Add Jtag Port - Revision history

WeaponX: /* Locate the pads */

WeaponX — Wed, 31 Mar 2010 20:47:30 GMT

Locate the pads

← Older revision		Revision as of 20:47, 31 March 2010
Line 10:		Line 10:

	===Locate the pads===		===Locate the pads===
-	The pads are labeled CN5 and can be seen just above the serial level converter (where the yellow, orange, and red wires start to split) in [http://~~www~~.~~kurobox~~.~~com~~/~~downloads~~/~~Hardware~~/IMG_1392.jpg this photo]	+	The pads are labeled CN5 and can be seen just above the serial level converter (where the yellow, orange, and red wires start to split) in [http://downloads.buffalo.nas-central.org/KB_PPC/docs/IMG_1392.jpg this photo]

	===Connector Pin-outs===		===Connector Pin-outs===

Ghopper: /* On-Chip Debug (OCD) connector */

Ghopper — Tue, 25 Sep 2007 01:44:53 GMT

On-Chip Debug (OCD) connector

← Older revision		Revision as of 01:44, 25 September 2007
Line 105:		Line 105:
	There is also a [http://www.olimex.com/dev/images/arm-jtag-layout.gif 20-pin] JTAG interface, commonly referred to as the '''ARM standard'''.		There is also a [http://www.olimex.com/dev/images/arm-jtag-layout.gif 20-pin] JTAG interface, commonly referred to as the '''ARM standard'''.
	For connecting to your PC, there are two common options: parallel port and USB.		For connecting to your PC, there are two common options: parallel port and USB.
-	USB ~~version are faster, but can also be more expensive~~.	+	Some software packages do not support USB cables.
	<ref>Most of the USB implementations appear to use a version of the [http://www.ftdichip.com/Products/FT2232C.htm FT2232 chip from FTDI], so they should all be somewhat compatible.</ref>		<ref>Most of the USB implementations appear to use a version of the [http://www.ftdichip.com/Products/FT2232C.htm FT2232 chip from FTDI], so they should all be somewhat compatible.</ref>

Ghopper: /* Buy one */

Ghopper — Tue, 25 Sep 2007 01:42:19 GMT

Buy one

← Older revision		Revision as of 01:42, 25 September 2007
Line 123:		Line 123:
	=== Buy one ===		=== Buy one ===
	Several inexpensive options are listed below.		Several inexpensive options are listed below.
-	<ref>There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, (~~or get one that is supported by OpenOCD.~~) </ref>	+	<ref>There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, (make sure the software supports your target board) </ref>
	* Macraigor		* Macraigor
	** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.		** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.

Ghopper: Add link to FT2232

Ghopper — Wed, 12 Sep 2007 04:10:26 GMT

Add link to FT2232

← Older revision		Revision as of 04:10, 12 September 2007
Line 106:		Line 106:
	For connecting to your PC, there are two common options: parallel port and USB.		For connecting to your PC, there are two common options: parallel port and USB.
	USB version are faster, but can also be more expensive.		USB version are faster, but can also be more expensive.
-	<ref>Most of the USB implementations appear to use a version of the FT2232 chip, so they should all be somewhat compatible.</ref>	+	<ref>Most of the USB implementations appear to use a version of the [http://www.ftdichip.com/Products/FT2232C.htm FT2232 chip from FTDI], so they should all be somewhat compatible.</ref>

	The OCD port on the Linkstation uses an electrical standard known as JTAG/COP.		The OCD port on the Linkstation uses an electrical standard known as JTAG/COP.
Line 114:		Line 114:
	The signals have to be buffered to protect the hardware from damage and we use a JTAG adapter (such as the Wiggler) to do this.		The signals have to be buffered to protect the hardware from damage and we use a JTAG adapter (such as the Wiggler) to do this.
	Those with some electronics experience could build their own circuit, but there are also several inexpensive vendors.		Those with some electronics experience could build their own circuit, but there are also several inexpensive vendors.
		+
		+	== JTAG Interface Cable ==

	=== Schematics and Software to build your own ===		=== Schematics and Software to build your own ===
Line 121:		Line 123:
	=== Buy one ===		=== Buy one ===
	Several inexpensive options are listed below.		Several inexpensive options are listed below.
-	<ref>There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, or get one that is supported by OpenOCD.)</ref>	+	<ref>There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, (or get one that is supported by OpenOCD.) </ref>
	* Macraigor		* Macraigor
	** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.		** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.

