ATMEL JTAGICE mkII Quick Start Guide

Update: 28 September, 2023

JTAGICE mkII is Atmel's on-chip debugging tool for the AVR® microcontroller family. It supports debugging with AVR's traditional JTAG interface and with the debugWIRE interface. The JTAGICE mkII supports PC communication via RS-232 and USB. It is supported by AVR Studio version 4.09 and later. When connecting to the target board through the debugWIRE interface, only the RESET pin is used for communication. To enable the debugWIRE interface on an AVR Device, the debugWIRE Enable fuse, DWEN, must be programmed (DWEN=0). AVR devices with debugWIRE interface are shipped with the DWEN fuse unprogrammed. ISP or High-Voltage Programming is required to enable debugWIRE. Programming the fuse via ISP requires an ISP header on the target board. Using the 6-pin ISP header as shown in Figure 1 is recommended. The JTAGICE mkII supports ISP as a general programming interface, as well as having built-in support for handling the DWEN fuse and performing the Chip Erase when debugging. ISP is also supported by Atmel's STK500 and AVRISP mkII. See the relevant user guides for more information. All user guides are found in the AVR Studio Online help. The recommended connection when the JTAGICE mkII is used for both debugWIRE and limited ISP is the ISP6PIN header. See Figure 1, Figure 2 on page 2, and Table 1 on page 2.

Brand: ATMEL

File format: PDF

Size: 216 KB

MD5 Checksum: 14779BDCC7DD64696A1DD10E86FF940A

Publication date: 27 March, 2012

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PDF Link: ATMEL JTAGICE mkII Quick Start Guide PDF

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