.2 potentiometer R10

P1.3

P1.4

P1.5 GPIO0/RTS

P1.6 GPIO1/CTS

P1.7 Switch S1

P2.0 C2D Pin Sharing

P2.1 Switch S2

TOOLSTICK850DC-UG

10 Rev. 0.2

7. Schematic

ToolStick Card Edge Connector

Port Access

VDD

VDD_PM

VDD

VBUS

VDD

P0.2

P0.1

P0.0

C2CK

P0.5

P0.3

P0.4

P0.6

P0.7

P1.0

P1.1

P1.2

P1.3

P1.4

C2D

P1.7

P1.6

P1.5

P2.1

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

C2CK

C2D

P1.0

P1.1

P1.7

P2.1

P1.2

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

P2.0

P2.1

C2CK

/RST

C2D

P2.0

/RST

P0.5 P0.4

P1.5 P1.6

C2D

C2CK /RST

P2.0

Title

Size Document Number

Date: Sheet of

400 W Cesar Chavez

Austin, TX 78701

ToolStick-F85x-DC

ToolStick 'F85x/86x DC

1Tuesday, April 30, 2013

Title

Size Document Number

Date: Sheet of

400 W Cesar Chavez

Austin, TX 78701

ToolStick-F85x-DC

ToolStick 'F85x/86x DC

1Tuesday, April 30, 2013

Title

Size Document Number

Date: Sheet of

400 W Cesar Chavez

Austin, TX 78701

ToolStick-F85x-DC

ToolStick 'F85x/86x DC

1Tuesday, April 30, 2013

JP1

TP18

P0.5

R12

TP8

P2.0

TP19

P1.5

TP1

VDD

DS3

GREEN

R14

TP12

P0.2

TP17

P1.4

1uF

0.1uF

TP20

P0.6

R11

R10

10K

TP15

P1.3

TP14

P0.3

R13

750

TP2

C2CK

DS1

RED

P1.0

TP6

P0.0

C8051F850

P0.2

P0.1 / AGND

P0.0 / VREF

GND

VDD

/RST / C2CK

C2D / P2.0

P1.7

P1.6

P1.5

P2.1

12 NC 13

P1.4 14

P1.3 15

P1.2 16

P1.1 17

P1.0 18

P0.7 19

P0.6 20

P0.5 21

P0.4 22

P0.3 23

NC 24

P1.7

750

TP13

P1.2

DS2

RED

P1.1

750

TP22

P0.7

TP4

C2D

TP16

P0.4

TP23

P1.7

P2.1

VPPCTRL(OUT) 14

GPIO1_CTS 12

TSTERMINAL_RX 10

TDO_C2CKPS 8

TCK_C2D 6

VIO(IN) 4

VDD(3.3V) 2

SUSPEND(OUT)

GPIO0_RTS

TSTERMINAL_TX

TDO_C2DPS

TDI_C2CK

VBUS(5V)

GND

TP10

P1.1

TP24

GND

TP3

/RST

TP9

P0.1 TP11

P2.1

R15

TP25

GND

TP21

P1.6

JS1

Jumper Shunt

TP5

GND

TP7

P1.0

Figure 8. C8051F850 ToolStick Daughter Card Schematic Rev 1.0 (1 of 1)

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