Ghopper: /* Overview */

Ghopper — Sat, 08 Sep 2007 16:38:10 GMT

Overview

← Older revision		Revision as of 16:38, 8 September 2007
Line 4:		Line 4:
	== Overview ==		== Overview ==

-	You will need to [[Disassemble\|open the case] and solder a 2x8 [http://microcontrollershop.com/product_info.php?cPath=301_306&products_id=2115 pin header] to the board.	+	You will need to [[Disassemble\|open the case]] and solder a 2x8 [http://microcontrollershop.com/product_info.php?cPath=301_306&products_id=2115 pin header] to the board.
	You also need to [[Building a JTAG Interface\|build]] or [[#Buy one\|buy]] a JTAG interface cable.		You also need to [[Building a JTAG Interface\|build]] or [[#Buy one\|buy]] a JTAG interface cable.

Ghopper: Add references section, and add ref to Freescale 8241 info page

Ghopper — Sat, 08 Sep 2007 16:37:36 GMT

Add references section, and add ref to Freescale 8241 info page

← Older revision		Revision as of 16:37, 8 September 2007
Line 4:		Line 4:
	== Overview ==		== Overview ==

-	You will need to solder a 2x8 [http://microcontrollershop.com/product_info.php?cPath=301_306&products_id=2115 pin header] to the board.	+	You will need to [[Disassemble\|open the case] and solder a 2x8 [http://microcontrollershop.com/product_info.php?cPath=301_306&products_id=2115 pin header] to the board.
	You also need to [[Building a JTAG Interface\|build]] or [[#Buy one\|buy]] a JTAG interface cable.		You also need to [[Building a JTAG Interface\|build]] or [[#Buy one\|buy]] a JTAG interface cable.

Line 18:		Line 18:


-	According to http://www.abatron.ch/Files/ManAccessCOP-2000C.pdf and http://www.freescale.com/files/soft_dev_tools/doc/user_guide/CWH-UTP-UG.pdf the following pins are used for a PPC COP/JTAG interface:	+	According to http://www.abatron.ch/Files/ManAccessCOP-2000C.pdf and http://www.freescale.com/files/soft_dev_tools/doc/user_guide/CWH-UTP-UG.pdf
		+	the following pins are used for a PPC COP/JTAG interface:
		+	<ref>This also agrees with the recommended JTAG implementation as documented in [http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPC8241 Freescale MPC8241 Info],
		+	which is the CPU used for the Linkstation HG. See pages 45-46.
		+	Note that there is no guarantee that Buffalo followed this recommendation, but it appears that they did.</ref>
	{\|		{\|
	\|- bgcolor=#CCCCCC		\|- bgcolor=#CCCCCC
Line 91:		Line 95:
	12 GROUND System Ground		12 GROUND System Ground
	13 HRESET Hard-Reset		13 HRESET Hard-Reset
-	14 <reseved>	+	14 <reseved> (key, which means this pin is often removed)
	15 CKSO Not Connected on the 8421		15 CKSO Not Connected on the 8421
	16 GROUND System Ground		16 GROUND System Ground
Line 102:		Line 106:
	For connecting to your PC, there are two common options: parallel port and USB.		For connecting to your PC, there are two common options: parallel port and USB.
	USB version are faster, but can also be more expensive.		USB version are faster, but can also be more expensive.
		+	<ref>Most of the USB implementations appear to use a version of the FT2232 chip, so they should all be somewhat compatible.</ref>

	The OCD port on the Linkstation uses an electrical standard known as JTAG/COP.		The OCD port on the Linkstation uses an electrical standard known as JTAG/COP.
-	Although this is signal-level compatible with the TI/ARM standards, unfortunately the pins are in a different ~~orderon~~ the Linkstation.	+	The 16-pin COP header for Freescale devices is slightly different from the TI/ARM standards.
		+	Although this is signal-level compatible with the TI/ARM standards, unfortunately the pins are in a different order on the Linkstation.
	Therefore, you will need to build your own cable, or use some wires to manually connect the proper pins.		Therefore, you will need to build your own cable, or use some wires to manually connect the proper pins.
	The signals have to be buffered to protect the hardware from damage and we use a JTAG adapter (such as the Wiggler) to do this.		The signals have to be buffered to protect the hardware from damage and we use a JTAG adapter (such as the Wiggler) to do this.
Line 114:		Line 120:

