ARM-USB-OCD Olimex Ltd., ARM-USB-OCD Datasheet

Programmers & Debuggers 3-in-1 USB ARM JTAG 2-5V 50x40mm

ARM-USB-OCD

Manufacturer Part Number

ARM-USB-OCD

Description

Programmers & Debuggers 3-in-1 USB ARM JTAG 2-5V 50x40mm

Manufacturer

Olimex Ltd.

Datasheet

1.ARM-USB-OCD.pdf (1 pages)

Specifications of ARM-USB-OCD

Positions/sockets

Description/function

RS-232 Virtual Port

Core Architecture

ARM

Ic Product Type

Debugger

Features

Fast Speed USB 2.0 JTAG Dongle Interface, Supports ARM Targets Working In Voltage Range 2V To 5V

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With/related Products

ARM Development Tools

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

1701506 25R4409

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Download datasheet (62Kb)

The base features are:

FT2232 signal assignments:

http://www.olimex.com/dev

based on FT2232L IC from Future Technology Devices International Ltd.

fast speed USB 2.0 JTAG dongle interface, can be used with any ARM devices for programming and debugging

(which are currently supported by openOCD).

the JTAG cable uses ARM's standard 2x10 pin JTAG connector

supports ARM targets working in voltage range 2.0 – 5.0 V DC

software supported by OpenOCD (open source) debugger

adds virtual RS232 port to your computer with all modem signals like: DTR, DSR, DCD, RTS, CTS, Rx, Tx

can be used as power supply to your target board with three jumper selectable power supplies: 5V 9V and 12VDC,

USB source current is limited with resetable fuse at 300mA, at the different output voltage the maximum current is

different: 5V/200mA, 9V/100mA, 12V/70mA, note that this also depend on your USB host current capabilities, if other

USB devices are attached to your computer or if the laptop is running on batteries these figures may be different and

depend on your computer USB host.

CD with Windows installer for full featured and open source tools as alternative to the commercial ARM

development packages:

JTAG signals

VREF – voltage follower input for the output buffers adjust JTAG signals

as per your target board voltage levels

ADBUS0

ADBUS2

ADBUS4

ADBUS6

ACBUS0

ACBUS2

GCC C

ARM-USB-OCD

hardware, RS232 virtual port and power supply adapter in one single

compact form. Many of the new laptop computers have no parallel nor serial

ports but only USB, with ARM-USB-OCD you can debug your ARM boards,

have full featured virtual RS232 port with all modem signals on it and the

power jack can provide three fixed value voltages 5V – 9V – 12V DC via

jumper selection.

-> TCK;

-> TDO;

-> 0 to enable JTAG buffers;

-> TSRST in;

-> TRST buffer enable

compiler,

-> TRST;

RS232 signals

BDBUS0

BDBUS1

BDBUS2

BDBUS3

BDBUS4

BDBUS5

BDBUS6

openOCD debugger

-> RS232 Tx

-> RS232 RTS

-> RS232 CTS

-> RS232 DTR

-> RS232 DCD

-> RS232 Rx

-> RS232 DSR

is unique device which combine JTAG debugging

ADBUS1

ADBUS3

ADBUS5

ADBUS7

ACBUS1

ACBUS3

and

Eclipse

Power supply jumpers:

the power supply jumpers are on

right side of the 2x10 pin JTAG

connector.

The inner pin of the power supply

jack is +

ARM-USB-OCD

-> TDI;

-> TMS;

-> 0 if target present;

-> RTCK;

-> TSRST;

-> RED LED;

IDE.

If both jumpers are open

the output voltage is

12VDC

If right jumper is closed

the output voltage is

9VDC

If left jumper is closed the

output voltage is

(this is the default setting)

rev 1.00/07-2006

5VDC

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