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USB Debug Adapter. Power USB DEBUG ADAPTER. Silicon Laboratories. Stop. Run. Figure 1. Hardware Setup Using a USB Debug Adapter

1 C8051F34X DEVELOPMENT KIT USER S GUIDE 1. Kit Contents The C8051F34x Development Kit contains the following items: C8051F340 Target Board C8051Fxxx Development Kit Quick-Start Guide AC to DC Power Adapter USB Debug Adapter (USB to Debug Interface) USB Cable CD-ROM 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 Connect the USB Debug Adapter to the DEBUG 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: Use the Reset button in the IDE to reset the target when connected using a USB Debug Adapter. Remove power from the target board before removing 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. PC AC/DC Adapter USB Debug Adapter Target Board USB Cable Power Stop Run Silicon Laboratories USB DEBUG ADAPTER P3.7 PWR SILICON LABORATORIES MCU RESET P1.6 Port 2 Port 0 Port 1 Port 3 Port 4 Figure 1. Hardware Setup Using a USB Debug Adapter Notes: The C8051F340 target board has the ability to be powered through the USB cable. To enable the USB-powered mode, short the pins labeled VBUS and VREGIN on the J8 header. Do not short all 3 pins on the J8 header. Rev /14 Copyright 2014 by Silicon Laboratories C8051F34x

2 3. Software Setup 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 2. Simplicity Studio The following Simplicity Studio components are required for the C8051F340 Development Kit: 8051 Products Part Support Simplicity Developer Platform Download and install Simplicity Studio from or 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 C8051F34x family by checking the C8051F34x 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. 2 Rev. 0.3

3 3.1. Running Blinky C8051F34x 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. This 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 C8051F340 Development Kit, in the Part drop-down, select C8051F340, and in the SDK drop-down, select the desired SDK. Click Next. 4. Select Example and click Next. 5. Under C8051F340 Development Kit in the Blinky folder, select F34x 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 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. Rev

4 3.3. Legacy 8-bit IDE Note: Using the Simplicity Studio tools with the C8051F340 Development Kit is recommended. See section 3. «Software Setup » on page 2 for more information. Download the 8-bit software from the website ( or use the provided installer on the CD-ROM to install the software tools for the C8051F34x devices. After installation, examples can be found in. \examples\c8051f34x in the installation directory. At a minimum, the C8051F340 DK requires: Silicon Labs IDE Software enabling initial evaluation, development, and debugging. Configuration Wizard 2 Initialization code generation software for the C8051F34x devices. Keil C51 Tools Keil 8051 Compiler/Assembler/Linker toolchain. 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: ToolStick Development Tools Software and examples for the ToolStick development platform. More information on this platform can be found at 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. Find the Product Serial Number printed on the CD-ROM. If you no longer have this serial number, register on the Silicon Labs website ( 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 3. 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 6. Enter the Silicon Labs Product Serial Number printed on the CD-ROM, along with any additional required 4 Rev. 0.3

5 information. 7. Once the form is complete, click the Submit button. An will be sent to the provided address with the license activation code. 8. Copy the License ID Code (LIC) from the Paste the LIC into the New License ID Code (LIC) text box at the bottom of the License Management window in µvision 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. Rev

6 4. Target Board The C8051F34x Development Kit includes a target board with a C8051F340 device pre-installed for evaluation and preliminary software development. Numerous input/output (I/O) connections are provided to facilitate prototyping using the target board. Refer to Figure 4 for the locations of the various I/O connectors. P1 Power connector (accepts input from 7 to 15 VDC unregulated power adapter) P2 Analog I/O terminal block P3 USB connector P4 RS232 connector J1 Supply signal header J2 Port 0 header J3 Port 1 header J4 Port 2 header J5 Port 3 header J6 Port 4 header J7 Connects the +3V supply net to the VDD supply net J8 USB Power or VDD power selection header J9 Debug connector for debug adapter interface J10, J11 External crystal enable connectors J12 Port I/O jumper configuration block J13 96-pin female connector J15 Jumper connection for pin 1.5 to capacitors (used when VREF is internally generated) J16 Jumper connection for potentiometer source to VDD J17 Jumper connection for potentiometer to pin 2.5 J19 Serial Adapter target board power connector J13 R10 J17 J16 P2.1 P2.0 RESET SW3 SW2 SW1 P4 RS232 J6 J1 D4 D3 SILICON LABORATORIES J5 J8 J12 P3 USB 340 C8051F340-TB J4 J3 J15 P2 J11 U1 J10 J7 J2 D2 J19 DEBUG P1 J9 PWR Figure 4. C8051F340 Target Board 6 Rev. 0.3