	=== Buy one ===		=== Buy one ===
		+	Several inexpensive options are listed below.
		+	<ref>There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, or get one that is supported by OpenOCD.)</ref>
	* Macraigor		* Macraigor
	** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.		** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.
Line 128:		Line 136:
	** A quick search on ebay will find many buffered JTAG cables for less than $20.		** A quick search on ebay will find many buffered JTAG cables for less than $20.

-	(There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, or get one that is supported by OpenOCD.)	+	== Notes ==
		+	<references />

-	~~(Most of the USB implementations appear to use a version of the FT2232 chip, so they should all be somewhat compatible.)~~

	{{Template:Articles\|Kurobox\|Hardware\|JTAG}}		{{Template:Articles\|Kurobox\|Hardware\|JTAG}}

Ghopper: Updated links to JTAG adaptor vendors. Added a note about 14-pin vs 20-pin options.

Ghopper — Fri, 07 Sep 2007 15:47:38 GMT

Updated links to JTAG adaptor vendors. Added a note about 14-pin vs 20-pin options.

← Older revision		Revision as of 15:47, 7 September 2007
Line 1:		Line 1:
-	[[Image:Msp430-jtag.jpg\|thumb\|~~Cable required~~]]	+	[[Image:Msp430-jtag.jpg\|thumb\|Sample JTAG interface cable]]
	This document is a work in progress. It explains how to fit the internal on-chip debug (OCD) port on a Linkstation, Kuro-Box or Kuro-Box/HG to a PC interface.		This document is a work in progress. It explains how to fit the internal on-chip debug (OCD) port on a Linkstation, Kuro-Box or Kuro-Box/HG to a PC interface.
		+
		+	== Overview ==
		+
		+	You will need to solder a 2x8 [http://microcontrollershop.com/product_info.php?cPath=301_306&products_id=2115 pin header] to the board.
		+	You also need to [[Building a JTAG Interface\|build]] or [[#Buy one\|buy]] a JTAG interface cable.

	== Adding the JTAG Port ==		== Adding the JTAG Port ==
		+
	===Locate the pads===		===Locate the pads===
-	The pads are ~~labelled~~ CN5 and can be seen just above the serial level converter (where the yellow, orange, and red wires start to split) in [http://www.kurobox.com/downloads/Hardware/IMG_1392.jpg this photo]	+	The pads are labeled CN5 and can be seen just above the serial level converter (where the yellow, orange, and red wires start to split) in [http://www.kurobox.com/downloads/Hardware/IMG_1392.jpg this photo]

	===Connector Pin-outs===		===Connector Pin-outs===
Line 90:		Line 96:

	== On-Chip Debug (OCD) connector ==		== On-Chip Debug (OCD) connector ==
-	The ~~internal~~ OCD port uses an electrical standard known as JTAG/COP. The signals have to be buffered to protect the hardware from damage and we use a JTAG ~~wiggler~~ to do this.	+
-		+	Technically, JTAG refers only to the 5 pins with JTAG in the description above ([http://en.wikipedia.org/wiki/JTAG wikipedia]).
-	Those with some ~~electrical~~ experience could build their own circuit, but ~~most will opt for ordering one~~.	+	There is a [http://www.olimex.com/dev/images/msp430-jtag.gif 14-pin] JTAG interface, commonly referred to as the '''TI standard'''.
		+	There is also a [http://www.olimex.com/dev/images/arm-jtag-layout.gif 20-pin] JTAG interface, commonly referred to as the '''ARM standard'''.
		+	For connecting to your PC, there are two common options: parallel port and USB.
		+	USB version are faster, but can also be more expensive.
		+
		+	The OCD port on the Linkstation uses an electrical standard known as JTAG/COP.
		+	Although this is signal-level compatible with the TI/ARM standards, unfortunately the pins are in a different orderon the Linkstation.
		+	Therefore, you will need to build your own cable, or use some wires to manually connect the proper pins.
		+	The signals have to be buffered to protect the hardware from damage and we use a JTAG adapter (such as the Wiggler) to do this.
		+	Those with some electronics experience could build their own circuit, but there are also several inexpensive vendors.

