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USB Debug Adapter

USB DEBUG ADAPTER USER’S GUIDE

1. Contents

The USB Debug Adapter package contains the following items:

• USB Debug Adapter (USB to Debug Interface) with attached 7” Ribbon Cable

2. USB Debug Adapter Specifications

The USB Debug Adapter provides the interface between the PC’s USB port and the target device’s in-system

debug/programming circuitry. The attached 10-pin DEBUG ribbon cable connects the adapter to the target board

and the target device’s debug interface. The USB Debug Adapter supports both Silicon Laboratories JTAG and C2

debug interfaces. Power is provided to the adapter from the USB connection to the PC. The USB Debug Adapter is

capable of providing power to a circuit board via pin 10 of the DEBUG connector. See the Kit User’s Guide for

instructions on powering a target board from this source. Table 1 shows the pin definitions for the DEBUG ribbon

cable connector.

Notes:

• The USB Debug Adapter requires a target system clock of 32 KHz or greater.

• With the default settings, the USB Debug Adapter can supply up to 100 mA to a target system.

Figure 1. USB Debug Adapter

Table 1. USB Debug Adapter DEBUG Connector Pin Descriptions

Pin # Description

1,8 Not Connected

2,3,9 GND (Ground)

4TCK (C2D)

5TMS

6TDO

7TDI (C2CK)

10 USB Power

Summary of content (6 pages)

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USB Debug Adapter USB D E B U G A D A P T E R U S E R ’ S G U I D E 1. Contents The USB Debug Adapter package contains the following items: • USB Debug Adapter (USB to Debug Interface) with attached 7” Ribbon Cable 2. USB Debug Adapter Specifications The USB Debug Adapter provides the interface between the PC’s USB port and the target device’s in-system debug/programming circuitry. The attached 10-pin DEBUG ribbon cable connects the adapter to the target board and the target device’s debug interface.
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USB Debug Adapter 3. Hardware Setup using a USB Debug Adapter Connect a target board to a PC running the Silicon Laboratories IDE via the USB Debug Adapter as shown in Figure 2. 1. Connect the USB Debug Adapter to the JTAG or DEBUG connector on a 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.
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USB Debug Adapter 4. Software Setup using a USB Debug Adapter The Silicon Laboratories Integrated Development Environment (IDE) along with other software tools are provided for device development and debugging. The IDE is available for download from the Silicon Laboratories website and is also available on microcontroller development kit CD-ROMs.
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Figure 4. USB Debug Adapter Schematic (page 1) USB Debug Adapter 5. Schematics 4 Rev. 0.
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Figure 5. USB Debug Adapter Schematic (page 2) USB Debug Adapter Rev. 0.
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USB Debug Adapter CONTACT INFORMATION Silicon Laboratories Inc. 4635 Boston Lane Austin, TX 78735 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Email: MCUinfo@silabs.com Internet: www.silabs.com The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice.