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ISPnano - JTAG In-System (ISP) Upgrade for Atmel ATmega AVR Microcontrollers

 
 
 

The 'AVR JTAG' License Upgrade for Equinox ISP Programmers supports high-speed  In-System Programming (ISP) of Atmel AVR Microcontrollers via their on-chip JTAG port. The JTAG algorithm yields much faster programming times (3 - 4 times faster) than the traditional SPI algorithm due to an enhanced protocol and higher bus speed. It is also possible to program multiple AVR microcontrollers which are part of a JTAG Chain on the same Target System using the JTAG algorithm.

The JTAG port can be used for firmware development (repetitive programming and debugging) by connecting an Atmel JTAG ICE MK2 debugger. The same JTAG port can then be used for production ISP programming using an Equinox high-speed JTAG ISP programmer. JTAG ISP support is available for the Epsilon5, FS2003, FS2009, PPM3-MK2, PPM4-MK1 and ISPnano ISP Programmers as a chargeable ‘License Upgrade’.

 
Supports In System Programming (ISP) via the JTAG port of the target microcontroller.
 
 

Features

 
 
Main Features
Advantages of JTAG Programming
Portable / Field Production ISP Programmers
Production ISP Programmers
JTAG connections (Single JTAG Device)
JTAG Chain Programming Support
ISP Header Pin-out
Device Support

Main Features
  • Supports high-speed JTAG programming of a single Atmel AVR microcontroller connected via the JTAG interface
  • Supports high-speed JTAG programming of  multiple Atmel AVR microcontrollers which are connected as part of a 'JTAG Chain' (JTAG daisy-chain mode).
  • Fast programming speeds via JTAG (3 - 4 times faster than SPI method)
  • Simple 4-wire JTAG Interface to microcontroller
  • Same JTAG Interface as Atmel JTAG ICE MK2 Debugger
  • User-selectable JTAG frequency
  • Supports JTAG Chain Validation
  • Supports checking of the 'JTAG ID' of both AVR and any generic JTAG devices eg. CPLD's
  • Supports automatic checking of 'Silicon Revision' of target JTAG device

Advantages of JTAG Programming
  • The JTAG algorithm is approximately 3-4 times faster at programming compared to the SPI algorithm.
  • The programming time using JTAG for the EEPROM is significantly faster than the SPI algorithm
  • The JTAG algorithm uses the same ‘JTAG Port’ as the Atmel JTAG-ICE Debugger.
  • In JTAG mode is it possible to change the ‘Clock Selection Fuses’ to any value and still program the chip. (with the exception of the ‘JTAGEN’ Fuse)
  • It is possible to daisy-chain multiple JTAG devices on the JTAG bus in a so-called ‘JTAG Chain’ and then select to program a particular device in the chain. This functionality is now supported by Equinox programmers running firmware 3.07 and above.

Portable / Field Production ISP Programmers

Click the programmer picture for more information about the selected programmer

Portable Programmers
EPSILON5 MKIVFS2009 USBISPJUNOISPQUAD

 

Production ISP Programmers

Click on the picture of a programmer to view the full programmer description page.

Overview Title

ISPnanoS3ISPnano-GANGISPnanoS3-ATEISPnanoS4-ATE

ISPnano-MUXISPnano-MUX4ISPnano-MUX8

 

JTAG connections (Single JTAG Device)

  • Supports high-speed JTAG programming of a single Atmel AVR microcontroller
  • Uses only 4 x JTAG pins + control of the AVR RESET pin
  • Uses the same JTAG port pins as used by the Atmel JTAG ICE debugger

JTAG Chain Programming Support

  • Supports programming of Atmel AVR microcontrollers which are part of a 'JTAG Chain'
  • An individual 'Programming Project' is used to program a specific 'JTAG Device' in the 'JTAG Chain'
  • The algorithm supports 'JTAG Chain' programming of both legacy AVR devices eg. ATmega16 and newer AVR devices eg. ATmega2560 with the devices placed in any order in the JTAG Chain
  • High-speed  'JTAG Chain' programming possible due to optimised algorithms  
  • Supports JTAG Chain validation (checks the integrity of the JTAG Chain)
  • Supports checking of the 'JTAG ID' of any other non-AVR JTAG device eg. CPLD in the chain

ISP Header Pin-out

  • Equinox programmers feature the same 10-way IDC connector as the Atmel JTAG ICE debugger
  • The same JTAG interface can therefore be used for both debugging during the "development phase" and "In-System Programming" during the "production phase"

 
 

Device Support (by family)

 
 
This product supports devices from the families listed below:
 
Atmel Corporation:
  • AT90CAN - AVR with on-chip CAN : AVR microcontroller with on-chip CAN
  • AT90USB - AVR FLASH Microcontroller Family
  • ATmega AVR - FLASH Microcontroller Family
  • ATmegaxxxP 'PICO Power' AVR Microcontroller Family

 

Please note:
Not all devices may be supported within a family.
Please see the Detailed Device Support List for a list of all devices which the product supports.

