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C8051F970 D
1. Introduction
The C8051F970 Development Kit provides an evaluation and development platform for the C8051F97x MCUs.
The board has a particular focus on capacitive sensing to highlight the 43 Capacitive Sense input channels
available on the C8051F970 MCU.
1.1. Key Features
The key features of the C8051F970 Development Kit are:
Silicon Labs EFM32 C8051F970 microcontroller with 32 kB flash and 8 kB RAM.
Capacitive sensing 4 x 5 button matrix and slider highlight the unique Capacitive Sense module.
Isolated power domains for the LEDs and the MCU to enable easy power measurement.
Port headers for prototyping of custom hardware.
Rev. 0.1 5/14
E V E L O P M E N T
Figure 1. C8051F970 Target Board
Copyright © 2014 by Silicon Laboratories
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C8051F970DK-UG
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Related Manuals for Silicon Laboratories C8051F970
Summary of Contents for Silicon Laboratories C8051F970
- Page 1 E V E L O P M E N T UIDE 1. Introduction The C8051F970 Development Kit provides an evaluation and development platform for the C8051F97x MCUs. The board has a particular focus on capacitive sensing to highlight the 43 Capacitive Sense input channels available on the C8051F970 MCU.
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Page 2: Relevant Documents
C8051F970DK-UG 2. Relevant Documents This document provides a hardware overview for the C8051F970 Target Board in the Development Kit. Additional information on Simplicity Studio, Capacitive Sense Profiler, and the Capacitive Sense firmware library can be found in the documents listed in this section. -
Page 3: Hardware Setup
C8051F970DK-UG 3. Hardware Setup Refer to Figure 2 for a diagram of the hardware configuration. 1. Connect the USB Debug Adapter to the 10-pin debug connector (DEBUG, H8) on the MCU card using the 10-pin ribbon cable. 2. Connect the USB Debug Adapter to a USB Port on the PC. 3. -
Page 4: Software Setup
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 3. Simplicity Studio The following Simplicity Studio components are required for the C8051F970 Development Kit: 8051 Products Part Support ... - Page 5 C8051F970DK-UG 4.1. Loading a Demo To download a demo to the board: 1. Click the Detect Connected Device button from the Simplicity Studio home screen. 2. Click the Demos tile from the Simplicity Studio home screen. 3. Select the desired demo from the list. For example, click the Capactive Sense (No Overlay) demo for download to the board.
- Page 6 To create a project based on the Blinky example: 1. Click the Software Examples tile from the Simplicity Studio home screen. 2. In the Kit drop-down, select C8051F970 Development Kit, in the Part drop-down, select C8051F970, and in the SDK drop-down, select the desired SDK. Click Next.
- Page 7 C8051F970DK-UG 4.4. CP210x USB to UART VCP Driver Installation The target board includes a Silicon Labs CP210x USB-to-UART Bridge Controller. Device drivers for the CP210x need to be installed before the PC software can communicate with the MCU through the UART interface. Download the latest drivers from the website (www.silabs.com/vcpdrivers).
- Page 8 C8051F970DK-UG 5. C8051F970 Target Board Overview The C8051F970 target board enables application development on the C8051F97x MCU device family. Figure 4 and Figure 5 highlight the C8051F970 target board features. Debug Connector Reset Button USB Connector Power Adapter for VCP...
- Page 9 5.1. Push-Button Switches and LEDs (S1-2, DS8-13) The C8051F970 target board has two push-button switches and six LEDs. The switches are normally open and pull the pin voltage to ground when pressed. The LEDs connect to VDD through a current-limiting resistor and turn on when the corresponding port pin is low.
- Page 10 The side labeled VMCU is the side isolated to the C8051F970 MCU. To measure the supply current, remove the corresponding shorting block and connect a current measurement device across the unpopulated header.
- Page 11 5.11. External Clocks (U6, Y1, Y2) The C8051F970 target board is equipped with a Silicon Labs Si504 programmable CMEMS oscillator and two crystal footprints Y1 and Y2. Y1 is a 25 MHz crystal that is populated by default. More information on the Si504 can be found on the Silicon Labs CMEMS website: www.silabs.com/cmems.
- Page 12 C8051F970DK-UG 5.14. MCU Port Pin Connections Table 3 summarizes all functions connected to each pin on the C8051F970 MCU in the target board. Table 3. MCU Pin Functions MCU Pin Signal MCU Pin Signal P0.0 VREF Port Pin Header P2.7...
- Page 13 C8051F970DK-UG 5.15. Shorting Blocks: Factory Defaults The C8051F970 target board comes from the factory with pre-installed shorting blocks on several headers. Figure 6 shows the positions of the factory default shorting blocks. Figure 6. Shorting Blocks: Factory Defaults By default, a shorting block is installed in the following locations: ...
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Page 14: Power Measurement
JP3 header powers the external LEDs, switches, reset switch, potentiometer, and VCP COM port. 6.1. Measuring Power with Fixed VDD To measure the power of the C8051F970 MCU using the target board at a fixed 3.3 V or 1.8 V: 1. Connect a USB Debug Adapter to the 10-pin shrouded debug connector (H8). - Page 15 (JP3) removed. Powering the MCU using VDD_MCU without powering the VDD net may prevent Simplicity Studio from communicating with the MCU. Figure 8. C8051F970 Power Measurement Configuration—Varying VDD 7. Known Board Issues There are no known issues with Revision 2.0 of the C8051F970 target board. Rev. 0.1...
- Page 16 C8051F970DK-UG 8. Schematics Rev. 0.1...
- Page 17 C8051F970DK-UG Rev. 0.1...
- Page 18 C8051F970DK-UG Rev. 0.1...
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Page 19: Bill Of Materials
C8051F970DK-UG 9. Bill of Materials Table 4. C8051F970 Target Board Bill of Materials Reference Part Number Source Description 2468 Keystone Electronics 2 cell AAA BAT-HLD-001 Linx Technologies Inc. 20 mm CR2032 battery holder C0603X5R6R3-475K Venkel 4.7 µF, 6.3 V ±10% 0603... - Page 20 C8051F970DK-UG Table 4. C8051F970 Target Board Bill of Materials (Continued) Reference Part Number Source Description 0 ,1A 0603 R2, SH1, SH2, CR0603-16W-000 Venkel SH3, SH4, SH5, SH6, SH7, SH8, SH9, SH11, SH12, SH13, SH14, SH15, SH16, SH17, SH18, SH19, SH20, SH21,...
- Page 21 The products must not be used within any Life Support System without the specific written consent of Silicon Laboratories. A "Life Support System" is any product or system intended to support or sustain life and/or health, which, if it fails, can be reasonably expected to result in significant personal injury or death.
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