	=== Schematics and Software to build your own ===		=== Schematics and Software to build your own ===
-	* [[Building a JTAG Interface]]	+	* [[Building a JTAG Interface]] How to build your own parallel port-JTAG interface cable.
	* http://hri.sourceforge.net/tools/		* http://hri.sourceforge.net/tools/

	=== Buy one ===		=== Buy one ===
-	* ~~Commercial - The~~ [http://www.macraigor.com/wiggler.htm ~~Macraigor~~ Wiggler] ~~seems to be the cheapest at~~ $150.	+	* Macraigor
-	* ~~Hobby~~ - ~~Could the~~ 20-pin [http://www.olimex.com/dev/arm-~~jtag~~.html ~~Olimex~~ ARM-JTAG] ~~be modified~~ to ~~work with Kuro~~-~~Box?~~ $20.	+	** [http://www.macraigor.com/wiggler.htm Wiggler] Parallel port version for $150.
-	* A quick search on ebay will find many buffered JTAG cables for less than $20.	+	** [http://www.macraigor.com/usbWiggler.htm usbWiggler] USB version for $225.
		+	* Olimex (look for a local [http://www.olimex.com/dev/order.html distributor] to save on shipping)
		+	** [http://www.olimex.com/dev/arm-jtag.html ARM-JTAG] Parallel Port to 20-pin $20. (Advertised as being Wiggler compatible)
		+	** [http://www.olimex.com/dev/arm-usb-tiny.html ARM-USB-TINY] USB to 20-pin interface $50.
		+	** [http://www.olimex.com/dev/msp-jtag.html MSP430-JTAG] Parallel Port to 14-pin $15.
		+	** [http://www.olimex.com/dev/msp-jtag-tiny.html MSP430-JTAG-TINY] USB to 14-pin $70.
		+	* Amontech
		+	** [http://www.amontec.com/jtagkey.shtml JTAGkey] €129 USB to 20-pin. Includes some nice cables.
		+	** [http://www.amontec.com/jtagkey-tiny.shtml JTAGkey-TINY] €29 USB to 20-pin.
		+	* eBay
		+	** A quick search on ebay will find many buffered JTAG cables for less than $20.
		+
		+	(There are more expensive options. I didn't include any options which are more expensive than the Linkstation. Please also pay attention to the included software, or get one that is supported by OpenOCD.)
		+
		+	(Most of the USB implementations appear to use a version of the FT2232 chip, so they should all be somewhat compatible.)

	{{Template:Articles\|Kurobox\|Hardware\|JTAG}}		{{Template:Articles\|Kurobox\|Hardware\|JTAG}}

Ramuk at 00:13, 13 July 2007

Ramuk — Fri, 13 Jul 2007 00:13:11 GMT

← Older revision		Revision as of 00:13, 13 July 2007
Line 103:		Line 103:
	* A quick search on ebay will find many buffered JTAG cables for less than $20.		* A quick search on ebay will find many buffered JTAG cables for less than $20.

-	{{Template:Articles\|Kurobox\|~~Category:~~Hardware\|JTAG}}	+	{{Template:Articles\|Kurobox\|Hardware\|JTAG}}

Ramuk at 00:12, 13 July 2007

Ramuk — Fri, 13 Jul 2007 00:12:57 GMT

← Older revision		Revision as of 00:12, 13 July 2007
Line 103:		Line 103:
	* A quick search on ebay will find many buffered JTAG cables for less than $20.		* A quick search on ebay will find many buffered JTAG cables for less than $20.

-	[[Category:Hardware]]	+	{{Template:Articles\|Kurobox\|Category:Hardware\|JTAG}}
-	~~[[Category:HowTo]]~~	+
-	~~[[Category:~~JTAG]]	+

Ramuk: 21 revision(s)

Ramuk — Thu, 12 Jul 2007 19:53:02 GMT

21 revision(s)

← Older revision

Revision as of 19:53, 12 July 2007