7 4.1. System Clock Sources C8051F34x The C8051F340 device installed on the target board features a calibrated programmable internal oscillator which is enabled as the system clock source on reset. After reset, the internal oscillator operates at a frequency of 1.5 MHz (±1.5%) by default but may be configured by software to operate at other frequencies. Therefore, in many applications an external oscillator is not required. However, if you wish to operate the C8051F340 device at a frequency not available with the internal oscillator, an external crystal may be used. Refer to the C8051F34x datasheet for more information on configuring the system clock source. The target board is designed to facilitate the installation of an external crystal. Remove shorting blocks at headers J10 and J11 and install the crystal at the pads marked Y1. Install a 10 M resistor at R1 and install capacitors at C6 and C7 using values appropriate for the crystal you select. Refer to the C8051F34x datasheet for more information on the use of external oscillators Switches and LEDs Three switches are provided on the target board. Switch RESET is connected to the RESET pin of the C8051F340. Pressing RESET puts the device into its hardware-reset state. Switches P2.0 and P2.1 are connected to the C8051F340 s general purpose I/O (GPIO) pins through headers. Pressing P2.0 or P2.1 generates a logic low signal on the port pin. Remove the shorting blocks from the J12 header to disconnect Switch P2.0 and Switch P2.1 from the port pins. The port pin signals are also routed to pins on the J1 I/O connector. See Table 1 for the port pins and headers corresponding to each switch. Three LEDs are also provided on the target board. The red LED labeled PWR LED is used to indicate a power connection to the target board. The green surface-mount LEDs labeled with port pin names are connected to the C8051F340 s GPIO pins through headers. Remove the shorting blocks from the header to disconnect the LEDs from the port pin. The port pin signals are also routed to pins on the J1 I/O connector. See Table 1 for the port pins and headers corresponding to each LED. Also included on the C8051F340 target board is a 10 K Thumb-Wheel Rotary Potentiometer, part number R10. The Potentiometer is connected to the C8051F340 s P2.5 pin through the J17 header. Remove the shorting block from the header to disconnect the Potentiometer from the port pin. The port pin signal is also routed to a pin on the J1 I/O connector. See Table 1 for the port pin and header corresponding to the Potentiometer. Table 1. Target Board I/O Descriptions Description I/O Header SW1 Reset none SW2 P2.0 J12[1 2] SW3 P2.1 J12[3 4] Green LED P2.2 J12[5 6] Green LED P2.3 J12[7 8] Red LED PWR none Potentiometer P2.5 J17 Rev

8 4.3. Universal Serial Bus (USB) Interface (J14) A Universal Serial Bus (USB) connector (P3) is provided to facilitate connections to the USB interface on the C8051F340. Table 2 shows the J14 pin definitions. Table 2. USB Connector Pin Descriptions Pin # Description 4.4. PORT I/O Connectors (J2 — J6) 1 VBUS 2 D- 3 D+ 4 GND (Ground) In addition to all port I/O signals being routed to the 96-pin expansion connector, each of the five parallel ports of the C8051F340 has its own 10-pin header connector. Each connector provides a pin for the corresponding port pins 0 7, +3.3 VDC and digital ground. Table 3 defines the pins for the port connectors. The same pin-out order is used for all of the port connectors. Table 3. J12 J19 Port Connector Pin Descriptions Pin # Description 1 Pn.0 2 Pn.1 3 Pn.2 4 Pn.3 5 Pn.4 6 Pn.5 7 Pn.6 8 Pn VD (+3.3VDC) 10 GND (Ground) 4.5. USB Self-Powered Configuration (J8) The C8051F340 target board can be configured as a self-powered USB device to take power from the USB cable instead of the ac/dc adapter connected at P1. To configure the target boards as a self-powered USB device, short the VREGIN and VBUS pins on the J8 header Note: When the C8051F340 target board is self-powered from the USB, the Serial Adapter is not powered from the target board. The Serial Adapter must be powered directly by connecting the ac/dc adapter to the Serial Adapters dc power jack. Also, the RS232 Serial Interface (P4) cannot be used when powering the target board from the USB. 8 Rev. 0.3

9 4.6. Target Board DEBUG Interface (J9) C8051F34x The DEBUG connector (J9) provides access to the DEBUG (C2) pins of the C8051F340. 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 4 shows the DEBUG pin definitions. Table 4. DEBUG Connector Pin Descriptions Pin # Description 4.7. Serial Interface (P4) A RS232 transceiver circuit and DB-9 (P4) connector are provided on the target board to facilitate serial connections to UART0 of the C8051F340. The TX, RX, RTS and CTS signals of UART0 may be connected to the DB-9 connector and transceiver by installing shorting blocks on header J12. J129- Install shorting block to connect UART0 TX (P0.4) to transceiver. J1211- Install shorting block to connect UART0 RX (P0.5) to transceiver. J1214- Install shorting block to connect UART0 RTS (P2.6) to transceiver. J1215- Install shorting block to connect UART0 CTS (P2.7) to transceiver Analog I/O (P2) 1 +3VD (+3.3VDC) 2, 3, 9 GND (Ground) 4 C2D 5 /RST (Reset) 6 P3.0 7 C2CK 8 Not Connected 10 USB Power Several of the C8051F340 target device s port pins are connected to the P2 terminal block. Refer to Table 5 for the P2 terminal block connections. Table 5. J6 Terminal Block Pin Descriptions Pin # Description 1 P1.1 / AIN1.1 2 P1.2 / AIN1.2 3 GND (Ground) 4 P1.5 / VREF (Voltage Reference) 4.9. USB Debug Adapter Target Board Power Connector (J19) The USB Debug Adapter includes a connection to provide power to the target board. This connection is routed from J9[10] to J19[SER_PWR]. Place a shorting block at header J19[REG_IN-P1_PWR] to power the board directly from an ac/dc power adapter. Place a shorting block at header J19[REG_IN-SER_PWR] to power the board from the USB Debug Adapter. Please note that the second option is not supported with either the EC1 or EC2 Serial Adapters. Rev

10 5. Schematics Figure 5. C8051F340 Target Board Schematic (Page 1 of 2) 10 Rev. 0.3

11 Figure 6. C8051F340 Target Board Schematic (Page 2 of 2) Rev

12 DOCUMENT CHANGE LIST Revision 0.1 to Revision 0.2 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. Revision 0.2 to Revision 0.3 Updated 3. «Software Setup » on page Rev. 0.3

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