Datasheet > AVR-JTAG-USB

AVR-JTAG-USB

更新时间： 2024-11-24 22:03:03

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
1页	15K
描述
OLIMEX AVR PROGRAMMMING ADAPTER

阅读下载

中文翻译

获取价格

数据手册

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AVR-JTAG-USB 数据手册

AVR-USB-JTAG DEVELOPMENT TOOL

FOR AVR MICROCONTROLLERS WITH JTAG INTERFACE

Features:

AVR-USB-JTAG

- Full Support for Assembly and High Level

Languages

(complete

analog

ATMEL’s AVR JTAG ICE) is development tool

for programming, real time emulation and

debugging for AVR microcontrollers with JTAG

interface (ATmega16, ATmega32, ATMega323,

ATmega162, ATmega169, ATmega128 and all

other future to come). AVR-USB-JTAG have:

JTAG 10 pin connector (Atmel layout), status

LED, USB type A connector.

- Program and Data Breakpoints

- All Operations and Breakpoints are Real

Time

- Upgrades are done from AVR Studio

- Target Voltage 3.0-5.0V

- No need for external power supply – power is

taken from USB port

AVR-USB-JTAG works transparently with

AVRSTUDIO as it uses USB to RS232 driver

inside and AVRSTUDIO just finds ATJTAGICE

connected to the virtual COM port which FT232

Programming:

To work with AVR-USB-JTAG you need target

board with JTAG connector (for instance

Olimex’s AVR-M16

AVR-P40B-P8535-

driver

installs.

AVR-USB-JTAG

allow

8Mhz) and AVRSTUDIO software ( you can

download from http://www.avrfreaks.net in

Tools section).

debugging on all new computers and notebooks

which have no RS232 COM port and removes all

problems

which

occur

when

unknown/uncertified USB to RS232 port

converters are used with the original RS232

based ATJTAGICE.

AVR-USB-JTAG is optically isolated from

USB port, so you can debug directly connected

to 120/220VAC mains targets.

AVR-USB-JTAG allows access to all the

powerful features of the AVR microcontroller.

All AVR resources can be monitored: Flash

memory, EEPROM memory, SRAM memory,

Bits, and all I/O modules. AVR-JTAG also

offers extensive On-chip Debug support for

break conditions, including break on change of

Program memory flow, Program memory Break

Points on single address or address range, and

Data memory Break Points on single address or

address range.

JTAG interface:

The JTAG connector is 2x5 pin with 0,1" step

and Atmel’s compatible layout. The PIN.1 is

marked with square pad on bottom and arrow on

top. JTAG signals are: 1- TCK, 2- GND, 3-

TDO, 4- VREF, 5- TMS, 6- NSRST, 7- VCC, 8-

NTRST, 9- TDI, 10- GND.

JTAG TOP view PCB board layout:

Virtual com port driver:

AVR-USB-JTAG uses FT232 USB to RS232 IC

from Future Technology devices, you must

download and install proper driver for your

computer and OS from:

http://www.ftdichip.com/Drivers/FT232-

FT245Drivers.htm

- AVR Studio Operated

- Full Emulation of All Analog and Digital

- Full JTAG Programming Support

- Supports Multiple Devices in a JTAG Scan

Chain

Ordering codes:

AVR-USB-JTAG- assembled and tested

- RS-232 Interface to PC

Development boards for ARM, PIC, AVR and MSP430 microcontrollers http://www.olimex.com/dev

中文翻译

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