8.07.00 JTAG ISOLATOR Segger Microcontroller Systems, 8.07.00 JTAG ISOLATOR Datasheet

8.07.00 JTAG ISOLATOR

Manufacturer Part Number

8.07.00 JTAG ISOLATOR

Description

CONNECTOR JTAG-ARM ISOLATION

Manufacturer

Segger Microcontroller Systems

Datasheet

1.8.07.00_JTAG_ISOLATOR.pdf (4 pages)

Specifications of 8.07.00 JTAG ISOLATOR

Accessory Type

Isolator

For Use With/related Products

J-Link

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

899-1003

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Introduction

The J-Link JTAG Isolator can be connected between J-Link ARM and any ARM-

board that uses the standard 20-pin JTAG-ARM connector to provide electrical

isolation. This is essential when the development tools are not connected to

the same ground as the application. It is also useful to protect the

development tools from electrical spikes that often occur in some applications,

such as motor control applications.

A 20-pin flat cable (supplied with J-Link) is needed to connect the target.

Power supply

Both sides, target and emulator, are totally isolated and separately powered.

The target side draws power from pins 1 or 2, the emulator side draws power

from pin 19.

Figure 1.

Features

• 1kV DC isolation

• 3.3V and 5V target operation supported

• Powered from emulator and target

• JTAG standard 20-pin connection supporting TRST, TDI, TMS, TCK, RTCK,

• Power consumption on target side: < 50mA

• JTAG frequency: Up to 4MHz

• 3 LEDs to indicate emulator power, target power and target RESET

TDO and RESET signals

Target

Reset LED

Power LED

side

J-Link JTAG Isolator

UM08010-R3

User Manual

Power LED

Emulator

(J-Link)

Side

Related parts for 8.07.00 JTAG ISOLATOR

8.07.00 JTAG ISOLATOR Summary of contents

Page 1

Introduction The J-Link JTAG Isolator can be connected between J-Link ARM and any ARM- board that uses the standard 20-pin JTAG-ARM connector to provide electrical isolation. This is essential when the development tools are not connected to the same ground ...

Page 2

Connectors and indicators The Isolator uses high speed optocouplers that allow a very low propagation time between input and output. It comes with the following connectors and indicators: • 20-pin female EMULATOR connector which can be plugged directly into J- ...

Page 3

Connecting the Isolator to Target and Emulator Figure 3. Connecting the Isolator to Target and Emulator VCC VCC 1 2 nTRST GND 3 4 TDI GND 5 6 TMS GND 7 8 TCK GND 9 10 RTCK GND 11 12 ...

Page 4

Disclaimer Specifications written in this document are believed to be accurate, but are not guaranteed to be entirely free of error. The information in this manual is subject to change for functional or performance improvements without notice. Please make sure ...

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