Silicon Laboratories DEBUGADPTR1-USB User Manual

8-B USB D
I T

1. Introduction

The 8-bit USB Debug Adapter (UDA) provides the interface between the PC's USB port and the Silicon Labs 8-bit
target device's in-system debug/programming circuitry. The 10-pin ribbon cable connects the adapter to the target
board and the target device's debug interface.
There are two versions of the 8-bit USB Debug Adapter: the original 8-bit adapter is the EC3, and the new 8-bit
debug adapter is UDA-8. The new adapters (UDA-8) are no longer compatible with older versions of Silicon
Laboratories software. Silicon Labs strongly recommends upgrading the software to the latest versions of the
Silicon Laboratories 8-bit IDE and Flash Programming Utilities. The older 8-bit debug adapter, EC3, will be
discontinued September 30th, 2013. Visit
To differentiate between the two adapters, the UDA-8 adapters have a UDA-8 sticker on the bottom. The EC3
adapters will either not have this sticker or have an EC3 sticker.
The UDA-8 debug adapter is compatible with the following tools from Silicon Laboratories.
8-bit IDE Software, version 4.50 and later.

8-bit Flash Programming Utility, version 4.10 and later.

The EC3 will continue to be supported by all versions of the software.

2. Relevant Documentation

Application notes can be found on the 8-bit MCU Application Notes web page: www.silabs.com/appnotes.
AN124: Pin Sharing Techniques for the C2 Interface—Describes in detail the debug interface pin

sharing feature for C2 devices, which enables debugging and use of the /RST and GPIO pins shared with
C2CK and C2D.
AN117: Using C8051Fxxx On-Chip Interface Utilities DLL—The SiUtil DLL discussed in this document

uses the USB Debug Adapter to program the memory space of C2 and JTAG devices.
AN134: Multiple-Device JTAG Configuration in the Silicon Labs IDE—Configuration in the IDE and

using the USB Debug Adapter for devices in a JTAG chain.
Rev. 0.2 6/13
A
E B U G DAPTER
www.silabs.com/8bit-uda
Figure 1. 8-Bit USB Debug Adapter
Copyright © 2013 by Silicon Laboratories
8-Bit USB Debug Adapter
U ' G
SER S UIDE
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8-Bit USB Debug Adapter