 
 

Ordering Information...

 
 
 
ISPnano - JTAG In-System (ISP) Upgrade for Atmel ATmega AVR Microcontrollers
ISPnano - JTAG In-System Programming (ISP) Upgrade for Atmel ATmega AVR Microcontrollers
Manufacturer:  Equinox Technologies
Order Code:  ISPnano-UPG7
Quantity Price (GBP) [Excl. VAT]
1 - 3
275.00
4 - 9
247.50
10 and above
206.25

Availability:
769 in stock

For further information about related products, please see the Overview Product.

Product Information
Product:  ISPnano - JTAG In-System (ISP) Upgrade for Atmel ATmega AVR Microcontrollers
Manufacturer:  Equinox Technologies
Order Code:  ISPnano-UPG7
Availability:  769 in stock
Price:   275.00 (GBP)
 [Excl. VAT]
 
 
Overview Product
JTAG In-System Programming (ISP) Support for Atmel AVR Microcontrollers >>
 
 
Device Support
Device Support List
 
 
Downloads
Download View Downloads for this Product
 
 
Product News View All
 02 February 2010:
Updated Device Support List available >>
 01 July 2007:
Digi-Key now distribute Equinox products in Europe & Asia along with North America, South America and Canada. >>
 
 
Associated Products View All
8051 Microcontroller - Support Tools
FS2003 - Portable ISP Programmer for 8051 and AVR Microcontrollers >>
FS2009 - Portable high-speed multi-project USB In-System (ISP) Programmer - OVERVIEW >>
ISPnano Series I - Production ISP Programming Module - OVERVIEW >>
PPM3 MK2(UN) - Production ISP Programming Module >>
PPM4 MK1(UN) - Production ISP Programming Module - OVERVIEW >>
Atmel AVR Microcontroller Tools
Atmel JTAGICE mk2 Debugger >>
Atmel STK500 - Atmel AVR FLASH Microcontroller Starter Kit >>
FS2003 - Portable ISP Programmer for 8051 and AVR Microcontrollers >>
FS2009 - Portable high-speed multi-project USB In-System (ISP) Programmer - OVERVIEW >>
ISPnano Series I - Production ISP Programming Module - OVERVIEW >>
PPM3 MK2(UN) - Production ISP Programming Module >>
PPM4 MK1(UN) - Production ISP Programming Module - OVERVIEW >>
Emulators
Atmel JTAGICE mk2 Debugger >>
Evaluation Modules (Microcontroller)
Atmel STK500 - Atmel AVR FLASH Microcontroller Starter Kit >>
Programmers
Atmel JTAGICE mk2 Debugger >>
Atmel STK500 - Atmel AVR FLASH Microcontroller Starter Kit >>
FS2003 - Portable ISP Programmer for 8051 and AVR Microcontrollers >>
FS2009 - Portable high-speed multi-project USB In-System (ISP) Programmer - OVERVIEW >>
FS2009 - Portable multi-project USB ISP Programmer for Atmel ATmega Microcontrollers >>
ISPnano Series I - Production ISP Programming Module - OVERVIEW >>
PPM3 MK2(UN) - Production ISP Programming Module >>
PPM4 MK1(UN) - Production ISP Programming Module - OVERVIEW >>
Starter Systems (Microcontroller)
Atmel STK500 - Atmel AVR FLASH Microcontroller Starter Kit >>
Key Products
Atmel JTAGICE mk2 Debugger >>
Atmel STK500 - Atmel AVR FLASH Microcontroller Starter Kit >>
PPM4 MK1(UN) - Production ISP Programming Module - OVERVIEW >>
USB
Atmel JTAGICE mk2 Debugger >>
Miscellaneous
EPSILON5 - Portable ISP Programmer - Atmel AVR - JTAG algorithms only >>
EPSILON5 MKIII - Portable ISP Programmer and Atmel Atmega AVR JTAG Upgrade bundle >>

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